United States
         Environmental Protection
         Agency
Office of Prevention, Pesticides
And Toxic Substances
(H-7508W)
EPA 738-R-93-018
September 1993
vvEPA  Reregistration
         Eligibility  Document
         (RED)
         BUTYLATE
                                     Printed on Recycled Paper

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                   UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

                                     WASHINGTON, D.C.  20460
                                             NOV261993
     OFFICE OF
PREVENTION, PESTICIDES
AND TOXIC SUBSTANCES
CERTIFIED MAIL
Dear Registrant:


       I am pleased to announce that the Environmental Protection Agency has completed its
reregistration eligibility review and decisions on the pesticide active ingredient butylate.
The enclosed Reregistration Eligibility Decision (RED) document contains the Agency's
evaluation of the data base of this chemical, its conclusions of the potential human health and
environmental risks of the current product uses, and its decisions and conditions under which
these uses and products will be eligible for reregistration. The RED includes the data and
labeling requirements for products for reregistration. It also includes requirements for
additional data (generic) on the active ingredient to confirm the risk assessments.


       To assist you with a proper response, read the enclosed document entitled "Pesticide
Reregistration Handbook."  This handbook also refers to other enclosed documents which
include further instructions.  You must follow all instructions and submit complete and
timely responses.  The first set of required responses are due  90 days from the date of
this letter.  The second set of required responses are due 8 months from the date of this
letter.  Complete and timely responses will avoid the Agency taking the enforcement action
of suspension against your products.
       If you have questions on the product specific data requirements or wish to meet with
 the Agency, please contact the Special Review and Reregistration Division

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                                          -2-

representative Franklin Gee at (703) 308-8008. Address any questions on required generic
data to the Special Review and Reregistration Division representative Judy Loranger at (703)-
308-8056.

                                                     Sincerely yours,
                                                     Daniel M. Barolo,
                                                     Special Review and
                                                      Reregistration Division
Enclosures

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                 United States
                 Environmental Protection
                 Agency
                       Office of Prevention, Pesticides
                       And Toxic Substances
                       (7508W)
EPA-738-F-93-014
September 1993
                 R.E.D.    FACTS
                 Butylate
     Pesticide       All pesticides sold or used in the United States must be registered by
Reregistration  EPA> based on scientific studies showing that they can be used without posing
                 unreasonable risks to people or the environment.  Because of advances in
                 scientific  knowledge, the law requires that pesticides which  were first
                 registered years ago be reregistered to ensure that they meet today's more
                 stringent standards.
                      In evaluating pesticides for reregistration, EPA obtains and reviews a
                 complete set of studies from pesticide producers, describing the human health
                 and environmental effects  of  each pesticide.   The Agency imposes any
                 regulatory controls that are needed  to effectively manage each pesticide's
                 risks.   EPA then reregisters  pesticides that can be used  without posing
                 unreasonable risks to human health or the environment.
                      When a pesticide is eligible for reregistration, EPA announces this and
                 explains why in a Reregistration Eligibility Decision (RED) document.  This
                 fact sheet summarizes the information in the RED for butylate.
    Use Profile
    Regulatory
        History
     Butylate is a selective herbicide registered solely for use on corn crops
including field com, sweet corn and popcorn, to control grassy and broadleaf
weeds  and  nutsedge.    Formulations include  emulsifiable concentrates,
granular and encapsulated forms.  Butylate is applied with ground equipment
and is incorporated into the soil immediately after application.

     Butylate was first registered as a pesticide in the U.S.  in 1967. EPA
issued a Data Call-In (DCI) Notice in 1981, and a Registration Standard in
September 1983 (NTIS PB85-147304),  which required additional product
chemistry, toxicology,  ecological effects  and environmental fate data.  The
Agency issued  a  second  DCI in October  1990,  requiring submission of
product chemistry,  ecotoxicity,  toxicology,  environmental fate,  residue
chemistry and exposure information.
     Currently, there  are 14 active registered products which contain the
active ingredient butylate.  Between 6 and 15 million pounds of butylate are
applied annually,  treating 2 to 7% of  the field corn grown in the  U.S.
Butylate is most commonly used in combination with the herbicides atrazine
and/or cyanazine.  Butylate/atrazine products are classified as Restricted Use
Pesticides due to ground water concerns.

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Human Health
  Assessment
 Toxicity
      Based on results of acute toxicity studies, butylate has been placed in
 Toxicity Category I for  primary eye irritation.   (Category I indicates the
 greatest and Category  IV the lowest degree of acute toxicity.)  It has been
 placed  in Category HI for acute oral and dermal toxicity, dermal irritation,
 and acute  inhalation  toxicity.    EPA  is requiring acute and   subchronic
 neurotoxicity studies for  butylate because it is chemically related to several
 pesticides which have shown neurotoxicity in long-term animal studies.
      A chronic toxicity study using rats showed decreased body weight gain
 and liver effects in high-dose males. A study with Beagle dogs showed de-
 creased body weight, increased platelet count, increased thyroid  weight and
 liver effects at high doses.
      Butylate does not appear to be carcinogenic in the mouse.   In a study
 using rats, a significant increase in benign lesions was found in the livers of
 males at the  highest dose tested.  The Agency has classified butylate as a
 "Group E" carcinogen  (evidence of non-carcinogenicity for humans).
      In developmental toxicity  studies, no teratogenicity was found in rats.
 Although maternal toxicity was  observed  at the  highest dose   level, no
 developmental effects were noted  at any  dose in  rabbits.  A reproductive
 toxicity study using rats showed kidney effects and  changes in blood, organ
 weights and liver cells at  the highest dose level.
      Butylate is not mutagenic.  Metabolism studies show that it is rapidly
 and completely metabolized and excreted,  does not bioaccumulate, and does
 not produce metabolites of toxicological concern.
 Dietary Exposure
      People may be exposed to butylate  residues when consuming  treated
 corn.   Tolerances  or maximum  residue limits of 0.1 ppm  have been
 established for butylate in or on corn grain (including popcorn),  fresh corn
 (including  sweet corn), and corn forage  and fodder (please see 40 CFR
 180.232).   The  Agency has reassessed these tolerances and  found that no
 changes are needed.
      Residues of butylate  do  not concentrate in processed  food or feed.
 Therefore, no food or feed additive tolerances have  been required. Since it
is metabolized rapidly, finite residues of butylate are not expected in  meat,
 milk, poultry or eggs.  There are no residues of concern to be regulated in
rotational crops.
      Plant metabolism studies indicate  that no residues of intact butylate are
 found in corn at harvest.  Storage stability studies show that residues  of
butylate in corn grain  stored frozen remain stable  for up to one year, but
decline by about 50% within 2 to 3 years.

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                         EPA conducted a chronic dietary exposure assessment for butylate using
                   a Reference Dose (RfD) of 0.05 mg/kg body weight/day, using tolerance-level
                   residues,  and assuming  100%  of the crop  was treated.   A  "worst case"
                   Theoretical Maximum Residue Concentration (TMRC) was estimated for the
                   overall  U.S.  population  and 22  subgroups.  The TMRC for the general
                   population was found to represent 0.1 %  of the RfD, and the TMRC for the
                   most highly exposed subgroups (non-nursing infants and children 1 to 6 years
                   old) represents 0.3% of the RfD for each subgroup.
                   Occupational and Residential  Exposure
                         There is potential for dermal and  inhalation exposure among workers
                   involved  in  mixer/loader/applicator  and  soil  incorporation  activities.
                   However, butylate  is  of  low toxicity so worker exposure studies are not
                   needed. Further, since butylate is incorporated into soil well before plants are
                   mature, post-application exposure is unlikely and reentry  data are not needed.
                   Human Risk Assessment
                         EPA has concluded that the human health risks from current, low-level
                   exposure to butylate are minimal due to  its low acute toxicity and because it
                   is not believed to cause cancer in humans.
Environmental
  Assessment
Environmental  Fate
     The available data indicate that butylate is highly volatile and degrades
moderately rapidly  under  aerobic  conditions.   Once in the atmosphere,
butylate may be transported in fogs, mists and rainwater.  Runoff to surface
water may follow rainfall.
     Based on  these properties, EPA has additional questions  regarding
runoff into surface water (do concentrations of butylate exceed the Levels of
Concern for fish?), persistence (would butylate residues remain at high levels
long enough to present a chronic risk to terrestrial animals ?), volatility (what
is the amount and nature of residues in air from volatilization of butylate as
a  result  of normal  agricultural use?), and  ground water (is  degradation
sufficiently rapid to  preclude leaching to ground water?).  The Agency is
requiring field dissipation  studies with volatilization measurements and aged
leaching data to  confirm it's assessment of butylate's environmental fate.
Ecological Effects
      Technical  butylate is practically nontoxic to birds,  highly toxic to
freshwater fish,  slightly  toxic  to  freshwater invertebrates and  relatively
nontoxic to honey bees.  Available  data indicate a potential for  chronic risk
to birds and mammals,  but butylate residues are not expected to persist long
enough to allow chronic exposure.   Runoff,  spray drift and volatility from
sprinkler application can be expected to reach plants in adjacent fields. Thus,
butylate may pose a  hazard to endangered or threatened species.

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                      Ecological Effects Risk Assessment
                           Based on available use and exposure information,  EPA calculated risk
                      quotients to assess the acute and chronic risks of butylate granular and spray
                      formulations to small mammals, birds and aquatic organisms.  When the risk
                      quotient is greater than the LOG, the species exposed may be at risk.
                           Regarding acute  exposure, LOG triggers  were exceeded  for  small
                      mammals and  birds.    However, based  on  mitigating factors  including
                      butylate's use patterns,  its low acute toxicity to birds, and the feeding habits
                      and preferences of small mammals,  the Agency has concluded that minimal
                      acute risks actually exist for nonendangered species.
                           LOG  chronic risk triggers also were exceeded for small  mammals and
                      birds,  but only immediately after application  of butylate granules.   The
                      Agency   concludes that  actual  chronic  risks  are  unlikely  based  on
                      environmental fate data and mitigating factors including butylate's volatility,
                      its use patterns (it is  soil incorporated  or watered  in immediately after
                      application), and the feeding habits of small mammals and birds, who would
                      not likely consume enough  granules per day required to reach the LEL over
                      an extended period.
                           Neither acute nor  chronic  risks to  aquatic organisms appear likely.
                      Acute risks to nontarget insects also are unlikely.  However, since butylate
                      is a herbicide, risks to nontarget plants are likely.
                      Endangered  Species
                           Potential  acute  risks  exist  for nontarget  endangered  mammals,
                      freshwater vertebrates and amphibians.  There also is a possibility of chronic
                      risks  to  endangered mammals and birds,  as well as risks for endangered
                      plants, which  may impact endangered insects.  EPA is working with the U.S.
                      Fish and Wildlife  Service to develop a program to avoid jeopardizing the
                      continued existence of identified species by the use of pesticides.  When this
                      program goes  into effect,  endangered  species labeling will be required.
Additional Data
        Required
      The generic data base for butylate is substantially complete. However,
for confirmatory purposes,  EPA is requiring additional  generic  studies
including product chemistry, storage stability, aged leaching, terrestrial field
dissipation  with volatilization  measurements,  seed  germination/seedling
emergence,  vegetative vigor, aquatic plant growth, droplet size, spray drift
and acute and subchronic neurotoxicity.
      EPA also is requiring product-specific data, including product chemistry
and acute  toxicity  studies,  as well as revised  Confidential Statements of
Formula and revised  labeling  for  reregistration  of pesticide  products
containing butylate.

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  Product  Labeling         All end-use butylate products must comply with EPA's current pesticide
Changes Required   product labeling requirements. In addition:
                        • Effluent Discharge Statement
                              All end-use or manufacturing-use products that may be contained in an
                        effluent discharged to the waters of the U.S. or municipal sewer systems must
                        bear the following effluent discharge labeling statement,  modified to include
                        a fish toxicity statement:
                              This pesticide is toxic to fish.  Do not discharge effluent containing this
                              product into lakes, streams, ponds,  estuaries, oceans or other waters
                              unless  in  accordance  -with the requirements of a National Pollution
                              Discharge Elimination System  (NPDES)  permit and  the  permitting
                              authority  has  been notified  in writing prior to discharge.  Do not
                              discharge  effluent  containing this product  to  sewer systems without
                              previously notifying the local sewage treatment plant authority.  For
                              guidance contact your State Water Board or Regional Office of EPA.
                         • Worker Protection Standard (WPS) Requirements
                              Any  product whose labeling  permits use in  the production  of an
                        agricultural plant on any agricultural establishment (form, forest,  nursery or
                        greenhouse)  must, within the deadlines specified, comply with the labeling
                        requirements of:
                              •  PR Notice 93-7,   "Labeling Revisions Required by the Worker
                              Protection Standard (WPS)," and
                              •  PR  Notice 93-11, "Supplemental Guidance for PR Notice 93-7."
                        Unless specifically directed in the RED document, all statements required by
                         these two PR Notices must  appear on product labeling exactly as instructed
                         in the PR Notices.
                              Labels must be revised to comply with the WPS requirements —
                              •  After April 21, 1994, for products distributed or sold by the primary
                              registrant or any supplementally registered distributors, and
                              •  After  October  23,  1995, for products distributed or sold by any
                              person.
                         •  Restricted Use Pesticides
                              The  2 registered butylate/atrazine combination products, classified as
                              Restricted Use Pesticides  due to ground water concerns, must retain
                              current label precautions regarding toxicity and protection of ground and
                              surface water.
                          •  Personal Protective Equipment (PPE)
                              The following PPE labeling is required for all end-use products:
                                    Applicators and other handlers must wear:
                                    - Long-sleeved shirt and long pants
                                    - Chemical-resistant or waterproof gloves

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                            -  Shoes plus socks
                      Registrants must compare these PPE requirements with those on current
                      labeling (if any), and retain the more protective.  For guidance, please
                      see Supplement Three of PR Notice 93-7.
                 •  Entry Restrictions
                      A 12-hour restricted entry interval (REI) is required for all uses on all
                      butylate end-use product labels.  This REI should be inserted into the
                      standard REI statement required by PR Notice 93-7.
                      The PPE  for early entry should  be that required for applicators (see
                      above),  except:
                      •  No apron or respirator (if on the label) is required, and
                      •   "Coveralls"  must be specified instead of "long-sleeved  shirt and
                      pants."
                      This information should be inserted into the standard early entry PPE
                      statement required by PR Notice 93-7.
                      °  Sole Active Ingredient Products - Registrants must adopt these entry
                      restrictions, and remove any conflicting entry restrictions from their
                      labels.
                      ° Multiple Active Ingredient Products - Registrants must compare these
                      entry  restrictions with those on current labeling, and retain  the more
                      protective.
                 •  Protection of Aquatic Organisms
                      The Environmental Hazard Section  of the label must include  the
                 following statements:
                      ° For Granular End-Use Products:
                      This pesticide is toxic to fish.  Do not apply directly to water, or to
                      areas  where surface water is present or to intertidal areas below the
                      mean  high-water mark.  Runoff may be hazardous to aquatic organisms
                      in neighboring areas.   Do not contaminate water when disposing of
                      equipment washwater or rinsate.
                      0 For Non-Granular End-Use Products:
                      This pesticide is toxic to fish.  Do not apply directly to water, or to
                      areas  where surface water is present or to intertidal areas below the
                      mean  high-water mark.   Drift and runoff may be hazardous to aquatic
                      organisms  in neighboring areas.   Do not contaminate water when
                      disposing of equipment washwater or rinsate.
Regulatory         The use of currently registered pesticide products containing butylate as
Conclusion   labeled and specified in the RED document will not pose unreasonable risks
                or adverse effects to humans or the environment.  Therefore, all uses of these
                products are eligible for reregistration.

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   For  More
Information
     Products containing butylate  as the sole active  ingredient may be
reregistered once the generic and product-specific data, revised Confidential
Statements of Formula and revised labeling  are received and accepted by
EPA.
     Products also  containing other active ingredients may be reregistered
only when the other  active ingredients are  determined to  be eligible for
reregistration.

     EPA is requesting public comments on the Reregistration Eligibility
Decision (RED) document  for  butylate during a 60-day  time  period, as
announced in a Notice of Availability  published in the Federal Register.  To
obtain a copy of the RED document or to submit written comments, please
contact  the  Pesticide  Docket, Public  Response  and Program Resources
Branch, Field Operations Division (7506C), Oflice of Pesticide Programs
(OPP), US EPA, Washington, DC 20460, telephone 703-305-5805.
     Following the comment period, the butylate RED document will be
available from the National Technical Information Service (NTIS), 5285 Port
Royal Road,  Springfield, VA 22161, telephone 703-487-4650.
     For more information  about EPA's pesticide reregistration program, the
butylate RED, or reregistration  of individual products containing butylate,
please contact the Special Review and Reregistration Division (7508W), OPP,
US EPA, Washington,  DC 20460, telephone 703-308-8000.
     For information  about the health effects of pesticides, or for assistance
in recognizing and managing pesticide poisoning symptoms, please contact the
National Pesticides Telecommunications Network (NPTN).   Call toll-free 1-
800-858-7378, between 8:00 am and 6:00 pm Central Time, Monday through
Friday.

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REREGISTRATION ELIGIBILITY DECISION DOCUMENT

                         BUTYLATE

                           LIST A

                         CASE 0071
                   ENVBRONMENTAL-EROTEClTON-AGENrCY
                     OETICE-OF-PESTICIDE-PROGRAMS
                SPECIAL-KEVIEW-AND-KEREGISTRATION-DIVISION

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                          TABLE OF CONTENTS
BUTYLATE REREGISTRATION ELIGIBILITY TEAM	   i

GLOSSARY OF TERMS AND ABBREVIATIONS 	ii

EXECUTIVE SUMMARY	  iv

I.     INTRODUCTION	   1

n.    CASE OVERVIEW	   2
      A.    Chemical Overview	   2
      B.    Use Profile	   2
      C.    Estimated Usage of Pesticide	   3
      D.    Data Requirements	   4
      E.    Regulatory History	   4

m.   SCIENCE ASSESSMENT	   5
      A.    Physical Chemistry Assessment    	   5
      B.    Human Health Assessment	   6
            1.    Toxicology Assessment  	   6
                  a.    Acute Toxicity	   7
                  b.    Subchronic Toxicity	   8
                  c.    Chronic toxicity	   8
                  d.    Carcmogenicity  	   9
                  e.    Developmental Toxicity  	   9
                  f.    Reproductive Toxicity	  10
                  g.    Mutagenicity	  10
                  h.    Metabolism	  11
                  i.    Reference Dose	  11
            2.    Exposure Assessment	  11
                  a.    Dietary  	  11
                  b.    Occupational and Residential	  14
            3.    Human Risk Assessment	  14
                  a.    Dietary	  14
                  b.    Occupational and Residential	  15
      C.    Environmental Assessment	  15
            1.    Environmental Fate	  15
                  a.    Environmental Chemistry, Fate and Transport	  15
                  b.    Environmental Fate Assessment	  18
            2.    Ecological Effects  	  21
                  a.    Ecological Effects Data	  22
                        (1)    Terrestrial Data	  22
                        (2)    Aquatic Organism Data	  23

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                         (3)    Non-Target Insects Data  	  26
                         (4)    Non-Target Plants Data	  26
                  b.     Ecological Effects Risk Assessment	  26



IV.   RISK MANAGEMENT AND REREGISTRATION DECISION	  37
      A.    Determination of Eligibility	  37
            1.    Eligibility Decision	  38
            2.    Eligible and Ineligible Uses  	  38
      B.    Regulatory Position	  38
            1.    Tolerance Reassessment	  38
            2.    Labeling Rationale	  39
            3.    Endangered Species Statement	  40

V.    ACTIONS REQUIRED BY REGISTRANTS	  40
      A.    Manufacturing-Use Products	  40
            1.    Additional Generic Data Requirements	  40
            2.    Labeling Requirements for Manufacturing-Use Products	  41
      B.    End-Use Products	  41
            1.    Additional Product-Specific Data Requirements 	  41
            2.    Labeling Requirements for End-Use Products	  42

VI.   APPENDICES

      Appendix A - Use Patterns Subject to Reregistration

      Appendix B - Table  of the Generic Data Requirements and Studies Used to Make the
      Reregistration Decision

      Appendix  C -  Citations  Considered  to  be Part  of the  Data Base Supporting the
      Reregistration of Butylate

      Appendix D - List of Available Related Documents

      Appendix E - Pesticide Reregistration Handbook

      Appendix F - Generic Data Call-in
             Attachment A -
             Attachment B -
             Attachment C -

             Attachment D -
             Attachment E -
             Attachment F -
Chemical Status Sheet
Generic DCI Response Forms (Form A) plus Instructions
Requirements Status  and  Registrants' Response Forms
(Form B) plus Instructions
List of all Registrant(s) sent this DCI
EPA Acceptance Criteria
Cost Share/Data Compensation Forms

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Appendix G - Product Specific Data Call-in
       Attachment A -
       Attachment B -

       Attachment C -

       Attachment D -

       Attachment E -
       Attachment F -
       Attachment G -
Chemical Status Sheet
Product Specific DCI Response Forms (Form A) plus
Instructions
Requirements Status  and Registrants'  Response Forms
(Form B) plus Instructions
EPA Grouping of End Use Products for meeting Acute
Toxicology Data Requirements.
EPA Acceptance Criteria
List of all Registrant(s) sent this DCI
Cost Share/Data Compensation Forms
                                   4

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BUTYLATE REREGISTRATION ELIGIBILITY TEAM

Office of Pesticide Programs:

Biological-and-Economic-Analysis-Division
Stephen Jarboe
James Saulmon
Arthur Grube

Environmental-Fate-and-Effects-Division

Arnet Jones
Curtis Laird
Bernice Slutsky

Health-Effects-Division

Jeffrey Evans
Robert Zendzian
Charles Prick
Paula Deschamp

Registration-Division

Karen Hicks
Van Seabaugh
Sami Malak

Special Review and Reregistration Division

Judy Loranger
Carol Stangel

Policy and Special Projects Staff
Biological Analysis Branch
Biological Analysis Branch
Economic Analysis Branch
Environmental Fate and Groundwater Branch
Ecological Effects Branch
Science Analysis and Coordination Staff
Occupational and Residential Exposure Branch
Toxicology Branch I
Chemical Coordination Branch
Reregistration Support Chemistry Branch
Fungicide-Herbicide Branch
Registration Support Branch
Registration Support Branch
Reregistration Branch
Policy Planning and Operations Branch
 Jean Frane

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                  GLOSSARY OF TERMS AND ABBREVIATIONS

a.i.          Active Ingredient

CAS         Chemical Abstracts Service

CSF         Confidential Statement of Formula

EEC         Estimated Environmental Concentration.  The estimated pesticide concentration
             in an environment, such as a terrestrial ecosystem.

EP          End-Use Product

EPA         U.S. Environmental Protection Agency

FIFRA       Federal Insecticide, Fungicide, and Rodenticide Act

FFDCA      Federal Food, Drug, and Cosmetic Act

GLC         Gas liquid chromatography

HDT         Highest Dose Tested

K+CWHR   Kernel plus cob with husk removed

LC50         An experimentally derived estimate of the median lethal concentration.  The
             median lethal concentration is that concentration of a chemical in the inspired air
             which, when respired will kill 50% of the sampled population. It is expressed
             as the mass of a substance per unit volume of air.

LD50         An experimentally derived estimate of the median lethal dose.  The median lethal
             dose is that mass of a chemical which, when administered by any route, will kill
             50% of the sampled population.  It is expressed as mass of a substance per unit
             mass of the animal.

LDIO         Lethal Dose-low. The lowest dose at which lethality has been observed, either
             experimentally or following accidental exposure.

LEL         Lowest Effect Level

LOG         Level of concern

LOEL        Lowest Observed Effect Level
                                        11

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              GLOSSARY OF TERMS AND ABBREVIATIONS (cont.)

MATC      Maximum Allowable Toxic Concentration

MP         Manufacturing-Use Product

MPI        Maximum Permissible Intake

MRID      Master Record Identification (number). EPA's system of recording and tracking
            studies submitted.

N/A        Not Applicable

NPDES     National Pollutant Discharge Elimination System

NOEL      No Observed Effect Level

OPP        Office of Pesticide Programs

PADI      Provisional Acceptable Daily Intake

PAM       Pesticide Analytical Manual

PPE        Personal Protective Equipment

ppm         Parts Per Million

REI         Restricted Entry Interval

RfD         Reference Dose

RS          Registration Standard

TD          Toxic Dose. The dose at which a substance produces a toxic effect.

TC          Toxic Concentration. The concentration at which a substance produces a toxic
             effect.

TGAI       Technical Grade of the Active Ingredient

TMRC      Theoretical Maximum Residue Contribution

TEP         Typical End-Use Product

                                        iii

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EXECUTIVE SUMMARY

       This Reregistration Eligibility Decision document (RED) addresses the reregistration
eligibility of the pesticide butylate. Butylate is a soil incorporated herbicide produced by Zeneca
Inc. and is registered for use on field corn, sweet corn and popcorn to control grass, broadleaf
weeds and nutsedge. Butylate formulations include emulsifiable concentrates, a granular form,
and a microencapsulated form. Butylate is applied with ground equipment and is incorporated
into the soil immediately after application.  In certain geographic areas, butylate is registered for
application into center pivot irrigation systems, injection into the soil before or at planting, fall
application before the ground  freezes, or  soil application and incorporation between the rows
after corn emergence.   Butylate  is cleared for use with  compatible fluid fertilizers and  for
impregnation on certain dry bulk  fertilizer formulations.

       Butylate was initially  registered as a pesticide in  1967  by the Stauffer Chemical
Company. A Registration Standard was issued in  September 1983 (NTIS PB85-147304). This
Registration Standard summarized the available data supporting the reregistration of products
containing butylate used for control  of grassy and broadleaf weeds and nutsedge prior to
emergence, and with preplant, at-planting, and  postplanting applications.  The Registration
Standard  also  required  additional  product  chemistry, toxicology,  ecological effects  and
environmental fate data.   An October 24,  1990 Data Call-in  Notice (DCI) required the
submission of product chemistry, ecotoxicity, toxicology, environmental fate, residue chemistry
and exposure information. The Agency has now completed its review of the butylate data base
including the data submitted in response to the 1983 Registration Standard and the  1990 DCI.

       The Agency has determined that the uses of butylate as currently registered will not cause
unreasonable risk to humans or the environment and these uses are eligible for reregistration.
However, for confirmatory purposes, the  Agency is requiring that additional generic data be
submitted.  These data include product  chemistry, storage stability for crop field trials, aged
leaching and terrestrial  field dissipation studies with volatilization measurements.  The Agency
is also requiring that other generic data be submitted.  These data, which include acute and
subchronic neurotoxicity, seed germination/seedling emergence, vegetative vigor, aquatic plant
growth and droplet size and spray  drift, are not part of the target database for the reregistration
of butylate.

       Based on the results of its reregistration review,  the EPA has concluded that all registered
uses of butylate are eligible for reregistration.  The Agency has classified butylate as a  Group
E carcinogen (signifies  evidence of non-carcinogenicity in humans).  A reference dose of 0.05
mg/kg/day has been established based on a NOEL of 5 mg/kg/day, with an uncertainty factor
of 100, for increased liver weights in male dogs in a long-term feeding study. The dietary risk
assessment is based on a worst-case scenario,  assuming treatment of 100% of acreage and
highest legal residue values which  result in an overestimation of exposure and risk.  Even using
these values, dietary exposure is estimated  to be minimal.  There are tolerances established for
corn grain (including popcorn), fresh corn (including  sweet corn) and corn forage  and  fodder
(including sweet corn, field corn, and popcorn). A reassessment of tolerances is included in this
                                           IV

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document and there are no changes in the previously established tolerances. The Agency has
concluded that human health risks from exposure to butylate are minimal due to its low acute
toxicity and current classification as non-carcinogenic to humans. Available data indicate that
technical butylate is practically nontoxic to birds, highly toxic to freshwater fish, slightly toxic
to freshwater invertebrates and relatively nontoxic to honey bees.

       Before reregistering the products containing butylate, the Agency is requiring that product
specific data, revised Confidential Statements of  Formula  (CSF)  and revised labeling be
submitted within eight months of the issuance of this  document. These data include product
chemistry for each registration and acute toxicity testing. After reviewing these data and any
revised labels and finding them acceptable, the Agency may  reregister a product  based on
whether or not it meets the requirements in Section 3(c)(5) of FIFRA.  Those products which
contain other active ingredients may be eligible  for reregistration only  when the other active
ingredients are determined to be eligible for reregistration.

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I.
INTRODUCTION
       In 1988, the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) was amended
to accelerate the reregistration of products with active ingredients registered prior to November
1, 1984. The amended Act provides a schedule for the reregistration process to be completed
in nine years.  There are five phases to the reregistration process.  The first four phases of the
process focus on identification  of data requirements to support the reregistration of an active
ingredient and the generation and submission of data to fulfill the requirements.  The fifth phase
is a review by the U.S. Environmental Protection Agency (referred to as "the Agency") of all
data submitted to support reregistration.

       FIFRA Section 4(g)(2)(A) states that in  Phase 5 "the Administrator shall determine
whether pesticides containing such active ingredient are eligible for reregistration" before calling
in data on products and either reregistering products or taking "other appropriate regulatory
action." Thus, reregistration involves a thorough review of the scientific data base underlying
a pesticide's registration.  The purpose of the Agency's  review is  to  reassess  the potential
hazards arising from the currently registered uses of the pesticide; to determine the need for
additional data on health and environmental effects; and to determine whether the pesticide meets
the "no unreasonable adverse effects" criterion of FIFRA.

       This document presents the Agency's decision regarding the reregistration eligibility  of
the registered uses of butylate.   The document consists  of six  sections.  Section I is the
introduction. Section II describes butylate, its uses, data requirements and  regulatory history.
Section m discusses the human health and environmental assessment based on the data available
to the Agency.  Section IV presents the reregistration decision for butylate. Section V discusses
the reregistration requirements for butylate.  Finally, Section VI is the Appendices which support
this  Reregistration Eligibility Decision. Additional details concerning the Agency's review  of
applicable data are available on request.1
       EPA's reviews of data on the set of registered uses considered for EPA's analysis may be
       obtained from the OPP Public Docket, Field Operations Division (H7506C), Office of Pesticide
       Programs, EPA, Washington, DC 20460.

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H.     CASE OVERVIEW

       A.    Chemical Overview

             The  following active ingredient is  covered by  this Reregistration Eligibility
       Decision:

       •     Common Name:          butylate

       •     Chemical Name:          S-ethyl  diisobutylthiocarbamate

       •     CAS Registry Number:    2008-41-5

       •     OPP Chemical Code:      041405
      B.
Empirical Formula:        C

Trade and Other Names:   Sutan +, R-1910, Gennate Plus, Sutazine +

Basic Manufacturer:       Zeneca, Inc.

Use Profile
             The following is information on the current registered uses of butylate with an
       overview of use sites and application  methods.  A detailed table of these uses can be
       found in Appendix A.

             Type of Pesticide:

             A soil-incorporated herbicide

             Mechanism of action:

             Inhibits growth in the meristematic region  of leaves of grass  by unknown
             mechanism

             Use Groups/sites:

                    Terrestrial  food  and feed crop:  field corn,  popcorn,  sweet corn,
                    forage/silage

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       Target Pests:

             Barnyardgrass; crabgrass; giant, green, and yellow foxtail; goosegrass;
             seedling johnsongrass; and nutsedge

       Formulation Types Registered:

             Emulsifiable concentrate (89.6%,  88.2%, 85.1%, 78.0%,
                    (77.3%, 74.2% butylate formulations)

             Granular (10% butylate formulation)

             Microencapsulated (48.2% butylate formulation)

             Technical grade (97.0% technical butylate formulation)

             Emulsifiable concentrate combination product of butylate and atrazine
             (56.8% butylate), atrazine is suspended in a butylate EC

             Granular combination product of butylate and atrazine (18% butylate)

       Method and Rates of Application:

       Type of Application - ground (broadcast  or band)

       Equipment - boom sprayer, soil injection equipment, center pivot irrigation, and
             granule application

       Rates - Butylate is applied as a preemergent, preplant, at plant, postplant or fall
             application at the following maximum active ingredient rates to  corn,
             popcorn and sweet corn:

                    Emulsifiable concentrate- applied at  6.30 Ibs ai/A
                    Granular- applied at 4.08 Ibs ai/A
                    Microencapsulated- applied at 5.994 Ibs ai/A

C.     Estimated Usage of Pesticide

       Between 6 to 15 million pounds of butylate are applied annually, treating 2 to 7%
of the field corn grown in the United States.  No more than 200,000 pounds of butylate
is applied to sweet com.  Butylate is applied to less than 13 % of sweet corn acreage.
Data are  unavailable for popcorn.  These estimates are derived from a variety  of
published and proprietary sources available to the Agency.

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D.     Data Requirements

       Data requested in the September 1983 Registration Standard for butylate
included studies  on  product chemistry,  toxicology,  ecological effects  and
environmental fate.  These data were required to support the uses listed in the
Registration Standard.   The  1990 DCI  required  the  submission of product
chemistry,  ecotoxicity, toxicology,  environmental fate, residue chemistry, and
exposure data. Appendix B  includes  all data requirements identified by the
Agency for currently registered uses needed to support reregistration.

E.     Regulatory History

       Butylate was initially  registered by the Stauffer Chemical Company in
1967.  Butylate is a selective herbicide registered solely for use on corn (field,
sweet, and popcorn) for control of grassy and broadleaf weeds and  nutsedge.
Butylate is most commonly used in combination with atrazine and/or cyanazine.
Butylate formulations include granular forms, emulsifiable concentrates and an
encapsulated form.  The wettable powder formulation and one of the two granular
formulations are  sold as package  mixes with atrazine.   Registered products
containing butylate as the sole active ingredient are not classified as restricted use
at this time.  The butylate-atrazine products are currently classified as restricted
use due to  groundwater concerns.

       Butylate is applied with ground equipment and is incorporated into the soil
immediately after application. In certain geographic areas, butylate is  registered
for application into center pivot irrigation systems, injection into the soil before
or at planting, fall application before the ground freezes, or soil application and
incorporation between the rows after corn emergence.  Butylate is cleared for use
with  compatible  fluid fertilizers,  and  for impregnation on certain  dry  bulk
fertilizer formulations.

       Data Call-in (DCI) notices  were issued  in  1981 for butylate requiring
chronic feeding,  oncogenicity,  reproduction  and teratology studies.   A Reg-
istration Standard for butylate was issued on September 30, 1983 (NTTS #PB85-
147304) which evaluated the studies submitted as a result of the 1981 DCIs. This
Reregistration Eligibility Decision reflects a reassessment of all data which were
submitted in response to the Registration Standard and 1990 Data Call-in.

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       SCIENCE ASSESSMENT
       A.    Physical Chemistry Assessment
Color:

Physical State:

Odor:

Boiling Point:

Density:

Solubility:

Vapor Pressure:

Octanol/Water
Partition Coefficient

pH:

Stability:
Pale yellow

Liquid

Rubbery sweet

107-109°C at 5 mm Hg

0.9397 g/ml at 20°C

4.4 X 10'3 g/ml of water at 20°C; miscible with organic solvents

12.9 urn Hg at 25°C., 6.8 /*m Hg at 20°C

1.4 x 104 at 25°C


5.5 at 22°C

Stable at elevated temperatures (53 °C) for two weeks. Stable to sunlight,
to moisture, metals and metal ions
Oxidizing/reducing   Reacted with oxidizing agent but not reducing agent
Action:
Flammability:

Explodability:
Did not flash at 106 °C

Not thermally explodable up to 250°C
Storage Stability:    Stable at ambient temperature for 2 years
Viscosity:

Corrosion
Characteristics:
4.81 centistokes at 25°C
Noncorrosive to stainless steel, carbon steel, borosilicate glass, soft glass,
and aluminum

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        The Agency has evaluated the product chemistry data base and has concluded that
available preliminary  analysis data are not fully acceptable and additional data must  be
submitted.   Although this preliminary analysis data gap exists,  the Agency considers the
requirement of this study as confirmatory and not critical to the reregistration eligibility decision.
The data requirements and the data gaps are given  in Appendix B.
       B.
Human Health Assessment
              1.     Toxicology Assessment
              At the time of the Registration Standard the following studies were required:
                     Acute inhalation (rat) study
                     90 day non-rodent feeding study
                     Chronic non-rodent toxicity study
                     Rat and mouse oncogenicity studies
                     Rat and rabbit developmental toxicity studies
                     2-Generation reproduction study
                     Gene mutation study
                     Chromosomal aberration study
                     Other genotoxic effects study
                     General metabolism study
                     A Data Call-in notice dated 10/24/90 required the submission of a dermal
              sensitization  study,  an  acute  inhalation study  and  a  90  day  mammalian
              neurotoxicity study.   The Agency  has reviewed the registrant's data waiver
              request for the 90 day mammalian  neurotoxicity study and concludes that this
              study and  an acute  neurotoxicity  study are still  required.  However,  these
              requirements are not part of the target database for butylate and do not affect the
              reregistration eligibility  decision. These studies  are required to  support the
              continued registration of butylate products. The data requirements and data gaps
              are given in Appendix B. Summaries of available studies are provided below.

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                    a.     Acute Toxicity
                    The table below summarizes the toxicity results and categories for technical
              grade butylate.
TEST
Acute Oral LDX (1)
Acute Dermal LD^ (1)
Acute Inhalation LC^, (2)
RESULTS
Males > 3500 mg/kg
females > 4000 mg/kg
LDjo > 2000 mg/kg
LCjo = 2.85 mg/L
TQX CATEGORY
m
m
m
       1. MRIDs 00063486, 00149316
       2. MRID 42389401
                    The following table is  derived from manufacturing  use product data
considered toxicologically similar to butylate technical and is for informational purposes only.
TEST , , ,, , '
Primary Eye Irritation (1)
Primary Dermal Irritation
(2)
Dermal Sensitization (3)
RESULTS
Corneal opacity noted after 21 days
erythema and edema after 24 hours, still
present after 72 hours
Skin sensitizer
TOX CATEGORY
I
m
Not applicable
       1. MRID 00063487
       2. MRIDs 00063487, 00149316
       3. MRID 42123903
       Acute Neurotoxicity
                    An  Acute  Neurotoxicity Special  Study  (Guideline  81-8)  is  a new
              requirement.  This study  is needed, because butylate is chemically related to
              several thiocarbamate pesticides which have shown neurotoxicity in long-term
              repeated dose studies in rats and/or dogs.  The lack of evidence of neurotoxicity
              in a chronic rat study of butylate at 400 mg/kg/day does not provide sufficient
              evidence that butylate may not be neurotoxic.   This study is not part of the
              butylate target database.

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              b.     Subchronic Toxicity

90 Day Feeding-Rodent

              Two rat feedings  studies  were reviewed  and deemed unacceptable.
       However,  a 2-year rat feeding study described below satisfies this requirement.

 90-Day Feeding  - Nonrodent

              A 13 week dog feeding study was reviewed and found to be unacceptable
       because of procedural deficiencies.  However, an acceptable 1-year dog study
       described below satisfies this requirement.

21-Day Dermal

              Technical butylate was applied five days/week to normal and abraded skin
       sites of New Zealand white rabbits as a ten percent solution (20 mg/kg ai) and a
       20 percent solution (40 mg/kg ai)  .  Treated areas showed erythema, dryness,
       fissuring, and sloughing. Congestion was reported in kidneys and lungs of treated
       animals, but no supportive histopathology for these observations was found by
       the investigators.  (MRID 00026312)

Subchronic Neurotoxicity  (Mammalian)
                                                       f
              A waiver request for this requirement was  denied, because butylate is
       chemically related to  several  thiocarbamate  pesticides  that have  shown
       neurotoxicity in long-term repeated dose studies in rats and/or dogs.

              c.     Chronic toxicity

Chronic Rodent

              An acceptable rodent study is available in the rat.  Sprague-Dawley rats
       ingested butylate technical at levels of 50,  100,  200,  or 400 mg/kg/day for 24
       months.  The systemic no-effect level was  determined to be the  lowest dose
       tested, 50 mg/kg/day, based on decreased  body weight gain at the next higher
       dose,  100 mg/kg/day, and above.  In addition, increased incidence of periportal
       hepatocellular hypertrophy was recorded in high-dose (400 mg/kg/day) males.
       (MRID 00125678)

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Chronic Nonrodent
              An acceptable nonrodent study is available in the dog. Beagle dogs were
       given gelatin capsules containing 0, 5, 25, or 100 mg/kg butylate daily for 12
       months.  A  systemic no-effect level was determined to be 5 mg/kg/day, based
       on increased relative liver weight in males treated at the next higher dose, 25
       mg/kg/day.  In addition, high-dose (100 mg/kg/day) males and females showed
       decreased body weight,  increased platelet count, increased alkaline phosphatase
       activity,  and increased  thyroid/parathyroid weight;  hepatocellular   vacuo-
       lization/vesiculation was also recorded in two males at this dose.        (MRID
       40389101)

              d.    Carcinogenicity

              The carcinogenicity data requirement for studies in two species is satisfied
       by adequate studies in the mouse (MRID 00035844) and rat (MRID 00125678).

              In the first study, CD-I mice were fed butylate (in corn oil) for 24 months
       at levels providing daily intakes of 0, 20, 80, or 320 mg/kg/day.  Although dose-
       related non-neoplastic changes were found in livers and kidneys at 80 and 320
       mg/kg/day,  no increase in neoplastic lesions was recorded at any dose in either
       sex.    Butylate does  not appear to be carcinogenic in  the  mouse.  (MRID
       00035844)

              The second study was a combined chronic toxicity/carcinogenicity study
       in Sprague-Dawley CD  rats fed butylate at levels up to equivalent intakes of 400
       mg/kg/day.   In addition to periportal hypertrophy,  a  significant  increase in
       neoplastic nodules (benign lesions) was  found in the livers of males at the highest
       dose tested,  400 mg/kg/day. (MRID 00125678)
              The carcinogenicity of butylate was evaluated on 10/15/92 by the OPP
       Peer Review Committee which classified butylate as Group E -  evidence of
       noncarcinogenicity for humans.

              e.     Developmental Toxicity

              Developmental toxicity data requirements,  listed as data gaps in the 1983
       Registration  Standard,  have since been satisfied by adequate studies in rats
       (MRID 00131032) and rabbits (MRID 40389102).

              Butylate technical, administered orally by gavage to Sprague-Dawley (CD)
       rats at doses of 0, 40, 400, or 1000 mg/kg/day caused decreased body weight
       gain and increased relative liver weight in dams.   Decreased fetal body weight

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and increased skeletal  effects were found at 400 mg/kg/day  and above, but
increased resorptions only at the highest dose tested. No teratogenicity was found
at any dose.  The maternal and fetotoxic no observed effect level (NOEL) was
determined to be the 40 mg/kg and the embryotoxic NOEL, 400 mg/kg.

       In the rabbit study, butylate was administered at oral doses of 0, 10, 100,
or 500 mg/kg/day. Maternal toxicity (decreased body weight gain and increased
ovarian weight) was observed only at the highest dose tested (hence the maternal
NOEL was  set at  100  mg/kg), but no developmental effects were noted at any
dose.

       f.     Reproductive Toxicity

       The data requirement for a reproduction study  with butylate has been
satisfied with an adequate two-generation study in rats fed butylate technical at
levels of 0, 200, 1000 or 4000 ppm (MRID 00160548).

       Decreased food consumption in parental males and decreased body weight
in parental females during gestation and lactation were observed at 1000 ppm (50
mg/kg/day), while decreased body weight in F2a (second generation) pups and
decreased absolute brain weight in Fjb (first generation) male weanlings were
noted at the same level.

       Increased incidences of dilated renal pelvis and retinal folds were observed
in the Fjb  animals but only at 4000 ppm (200 mg/kg/day).   Other treatment
related systemic and reproductive effects were noted at  the highest dose tested,
including  hematological  and organ  weight changes,   as  well as increased
hepatocyte vacuolization.  The maternal and  developmental NOELs were found
to be 200 ppm and 1000 ppm, respectively.

       g.     Mutagenicity

       Acceptable studies are available which report that technical butylate does
not induce  gene mutations in Ames testing in bacteria  (MRIDs 00149317 and
00162707)  or hi mouse lymphoma cell (MRID 00162707),  even at  doses
producing  severe  toxicity.   The  same  preparation  was also negative for
chromosome damage in mouse lymphoma L5178Y cells (MRID 00162709), as
well as negative for DNA repair in yeast cells (MRID  00149317) and mouse
lymphoma  cells (MRID 00162709), and negative for transforming capacity in
BALB/3T3 cells (MRID 00162710).
                            10

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             h.
Metabolism
             A total of five reports on the metabolism of butylate in rats have been
      submitted.    Together,  the  reported  studies  satisfy  the  metabolism  data
      requirements for butylate.  They indicate that butylate is rapidly and completely
      metabolized and excreted. No evidence of bioaccumulation was observed and no
      metabolites  of toxicological  concern were identified.  (MRIDs 43680,  43681,
      43682, 00250645 and 41037301)
             i.
                    Reference Dose
             A RfD of 0.05 mg/kg/day has been established for butylate based on a
      NOEL of 5 mg/kg/day for increased liver weights  observed in males at 25
      mg/kg/day in a long-term feeding study in dogs and an uncertainty factor of 100.
      An ADI (Acceptable Daily Intake) has not been established by the World Health
      Organization.

      2.     Exposure Assessment

             a.     Dietary

             At the time of the Registration Standard, only field and confined rotational
      crop  studies were required.  The 10/24/90 Data Call-in notice required the
      submission of the following studies on corn, the only  registered crop:

             Residue analytical method in plants
             Storage stability
             Magnitude of the residue in processed foods
             Confined rotational crop

             The residue chemistry data base for butylate is substantially complete with
      the exception of  storage stability data that must still be submitted. The storage
      stability data are  considered confirmatory.   The Agency has concluded that this
      requirement is not critical  to the reregistration eligibility decision.  The data
      requirements and data gaps are shown in Appendix B.  Summaries of available
      studies are provided below:
Plant Metabolism
             The parent compound butylate is the residue of concern.  Studies with
       corn seedlings conducted under hydroponic conditions and corn  grown under
       simulated field conditions indicate that butylate is rapidly absorbed from soil by
       the  roots,  translocated to shoots, and metabolized via oxidation  to sulfoxides
       followed by transfer of the dialkycarbanioyl moiety to glutathione. Glutathione
                                    11

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       conjugates are metabolized further to cysteine and 3-thiolactic acid conjugates.
       These  compounds are then conjugated with malonic acid and glucose.  No
       residues of intact butylate or of diisobutylamine have been found in corn at
       harvest.    (MRID  s  00020555,  00020558, 00021594,  00021781, 00021822,
       00021849, and 00129398)

Animal Metabolism

              Greater than 99% of [14C]butylate  administered to laboratory animals
       (rodents),  is rapidly metabolized to water-soluble compounds which are readily
       eliminated by  excretion  (in  urine  and  feces).    Metabolism  occurs  via
       sulfoxidation, hydrolysis, and conjugation (major pathway), and via oxidation and
       degradation (minor pathway).  No metabolites of lexicological concern were
       identified. Data from  ruminant and poultry  metabolism studies are not required
       because of limited potential exposure from residues of butylate on livestock feed
       items,  and also because of a lack of evidence that residues of butylate exist in
       laboratory animals.  There is no  reasonable expectation of finite residues of
       butylate in meat, milk, poultry, and eggs with respect to 40 CFR 180.6 (a)(3) and
       no tolerances for animal feed items are required. (MRID 00129397)

Residue Analytical Methods - Plants and Animals

              An adequate enforcement method is available for determination of residues
       of butylate in or on corn grain, forage, and fodder.  The enforcement method
       (Method   A  of PAM  Vol.  E;  Sec.  180.232)  is a GLC  method  with
       microcoulometric detection and  a limit of detection  of 0.04 ppm.    This
       enforcement method has undergone successful Agency method validation on corn
       grain.  Since no tolerances exist for animal  commodities, enforcement methods
       for residues  of butylate  in animal commodities  are not  required. (MRID
       00022848, 00023535, 00024324, 00024776, 00025676-,  00063485, 00064183,
       00068699, 00074451,  05002372, 05010440, 05013158, 05018944, 42126302)

Storage Stability

              The available  storage stability data (MRID 41812205) indicate  that
       residues of butylate are  stable in corn grain stored frozen for up to 1 year.
       Residues in corn grain stored for 2 and 3 years decline by approximately 50%.
       A  portion of the samples  of corn grain used to provide  data  supporting the
       established tolerances were stored for intervals in excess of 1 year. Reassessment
       of the 0.1 ppm tolerance includes the assumption that residues of butylate have
       declined 50% during  storage.   The registrant has been required (DCI dated
       10/24/90)  to submit the sample storage conditions and intervals for those samples
       deemed to be useful for  tolerance reassessment.  The registrant has submitted
       preliminary storage stability data from samples of milled corn grain, where the
                                    12

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      recovery was 85% of the nominal residue (0-day sample). The adequacy of this
      study will be determined when the final report for this study is submitted in
      September   1993.  The  required  storage  stability data  can  be considered
      confirmatory and does not affect the reregistration eligibility of butylate.

Magnitude of the Residue in Plants

             The  available residue data from  crop field  trials provide  sufficient
      information to reassess the 0.1 ppm tolerances for residues of butylate in/on corn
      grain, fresh corn, and  corn forage/fodder.   This  assessment  includes the
      assumption that residues of butylate may decline up to 50% in samples stored in
      excess of 1 year. Residues of butylate in or on about 250 samples of corn grain
      or whole ears and about 200 samples  of field corn  forage  and fodder were
      nondetectable (< 0.02 to  < 0.05 ppm). A portion of these samples was stored for
      up to 3 years. Assuming a 50% residue decline in samples of corn grain, forage,
      and  fodder  stored for periods longer than  1 year, residues of butylate are not
      expected to exceed the  established 0.1  ppm tolerance. (MRID 00020547,
      00020548,  00020564, 00021749, 00021751,  00021753, 00021755, 00021759,
      00021766,  00021769, 00021783, 00021784,  00021787, 00021794, 00021803,
      00021856,  00022846, 00023534, 00023727,  00023816, 00023817, 00023818,
      00023819,  00024775, 00026259, 00026260,  00026315, 00026316, 00026974,
      00035840,  00037762, 00041699, 00090889,  00093145, 00093221, 00093222,
      00098255, 00109470, 00117892, 42406401)

Processed Food/Feed

             Corn grain and sweet corn cannery waste processing studies indicate that
      residues of butylate do not concentrate  in  processed  food/feed items.  No
      food/feed additive tolerances  are required. (MRID 42126301 and 42448701)

Confined Rotational Crops

             The confined rotational crop study is adequate to satisfy this guideline
      requirement. There are no terminal residues of concern to be regulated in
      rotational crops; thus, tolerances on rotational crops need not be established. No
      additional residue characterization or field rotational crop studies (GLN 165-2)
      are  required, and no  specific plantback intervals are needed. The parent
      compound,  butylate, was not  identified in any  plant tissue extract. Two
      metabolites were identified and confirmed in plants from the 30-day rotational
      interval. The Agency has concluded that the butylate metabolites,  identified in
      plants rotated to butylate-treated soil, are not of toxicological concern. Hydrolysis
      of the non-extractable  fractions yielded  residues  in hydrolysates  and post-
      hydrolysis  solids  predominantly in  the 10 ppb  range. Residues resulting in
      rotational crops do not require regulation. (MRID 42694001)
                                    13

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       b.    Occupational and Residential

       At the time of  the  Registration Standard, no  exposure studies were
required.  The 10/24/90 Data Call-in notices stated that dermal and exposure
studies were reserved pending the review of required toxicology data.

       Although there is  a  potential for dermal  and  inhalation  exposure for
workers involved with mixer/loader/applicator and soil incorporation activities,
butylate does not meet Agency criteria for additional testing based on available
toxicity studies.  In addition, since butylate is soil incorporated well before the
plants are mature, the potential for postapplication exposure during tasks such as
sweet com harvesting or seed corn detasseling is unlikely. Because butylate does
not meet EPA's exposure or toxicity criteria, postapplication/reentry data are not
required  to support the reregistration of this chemical.

3.     Human Risk Assessment

       a.    Dietary

       A chronic dietary  exposure assessment has been  conducted  using the
following parameters:

1. Toxicological Endpoint: This assessment used a Reference Dose (RfD) of 0.05
mg/kg body weight/day, based on a No Observed Effect Level (NOEL) of 5.0
mg/kg body weight/day  and  an uncertainty factor of 100. The NOEL was taken
from a long-term  feeding study  in dogs  which demonstrated increased  liver
weights in males at the next  dose, 25 mg/kg/day.

2. Residue Information: Food uses in this analysis are the published tolerances on
corn commodities.   Published tolerances  for this chemical are listed  in the
Tolerance Index System (ITS) and 40 CFR §180.232.

       This assessment used tolerance level residues and 100 percent crop treated
information to estimate the Theoretical Maximum Residue Contribution (TMRC)
for the overall U.S. population and 22 subgroups. The TMRC represents a worst
case estimate.   The  TMRC for the general population  from all  published
tolerances is 5.8 x 10'5 mg/kg body weight/day, representing 0.1% of the RfD.
The most highly exposed subpopulations are non-nursing infants (< 1 year old)
and children (1-6 years old). Assuming tolerance level exposures, the TMRCs
are 1.39 x 10"4 and 1.43 x 10"4 mg/kg/day, respectively, representing 0.3% of the
RfD for each subgroup.  At this time,  there  are no pending or temporary
tolerances for butylate.
                             14

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             b.     Occupational and Residential

             The Agency has concluded that human health risks from exposure to
       butylate are considered to be minimal due to its low acute toxicity and current
       classification  as non-carcinogenic to  humans.  No occupational or residential
       exposure data have been required.

C.     Environmental Assessment

       1.     Environmental Fate

             a.     Environmental Chemistry, Fate and Transport

                    The Registration Standard required the following environmental
             fate studies:
                    Hydrolysis
                    Photodegradation in water
                    Terrestrial field dissipation
                    Fish accumulation

                    The 10/24/90 Data Call-In  notice required the submission of the
             following studies:

                    Photodegradation in soil
                    Aerobic soil metabolism
                    Anaerobic soil metabolism
                    Leaching/adsorption/desorption
                    Volatility  (Laboratory)
                    Terrestrial field dissipation
                    Droplet size spectrum
                    Drift field evaluation

             Two additional field dissipation studies with volatilization measurements,
       aged leaching, and spray drift and droplet size data are required to confirm the
       reregistration eligibility of butylate.  Although data gaps exist, these requirements
       are not critical to the reregistration eligibility decision.  The data requirements
       and data gaps are given in Appendix B.   Summaries of available studies are
       provided below:

               1.  Hydrolysis

                    Butylate did not hydrolyze  significantly in pH 5, 7, and 9 sterile
             aqueous buffered solutions containing 1% acetonitrile  incubated in the
             dark at ± 25 °C. (MRID 40389111)
                                    15

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2. Photodegradation in water

       Butylate does not degrade significantly in  sterile aqueous pH 7
buffered solutions while being irradiated continuously for 30 days with a
xenon arc lamp. (MRID 40389111)

3. Photodegradation in air

       A photodegradation in air study is not required at this time. If the
volatility measurements required in the field dissipation studies indicate a
concern, the Agency will reconsider the need for this test.

 4. Photodegradation on soil

       Butylate degraded slowly on loam soil that was irradiated outdoors
in California at approximately 25°C, with an average of 82% of the
butylate remaining  undegraded  after  30  days  of irradiation.    No
degradation of butylate occurred in the dark  control during the  same
period. Two minor degradates, butylate sulfoxide and butylate sulfone,
were identified in the irradiated soil. Because butylate is soil-incorporat-
ed, photodegradation is not likely to be an important route of dissipation
in the environment. (MPJD 42123905)

5. Aerobic soil metabolism

       Butylate degraded with a reported half-life  of 23.9 days in sandy
loam soil that was incubated for 245 days in darkness at 24°C.   The
decline in butylate soil residues was due primarily  to volatilization (47%
of the applied radioactivity was present as volatilized parent at day 28)
with aerobic soil metabolism of secondary importance.  The nonvolatile
degradates identified  were  butylate sulfoxide,  diisobutylformamide,
oxazolidinone, hydroxyisobutyl butylate, butylate S-acid, butylate N-acid,
and diisobutylamine. At the end of the study, 14CO2 and organic [14C]vol-
atiles (of which >93% were butylate) totaled 21.16 and 57.94% of the
applied, respectively; 14C-bound residues comprised 9% of the radioactiv-
ity. (MRID 41812201)

6. Anaerobic soil metabolism

       Butylate degraded with a half-life of 63.6 days in anaerobic
(flooding plus nitrogen atmosphere) sandy loam soil that was incubated in
the  dark at  24 °C for up  to  60  days  following 20 days  of aerobic
incubation. The decline in butylate  soil residues was due primarily to
                       16

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volatilization (about 60%  of the decline in soil residues during the
anaerobic incubation period  was due to  volatilization of  parent) with
anaerobic soil metabolism of secondary importance.  The nonvolatile
degradates  identified  were  butylate  sulfoxide, diisobutylformamide,
oxazolidinone, hydroxyisobutyl butylate, butylate S-acid, butylate N-acid,
and  diisobutylamine.    The  predominant  volatilized compound  was
undegraded butylate. (MRID 41812201)

7. Leaching and adsorption/desorption

       Based on batch  equilibrium experiments, butylate was determined
to be  mobile to moderately mobile in Keeton sandy loam, Columbia
loamy sand, Sorrento loam, and Atterberry silt loam soils.  The respective
Freundlich Kads values reported for these soils were 1.48, 4.84, 7.28, and
5.47.  These results are for parent butylate only and do not assess the
mobility of degradation products. Aged leaching data are required as
confirmatory data to assess the mobility of butylate degradation products.
(MRID 41812202)

8. Laboratory volatility

       Butylate readily volatilized from moist sandy loam soil with 53.1 %
of the applied radioactivity volatilized by  25 hr posttreatment.  Butylate
comprised >95% of the volatilized residues. During the experiment, the
soil was maintained at 25 °C and 75% of field moisture capacity, with a
continuous flow of humidified air. (MRID 42123906)

9. Terrestrial field  dissipation

       In two studies  found to be supplemental-(MRIDs 41812203 and
41812204), butylate dissipated with  half-lives of 12-13 days from the
upper 6-7  inches  of  sandy  loam soil that was treated  with a  soil-
incorporated application of butylate at 6 Ib a.i./A.  Neither butylate nor
monitored degradates were detected deeper than 9 inches.
       These studies  are considered supplemental for  the  following
 reasons:
        (a) Butylate is used exclusively as a corn herbicide, but'the studies
        were conducted in California which is not a major corn-growing
        region. The studies' results, therefore, may not be representative
        of butylate's dissipation under typical use conditions.
                       17

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       (b) Adequate freezer storage stability data for degradates were not
       presented.

       (c) One study (MRID 41812204) was initiated during July when air
       and soil temperatures were elevated and therefore the dissipation
       reported is probably not representative of the compound's typical
       use.  Butylate is normally applied  during or near corn planting
       time (April - May). The other study (MRID  41812203) cannot be
       used toward  fulfillment of the data  requirement because the time
       zero  soil samples  did not confirm  the application rate.   As
       confirmatory data, two field dissipation studies are required.

10. Bioaccumulation in fish

       The studies submitted provide supplemental information regarding
the bioaccumulation in fish.  These studies are considered supplemental
because  degradates  were uncharacterized.    [14C]Butylate  residues
accumulated in bluegill sunfish continuously exposed to [14C]butylate at
0.12-0.16 ppm, with maximum mean bioconcentration factors of 180x for
edible tissues, 630x for nonedible tissues, and 410x for whole fish; by day
14  of  the depuration period, 98-99%  of [14C]butylate residues were
eliminated from the fish tissues. (MKEDs 40843901 and 40657401).
11. Spray Drift and Droplet Size

       Droplet size spectrum (201-1) and spray drift evaluation (202-1)
data are needed  to  support  the  chemigation application  method  for
butylate.  The  registrant may elect  to  satisfy both data requirements
through the Spray Drift Task Force, provided the Agency does not require
these data in advance of the Task Force's final report (currently scheduled
for 1994).
b.
Environmental Fate Assessment
       A comprehensive environmental fate assessment includes: 1) how
a  chemical  dissipates; 2)  identification of  significant  environmental
degradation  products  if degradation  occurs during dissipation and  3)
analysis of where the residues are most likely to persist (e.g., in the
atmosphere,  ground water, surface water, target plants). The existing data
base for butylate is sufficient to draw preliminary conclusions about its
dissipation in the environment. However, there are uncertainties associated
with these conclusions and therefore additional  data are required  to
confirm this preliminary assessment.
                      18

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       Laboratory studies demonstrate what specific processes and relative
rates may be involved with the dissipation of the chemical and the major
environmental degradates.  Field studies confirm  the laboratory  studies
and examine how the competing dissipation processes affect the  overall
dissipation rate.

       A preliminary assessment from acceptable  laboratory data is that
volatilization is an important (and perhaps the major) route of butylate
dissipation.  Partially satisfactory field dissipation studies provide indirect
evidence that substantial volatilization occurs under actual use conditions.
At present,  however, there is no information related  to the amount or
nature of residues resulting from volatilization during normal agricultural
use. It is not possible to quantify the extent of volatilization in the absence
of field volatility data.   Mineralization to  CO2  occurs  also, but this
appears to be secondary to volatilization as a dissipation pathway.

       Based on the available data, it can  be concluded that butylate is
highly volatile and degrades moderately rapidly under aerobic conditions.
Aerobic  soil metabolism  indicated that much of the applied butylate
volatilized  during the course of the study.  The remaining butylate
degraded to CO2. The moderate value of the calculated Henry's Constant
(8.26  X 1Q-6  atm-m3/mol), combined  with  the compound's volatility,
indicate that once in the atmosphere, butylate may  be transported in fogs,
mists, and rainwater. Because butylate is often applied to bare ground as
a preemergence herbicide or shortly  after planting, and  because it is
mobile to moderately mobile in soil, runoff to surface water may follow
a rainfall event. Based on these demonstrated properties, there were
several issues that require attention.

        The first issue is run-off into surface water. The aquatic Estimated
Environmental Concentration (EEC) was based upon models developed for
two  different scenarios.  These were  used  to  determine  whether  the
concentrations of butylate would exceed the Levels of Concern for fish.
Field studies would increase the certainty of the aquatic EEC by verifying
the model.

        With regard to the fish accumulation study, the Agency believes
that no more data should be required for this guideline  study  for  the
following reasons:

1. 98-99%  of the 14C butylate residues were eliminated  from the fish
tissue within  14 days.   Therefore, butylate is unlikely to be a major
bioaccumulator.
                       19

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2. Although there are unidentified  residues in fish, this is unlikely to
present a human health problem because:

       a. Butylate is classified as a group E carcinogen, meaning that
       there is evidence of noncarcinogenicity for humans.

       b. The Agency has concluded that at the current tolerance level
       exposures,   the   TMRCs   for  the   most  highly   exposed
       subpopulations, non-nursing  infants and children aged  1-6, are
       1.39 x 10^ and 1.43 x 10"4, representing 0.3 % of the Rfd.  Thus,
       there is  little concern that residues in fish tissue will pose non-
       cancer risk.

       The second issue relates to volatility of butylate. As stated above,
butylate may  be transported  in mists, fogs and rainwater.  The volatile
component of the field dissipation study would provide basic information
relating  to butylate in air.  At present, no field  data exist relating the
amount or the nature of residues in  air from volatilization of butylate as
a result of normal agricultural use.

       The last issue  relates to groundwater. As  stated above, the data
indicate that the major routes of  dissipation are volatilization of butylate
and degradation to CO2. Some of the intermediate compounds appear to
be structurally related to  compounds  that may be mobile. Degradation and
volatility may not be sufficiently rapid to preclude leaching into ground
water: however, these situations will most likely be rare.  Dissociation
constants developed for intermediate compounds on soils would help
confirm that little or no  leaching of  residues will occur.

       In  summary, preliminary conclusions  can  be  made about the
dissipation  of butylate  in  the environment.  However,  there are
uncertainties  associated with  these  conclusions.  Consequently, the
following data are required to confirm the assessment of the environmental
fate of butylate but are not  critical to the reregistration eligibility decision:
       1. A minimum of two field dissipation studies  are required. These
two studies are to be conducted in major corn-producing regions where
butylate is commonly used and must  reflect typical  corn  cultivation
practices.  Because  it  is  available in  emulsifiable concentrate (EC),
flowable concentrate (PC), granular, and microencapsulated formulation
and because formulation may  influence dissipation,  the studies  need to
address the effect  of formulation on the field dissipation of butylate.
Therefore, at least one field dissipation study must be conducted with the
                       20

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       EC or  FC and the  second study  must  use either  the  granular or
       microencapsulated formulation. Volatilization measurements (which may
       be acceptable to satisfy the requirement for the field volatility study) are
       needed in all field dissipation studies because it appears to play a sig-
       nificant role in the environmental fate of butylate.
              2. Aged leaching data are necessary to assess the mobility of
       butylate  degradation products.  Because of the volatility  issue and the
       relatively slow formation  of degradates under aerobic soil conditions,
       batch equilibrium studies using radiolabeled synthesized degradates are
       required to assess degradate mobility.
              3. Spray drift data are required but may be fulfilled through the
       Spray Drift Task Force.
2.     Ecological Effects
              At the time of the Registration Standard cold and warm water fish
       acute LC50 studies were required.   (The remaining  ecological effects
       studies were either acceptable or not required). The 10/24/90 Data Call-in
       notice required the submission of the following studies:

               Estuarine/marine toxicity - fish
               A  fish early lifestage study
               Seed germination/seedling emergence
               Vegetative vigor
               Aquatic plant growth

              The nontarget plant studies (seed germination, seedling emergence,
       vegetative  vigor and aquatic plant growth) are not required as part of the
       target database for butylate  and do  not effect the reregistration eligibility
       decisions.   These plant studies are required  to support the continued
       registration of butylate products.  The data requirements and data gaps are
       given in Appendix B. Summaries of available studies are provided below.
                              21

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                    a.     Ecological Effects Data
                           (1)     Terrestrial Data
       A.  Effects to Nontarget Birds
              (i). Avian Single-Dose Oral LD50
AVIAN ACUTE ORAL TOXICITY
SPECIES
Mallard Duck
% A.I.
98
LDso
(mg/kg)
>4640
CONCLUSIONS
Practically nontoxic
             There is sufficient information from the study cited above to characterize technical
       grade butylate as practically nontoxic to  birds when exposed orally to a single dose.
       (MRID 00025060)
              (ii). Avian Dietary
AVIAN SUBACUTE DIETARY TOXICITY -
SPECIES
Bobwhite Quail
CD
Mallard duck
(2)
% A.I.
98.1
Tech
98.1
Tech.
LC50
(ppm)
>5620
>5620
CONCLUSIONS
Practically nontoxic
LMRlDDOmSOO
2. MRID 00131299
              The studies listed above are  sufficient to characterize technical butylate  as
       practically nontoxic when exposure is  through the diet to upland game birds (bobwhite
       quail) and waterfowl (mallard duck).
                                          22

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             (iii). Avian Reproduction

             Based upon the available mammalian reproduction data, the use pattern (typical
      application, preplant with incorporation into bare soil), and the available environmental
      fate data, avian reproduction tests are not required at this time.  If future environmental
      fate data (i.e., for microencapsulated or granular formulations)  indicate significant
      persistence of butylate, the Agency will reconsider the need for these tests.

                           (2)    Aquatic Organism Data

      A. Acute Toxicity to Freshwater Fish

             (i). Effects of Technical Butylate to Freshwater Fish
FRESHWATER FISH ACUTE TOXICITY
TECHNICAL BUTYLATE
SPECIES
Bluegill sunfish (1)
Rainbow trout (2)
Bluegill sunfish (3)
Bluegill sunfish
(3)
Rainbow trout
(3)
% A.I.
98.2
98.2
98
98
98
LC50
(ppm)
6.4
7.0
0.21
0.47
2.10
CONCLUSIONS
The LC50 values for freshwater fish
range from 0.21-7.0 ppm. Using the
data from the most sensitive species,
bluegill sunfish, technical butylate is
classified as highly toxic to freshwater
fish.
1. MRID 00149318
2. 00149319
3. 40098991
              Using the data from the most sensitive species, bluegill sunfish, there is sufficient
       information to characterize technical butylate as highly toxic to freshwater fish.
                                            23

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       (ii). Effects of Butylate Formulations to Freshwater Fish
FRESHWATER FISH ACUTE TOXICITY
BUTYLATE FORMULATIONS
SPECIES
Rainbow trout (1)
Bluegill Sunfish
(1)
Bluegill Sunfish
(2)
Rainbow trout
(2)
% A.L
79.23 (Sutan 6E)
79.23 (Sutan 6E)
Sutan 4S
Microencap-
silated
Sutan 4S
Microencap-
silated
LC50
(ppm)
5.2
7.2
>500
>700
CONCLUSIONS
Moderately toxic
Practically nontoxic
1. MRID 00021835
2. MRID 00020532
       There is sufficient  information to characterize a 79.23  percent emulsifiable
concentrate formulation as  moderately toxic  to coldwater and warmwater fish.  A 48
percent microencapsulated formulated product was found to be practically nontoxic to
fish.
B. Fish Early Life-Stage
       A  fish early life stage study (MRID  42214302) and an addendum (MRID
42773601) were reviewed  and found to be scientifically-sound but do not  meet the
guideline requirements for a fish early life-stage test because of study defects. Although
flawed, this study shows that the maximum allowable toxic concentration for technical
butylate was greater than 0.30 ppm and less than 0.51 ppm. The study can be used to
conduct a risk assessment, therefore, the Agency will not require another study to
support the presently registered corn use.
                                   24

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       C. Acute Toxicity to Freshwater Invertebrates
FRESHWATER INVERTEBRATE ACUTE TOXICITY
SPECIES
Daphnia magna
% A.I.
98
LC50
(ppm)
11.9
CONCLUSIONS
Slightly toxic
       There is  sufficient information to  characterize technical butylate as slightly toxic to
freshwater aquatic invertebrates.
(MRID 00021841)
       D. Acute Toxicity to Estuarine/Marine Organisms
ACUTE TOXICITY ESTUARINE ORGANISMS
SPECIES
Sheepshead Minnow
% A.I.
98.4
LC50
ppm
2.6 '
CONCLUSION
S
Moderately
Toxic
       A  96-hour LC50 study was conducted  to determine the acute toxicity  of butylate to
estuarine and marine fish. The guideline requirement for technical grade acute testing using an
estuarine/marine fish has been satisfied.  (MRID 42214301) Technical butylate was found to be
moderately toxic to sheepshead minnow.
                                          25

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                           (3)    Non-Target Insects Data
ACUTE TOXICITY NONTARGET INSECTS
SPECIES
Honeybee
%
A.I.
TGAI
LD50
jig/bee
>29
CONCLUSIONS
Relatively nontoxic
       There are sufficient data to characterize butylate as relatively nontoxic to honey bees.
(MRED 00036935) Therefore, the guideline requirement for the honey bee acute contact LD50
study has been fulfilled.
                           (4)    Non-Target Plants Data
       Seven studies were evaluated under this topic and were found to be unacceptable due to
either solubility problems or reporting deficiencies. Phytotoxicity testing is required because the
pesticide may pose a hazard to endangered or threatened species.  Runoff, spray drift and
volatility from center pivot sprinkler application can be expected to reach plants in adjacent
fields. Seed germination, seedling emergence, vegetative vigor, and aquatic plant growth studies
are required. These studies are not required as part of the target database for butylate and do not
affect the reregistration eligibility decision. These studies are required to support the continued
registration of butylate products.
                    b.    Ecological Effects Risk Assessment
       This section consists of numerous risk assessments each covering a different combination
of endpoint and exposure scenario.   Each risk assessment includes a risk  quotient which
combines the toxicity and exposure information.  For each quotient there is an established value
above which the risk is considered to be at a high level of concern (LOG). The generic risk
quotients and their respective LOC's for each risk assessment are provided in the table below.
Note that the same risk quotients are used for non-endangered and endangered species, but the
acute LOG is lower for endangered species.
                                          26

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Endpoint/Scenario
Mammalian acute
(granular)
Mammalian acute
(spray)
Mammalian chronic
(granular)
Mammalian chronic
(spray)
Avian acute (granular)
Avian acute (spray)
Avian chronic (granular)
Avian chronic (spray)
Aquatic acute
Aquatic chronic
Non-target insects &
plants
Risk Quotient
LD50/ft2
EEC/LC50
EEC/LEL
EEC/LEL
LD50/ft2
EEC/LC50
EEC/LEL
EEC/LEL
EEC/LC50
EEC/LEL
NOT QUANTIFIED
Nonendangered LOG
0.5
0.5
1.0
1.0
0.5
0.5
1.0
1.0
0.5
1.0
N/A
Endangered
LOG
0.1
0.1
1.0
1.0
0.1
0.1
1.0
1.0
0.05
1.0
N/A
       The narrative sections below provide the derivation and value of the appropriate risk
quotients for butylate and an interpretation of its significance.

              1. Mammalian Acute Risk Characterization

       A.  Granular Formulation Exposure

                            Because data are unavailable for determining the acute toxicity of
                     butylate to nontarget mammals, the Agency is using data from acute oral
                     toxicity studies in rats as  surrogate data to calculate  and define acute
                     mammalian risks.  The Agency is assuming that deer mice, a represen-
                     tative small  mammal, has similar sensitivity as rats to butylate through
                     acute oral exposure .  LD50 values of 3500 mg/kg and 5431 mg/kg, for
                     male and female rats, respectively, were used.
                                            27

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                    Based on available use and exposure information, the Agency has
             calculated that a maximum estimated environmental concentration (EEC)
             of 66 mg ai/ft2 is possible through use of granular butylate at 6.3 Ib ai/A,
             the maximum allowable label rate.

                 For a deer mouse weighing 0.0184 kg this is equivalent to 3587 mg
             ai/ft2/kg.

                    This results in a risk quotient of:

                     3587/3500 = 1.0 LD50's/ft2 for male deer mice
                          and
                     3587/5431 = 0.7 LD50's/ft2 for female deer mice

                    These are both greater than the established level of concern (LOG)
             for granular formulations of 0.5 LD50/ft2".

                    Based on these calculations, it appears that small mammals may be
             at risk from use of granular butylate. It is important to note, however, that
             because of the mitigation factors listed below, it is unlikely that the use
             of butylate will pose a hazard to nonendangered small mammals.

             (1)    Butylate is soil incorporated immediately after application which
                    should reduce exposure to small mammals except, possibly, at turn
                    row areas;

             (2)    Small mammals would be required to consume high numbers of
                    granules, from approximately 597 to 926 granules,  to achieve the
                    risk quotients of 1.0 and 0.7 LD50's/ft2.

             (3)    Small mammals such as deer  mice,  are not likely  to ingest
                    granules, either  selectively or accidentiy as birds may, unless the
                    granules were to prove attractive to them.

B.  Spray Formulation Exposure

                    This risk assessment is based upon dietary exposure.

                    Preliminary  EEC's from generic  residue data indicate that an
             application rate of 6.3  Ib ai/A  would result in residues of 788 ppm
             (typical) up  to  1512 ppm (maximum) on short grasses.  A deer mouse
             consuming 0.0036  kg food/day would receive 2.8 to5.4mgbutylate/day
             at these concentration levels.
                                   28

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                    This is equivalent to 154 to 293 mg/kg of butylate/day for a .0184
             kg deer mouse.

                    The level of concern for dietary exposure is exceeded when the
             expected dietary intake exceeds 1/2 the LD50.  In this case, the  dietary
             exposure is well below 1/2 the LD50 for both males and females (given in
             Section A above).  This indicates that acute  risks  to mammals from
             dietary exposure following the use of butylate spray formula are unlikely.

       2. Mammalian Chronic Risk Characterization

A.  Granular Formulation Exposure

                    The Agency has assumed that the deer mouse and rat have similar
             sensitivities to  chronic  oral butylate exposures.   A 2-generation rat
             reproduction study resulted in a lowest effect level (LEL) of 50 mg/kg/day
             (described in Section HI Blf).

                    As described in the section on  acute mammalian risk for granular
             formulations, the maximum EEC from use of granular butylate is 664 mg
             ai/ft2, which is equivalent to 3587 mg/kg/ft2 for an animal with the weight
             of a deer mouse.

                    This results in a risk quotient of

                               3587/50 = 72

                    This is much greater than the established LOG of 1.0.  However,
             the Agency concludes that chronic  risks to mammals are unlikely to be
             great based upon the mitigating factors discussed in the paragraph above
             under mammalian acute risk characterization.   Further, the available
             environmental fate data indicate butylate is highly volatile and likely to
             volatilize  substantially  under actual  use conditions  thereby mitigating
             chronic  risks.   However,  if  future environmental  fate data indicate
             significant persistence of butylate, the Agency will reexamine the chronic
             mammalian risks at that time.

B.  Spray Formulation Exposure

                    The LEL  of 50 mg/kg  cited  in the  above section on granular
             formulation exposure is equivalent to 256 ppm for  an animal with the
             weight and food consumption of a deer mouse (provided in the section on
             acute mammalian risk).
                                    29

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                    As stated in the section on acute mammalian risk, preliminary
             EECs of 788  to 1512 ppm have been calculated for butylate on  short
             grasses.

                    This would result in a risk quotient of

                             788/256 = 3.1

         to                  1512/256  = 5.9

                    which exceed the established LOG of 1.0 for chronic risk.

                    However, residues on short grasses are not particularly appropriate
             to the deer  mouse diet.  More appropriate food items evaluated in the
             same generic data base as the short grasses are fruits, forage, and insects.
             EECs based on these items are 44-365 maximum and 9-208 typical.

                    These EECs lead to a range of risk quotients

                         from  9/256    = 0.04

                           to  365/256    = 1.4

                           Although the risk quotients based upon maximum residues
                    even on these items exceed the LOG, it is questionable whether the
                    residues would persist at these levels long enough to constitute
                    chronic exposure. The available fate data indicate that butylate is
                    highly volatile and likely to volatilize substantially under actual use
                    conditions. At present, it is unlikely that small mammals exposed
                    to chronic  exposures  will  be at  risk.  However,  if future
                    environmental fate data indicate significant persistence of butylate,
                    the Agency will reexamine the chronic mammalian risks at that
                    time.

       3. Avian Acute Risk  Characterization

A.  Granular Formulation Exposure

                           As stated in the  ecological effects  data section, the only
                    avian oral LD50 available is   >4640 mg/kg from a study in the
                    mallard duck.   The value 4640 mg/kg is used to quantitate acute
                    oral toxicity to all birds.
                                    30

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                          The EEC for  granular formulation is 66 mg ai/ft2,  as
                   already stated for mammalian risk.

                          For a small bird such as a field sparrow (weighing 0.014
                   kg) this is equivalent to 4714 mg ai/kg/ft2.

                          This results in a risk quotient of:

                          4714/4640 = 1.0

                   which exceeds the LOG of 0.5.  The LOG would not be exceeded
                   for any birds as large as or larger than a robin.

                          Even though the calculated quotient exceeds the LOG for
                   small birds, the Agency has concluded that  minimal acute risks
                   exist for nonendangered avian species exposed to granular butylate
                   because:  (1).  all LD50 values are "greater than" values and it is
                   not known what the LD50 actually is and (2). the mallard LD5n
                   value indicates that the compound is "practically non-toxic".
B.  Spray Formulation Exposure
                    The available avian subacute dietary toxicity data show the dietary
             LC50 for both bobwhite quail and mallard duck to be in excess of 5620
             ppm of the diet. This analysis assumes that the LC50 is equal to 5620 ppm
             for a bird the size of a bobwhite quail.

                    For a much smaller bird such as a field sparrow which consumes
             an amount of food equal to approximately 33% of its body weight (as
             opposed to approximately 9% for the'quail) this is equivalent to an LC50
             of 1501 ppm.

                    The EECs for birds range from  44-1512  (maximum) to 9-788
             (typically), depending on the food item.

                    This could result in a maximum risk quotient of

                            1512/1501 = 1.0

             for a small bird such as the field sparrow.

                    However, the EECs for the food items most likely to be consumed
             by field sparrows (weed seeds and insects) are 365 ppm or less.
                                   31

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                    This would result in a risk quotient of

                          365/1501 = 0.24

             which is below the LOG for acute risk.

                    The risk quotient for a mallard, which is more likely to consume
             grasses is based upon a higher LC50.

             i.e.     1512 = 0.27
                    5620

                    This also fails to exceed the LOG.

                    The Agency concludes, therefore, that acute risks to birds from
             spray formulations will be minimal.

             4. Avian Chronic Risk Characterization

                    Because no chronic data on birds are available, the Agency has
             used the rat reproduction study, already  cited in the mammalian chronic
             risk section.

                    The LEL of 50  mg/kg found for rats is assumed for birds.
A.  Granular formulation exposure
                    For granular formulations the EEC of 66 mg ai/ft2 used for the
             granular risk assessments set forth in earlier sections applies.

                    As stated in the avian acute risk section, this is equivalent to 4714
             mg ai/kg/ft2 for a small bird such as a field sparrow.

                    This results in a risk quotient of

           4714/50 = 94.3

             for small birds.

                    For a much larger bird such as a mallard (weighing about 1 kg),
             the equivalent exposure would be 66 mg ai/kg/ft2 and the corresponding
             risk quotient is:   66/50 = 1.3
                                   32

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             Both of these exceed the established LOG of 1.0 for chronic risk.

                    However,  since  butylate  appears  highly   volatile  and  is,
             furthermore, soil  incorporated  or  watered  in  immediately following
             applications, it is unlikely that birds will consume sufficient number of
             granules to achieve LEL daily throughout their reproductive cycle.

                    Therefore, the Agency concludes that high chronic risk to birds
             from granular butylate is unlikely. However, if future environmental fate
             data indicate significant persistence  of butylate, chronic avian risks will
             be reexamined at that time.
B.  Spray Formulation Exposure
                    Again, the LEL of 50 mg/kg from the rat reproduction study is
              assumed to apply to birds.

                    This is equivalent to  149 ppm in the diet for a small bird such as
              a field sparrow and to 1,000 ppm for a much  larger bird such as a
              mallard.

                    The dietary EECs are described in previous section and range from
              9 to 1512 ppm, depending on the food item.

                    For the high end of this EEC range (1512 ppm) the risk quotients
              range from

                     1512/149 = 10. for a field sparrow

                  down to 1512/1000 = 1.5 for a mallard.  -

                    However, only the mallard is likely to eat the grasses to which this
              EEC applies.

                    As explained in the section on acute risks, the EECs for the foods
              likely to be consumed by a field  sparrow  are 365 ppm or less.  This
              results in a risk quotient

                             of 365/149 = 2.4

              for the field sparrow.

                    All of these risk quotients are above the LOG of 1.0 for chronic
              risk.
                                    33

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       However, given the apparent volatility of butylate, it is unlikely
that birds will consume foods with residues high enough to achieve the
LEL throughout their reproductive cycle.

       Therefore the Agency concludes that chronic risk to birds from
butylate spray formulation is unlikely.  However, if future environmental
fate data for the microencapsulated or granulated formulations indicate
significant  persistence of  butylate,  the  chronic avian risks  will  be
reexamined at that time.

5. Aquatic Risk Characterization

       Acute.  Of the aquatic species tested (see the section on aquatic
organism data)  the most sensitive species is the bluegill sunfish, with a
lowest LC50 of 0.21 ppm or 210 ppb.  This LC50 is used for the aquatic
acute risk assessment.

       The Estimated Environmental Concentration for butylate in aquatic
environments was  derived from models developed for two different
scenarios: 1) corn grown on Loring Silt Loam in Mississippi; and (2) corn
grown on Fatette Silt Loam in  Iowa. Using estimates from these two
sites, acute EEC's were calculated to  range from 70 to  76 ppb.

       This results in a maximum acute risk quotient of
                    76/210 =  0.4

which  is well below the  LOG of 0.5 for acute risk to non-endangered
species. It is, therefore, unlikely that acute risks exist for non-endangered
freshwater fish, invertebrates or marine species.

       Chronic risks.   The MATC of 0.39 ppm (390 ppb)  from the
fathead minnow study is used to quantitate chronic aquatic toxicity.

       The chronic EECs derived from the model described above range
from 30 to  34 ppb.

       This results in a risk quotient of

     34/390 = 0.09
       This is below the aquatic chronic LOG of 1.0 for non-endangered
species.
                      34

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       The Agency concludes that chronic risks to non-endangered aquatic
species are unlikely.  However, as discussed in the environmental fate
section, these EEC calculations are based upon very limited environmental
fate data and will be reconsidered when the confirmatory field dissipation
studies are reviewed.

6. Nontarget Insects Risk Characterization
       Based on the available honey bee toxicity data (acute contact LD50
= > 29 ug/bee) and the presently registered use patterns for butylate
(typically: one application preplant followed by incorporation or watering
in; applications are usually to bare ground; and no applications are made
during crop bloom (tasseling)) the acute risks to nontarget insects are
unlikely.
7. Nontarget Plant Risk Characterization
       There is insufficient data to characterize risks to nontarget plants.
The presently available studies lack pertinent data, which need to be
submitted.  For other species the studies need to be redone.  However,
since butylate is a herbicide, it is assumed that risks to nontarget plants
are likely.
8. Endangered Species Risk Characterization
       The risk quotient for endangered species is calculated in the same
way as for non-endangered  species.   However the LOC  is lower for
endangered  species acute risk.  The table below summarizes  the risk
quotients calculated in  earlier sections  for non-endangered species and
compares them to the corresponding LOCs for endangered species (taken
from the table at  the  beginning  of this  section.)   Endpoint/scenario
combinations where the risk quotient exceeds the LOC are marked in the
table below with an asterisk.
                       35

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Endpoint and Scenario
*Mammalian acute
(granular)
Mammalian acute (spray)
*Mammalian chronic
(granular)
*Mammalian chronic
(spray)
*Avian acute (granular)
*Avian chronic (granular)
*Avian chronic (spray)
*Aquatic (fish) acute
Aquatic (fish) chronic
Butylate Risk Quotient
Value
0.7 - 1.0
0.03 - 0.08
72
0.04 - 5.9
1.0
1.3 - 94
1.5 - 10
0.4
0.09
LOG for Endangered Species
0.1
0.1
1.0
1.0
0.1
1.0
1.0
0.05
1.0
PLANTS NOT QUANTIFIED BUT EXPECTED IO Bb Al
                  A high level of concern is reached when the risk quotient exceeds the
           LOG for endangered aquatic and terrestrial organisms.

                  Using the above LOCs and considering butylate's presently registered use
           patterns, potential acute risks exist for nontarget endangered mammals, birds and
           freshwater vertebrates. Although there are mitigating factors, as discussed above
           under the acute risk characterization for non-endangered mammals, endangered
           mammals may be more sensitive and, therefore, acute risks may exist.  Because
           of the sensitivity of freshwater vertebrates to butylate, potential risks may exist
           for endangered amphibians.

                  There also  may be a possibility of chronic risks to mammals and birds.
           Food habits, use patterns, and butylate's volatility are mitigating factors, but the
           possibility that endangered mammals and birds are more sensitive to butylate than
           non-endangered ones may offset these mitigating factors. In addition, because
           butylate is a herbicide, risks are likely for endangered plants and this may impact
           endangered insects.  EPA is working with the US Fish and Wildlife Service and
           other Federal and  state agencies to develop a program to avoid jeopardizing the
           continued existence of the identified species by the use of pesticides. When the
           Endangered Species Protection Program is published in the Federal Register and
                                        36

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              subsequent  guidance to  registrants  is  given,  endangered  species  labeling
              amendments may be required on affected end use products.  Labeling statements
              for end use products will likely refer users to. county specific bulletins specifying
              detailed limitations on use to protect endangered species.
IV.    RISK MANAGEMENT AND REREGISTRATTON DECISION
       A.     Determination of Eligibility
              Section 4(g)(2)(A) of FIFRA calls for the Agency to determine, after submission
       of relevant data concerning an active ingredient, whether products containing the active
       ingredient are eligible for reregistration.  The Agency has previously identified  and
       required the submission of the generic (i.e. active ingredient specific) data required to
       support reregistration  of products  containing butylate  as  an active  ingredient.  The
       Agency has completed its review of these generic data, and has determined that the data
       are sufficient to support reregistration of all products containing butylate.   Appendix B
       identifies the generic data requirements  that  the  Agency reviewed  as part of its
       determination of reregistration eligibility of butylate, and lists the submitted studies  that
       the Agency found acceptable.

              The data identified in Appendix B were sufficient to allow the Agency to assess
       the registered uses of butylate and to determine  that butylate can be  used without
       resulting in unreasonable adverse effects to human health and the environment.  The
       Agency therefore finds that all products containing butylate as the sole active ingredient
       are eligible for reregistration.   However, those products which  contain other active
       ingredients will be eligible for reregistration only when the other active ingredients have
       been  determined  to be  eligible for  reregistration.   The reregistration  of particular
       products is addressed in Section V  of this document.

              The Agency made its reregistration eligibility determination based upon the target
       data base required for reregistration, the current guidelines for conducting acceptable
       studies  to generate such  data  and  the data identified in  Appendix B.   Although the
       Agency has found that all uses of  butylate are eligible for reregistration, it should be
       understood that  the Agency may take appropriate regulatory action, and/or require the
       submission of additional data to support the registration of products containing butylate,
       if new  information comes to  the  Agency's  attention or  if the data requirements for
       registration (or the guidelines for generating such data)  change.
                                            37

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       1.     Eligibility Decision
             Based on the reviews of the generic data for the active ingredient butylate,
       the Agency has sufficient information on the health effects of butylate and on its
       potential for causing adverse effects in fish and wildlife and the environment.
       The Agency concludes that products containing butylate and registered for use on
       field corn, sweet corn and popcorn are eligible for reregistration.
             The Agency has determined that butylate products, labeled and used as
       specified in this Reregistration Eligibility Document, will not pose unreasonable
       risks or adverse effects to humans or the environment.
       2.     Eligible and Ineligible Uses
             The Agency has determined that the uses of butylate on field corn, sweet
       corn and popcorn are eligible for reregistration.   These are the only registered
       uses of butylate.
B.     Regulatory Position
       The following is a summary of the regulatory positions and rationales for butylate.
Where labeling revisions are imposed, specific language is set forth in Section" V of this
document.
       1.     Tolerance Reassessment
             Tolerances for residues of S-ethyl diisobutylthiocarbamate in or on food
       and feed commodities are currently expressed in terms of parent compound only
       (40 CFR 180.232).
              Sufficient crop field trial data are available to ascertain the adequacy of
       the established tolerances of 0.1 ppm for residues of butylate in or on field corn
       grain  (including popcorn), sweet  corn kernels plus  cob with  husk removed
       (K+CWHR), field corn forage and fodder (including popcorn), and sweet corn
       forage and fodder. Sufficient data also indicate that residues of butylate do not
                                    38

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concentrate  upon processing;  therefore,  no food/feed additive tolerances are
required.  There are no established or proposed Codex maximum residue limits
(MRL) or other international tolerances for residues of butylate.
       The Agency is requiring that the entry in 40 CFR 180.232 be amended by
replacing the chemical name "S-ethyl diisobutylthiocarbamate" with the acceptable
common name "butylate." The term negligible residues should be deleted from
the tolerance expression.  The tolerances listed in 40 CFR  180.232 should be
modified to reflect current commodity definitions as follows:
Commodity
Corn grain (including
popcorn)
Fresh corn including
sweet corn (kernels
plus cob with husk
removed)
Corn forage and fodder
including sweet corn,
field corn, and popcorn)
Current
Tolerance
(ppm)
0.1
0.1
0.1
Tolerance
Reassessment
(ppm)
0.1
0.1
0.1
Correct Commodity
Definition
Corn, field, gram
Corn, pop, grain
Corn, sweet (K + CWHR)
Corn, field, fodder
Corn, field, forage
Corn, pop, fodder
Corn, pop, forage
Corn, sweet, forage
2.     Labeling Rationale

       The Worker Protection Standard (WPS) for Agricultural Pesticides -40
CFR Parts 156 and  170, established an interim restricted-entry interval of 12
hours for butylate based on the results of acute dermal toxicity, skin irritation and
eye irritation toxicity testing. The Agency considers the 12-hour restricted entry
interval for this chemical a prudent risk-mitigation measure to protect workers.
Therefore, the Agency retains the 12 hour REI and will allow workers to enter
areas treated with butylate during the  REI only in the few narrow exceptions
allowed in the WPS.
                             39

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             The Agency considers the use of a long-sleeved shirt, long pants, shoes,
      socks, and chemical-resistant gloves a prudent risk-mitigation measure to protect
      handlers and early-entry workers from exposure to  butylate.   Therefore, the
      Agency requires that all products that contain butylate bear personal protective
      equipment requirements for handlers and early-entry workers that are at least as
      protective as these items. If the end-use product labeling already bears personal
      protective equipment requirements that are more protective than these items, the
      more protective requirements must be retained.

             All manufacturing-use  or  end-use products that may be contained in
      effluent discharged to waters of the United States or municipal sewer systems
      must bear required labeling.

      3.     Endangered Species Statement

             The Agency does have concerns regarding exposure of endangered animals
      and plants to butylate.  At the present time,  EPA is working with the U.S. Fish
      and Wildlife Service and other Federal and  state agencies to develop a program
      to avoid jeopardizing the continued existence of listed species by the use of
      pesticides. When the Endangered Species Protection Program is implemented and
      subsequent guidance is given, endangered species labeling amendments may be
      required on affected end-use products. Labeling statements for end use products
      will likely refer users to county specific bulletins specifying detailed limitations
      on use to protect endangered species.

      Specific label language is outlined in Section V, Labeling Requirements.

ACTIONS REQUIRED BY REGISTRANTS

      This section specifies the  data requirements and  responses necessary for the
reregistration of both manufacturing-use and end-use products.

A.    Manufacturing-Use Products

      1.     Additional Generic Data Requirements

             The generic data base supporting the reregistration of butylate for the
      above eligible  uses  has  been reviewed and determined  to  be  substantially
      complete. However, additional confirmatory information is needed to fulfill data
      requirements for the studies listed below.
                                   40

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             Product chemistry
             Storage stability
             Aged leaching
             Terrestrial field dissipation with volatilization measurements
             Seed germination/seedling emergence
             Vegetative vigor
             Aquatic plant growth
             Droplet size and spray drift
             Acute and subchronic neurotoxicity

       2.     Labeling Requirements for Manufacturing-Use Products

             All  manufacturing-use products  that may be contained in an effluent
       discharged to the waters of the United States or municipal sewer systems must
       bear the  following  revised effluent  discharge  labeling  statement  in  the
       "Environmental  Hazards"  section.   Please note that  this effluent  discharge
       statement has been modified to include a required fish toxicity statement.

       "This pesticide is toxic to fish. Do not discharge effluent containing this product
       into lakes, streams, ponds, estuaries, oceans or other waters unless in accordance
       with the  requirements of a National Pollution Discharge Elimination System
       (NPDES) permit and the permitting authority has been notified in writing prior
       to discharge. Do not discharge effluent containing this product to sewer systems
       without previously notifying the local  sewage treatment plant authority. For
       guidance  contact your State Water Board or Regional Office of EPA."

             All affected products distributed or sold by registrants and distributors
       (supplemental registrants) must bear the above labeling by October 1, 1995.  All
       products  distributed  or sold by persons other than registrants  or supplemental
       registrants after October 1,  1997 must bear the correct labeling.  Refer to  PR
       Notice 93-10 or 40 CFR 152.46(a)(l) for additional information.

B.     End-Use  Products

       1.     Additional Product-Specific Data Requirements

             Section  4(g)(2)(B) of FIFRA calls for the Agency to obtain any needed
       product-specific data regarding the pesticide within 8 months after a determination
       of eligibility has been made.  The product specific data requirements are listed
       in Appendix G, the Product Specific Data Call-in Notice.

             Registrants must review previous data submissions to ensure that they meet
       current EPA acceptance criteria (Appendix F; Attachment E) and if not, commit
       to conduct new studies.  If a registrant believes that previously submitted data
                                   41

-------
meet  current testing  standards,  then study MRID numbers  should  be cited
according to the instructions in the Requirement Status and Registrants Response
Form provided for each product.

2.     Labeling Requirements for End-Use Products

       The labels and labeling of all products must comply with EPA's current
regulations and requirements as specified in 40 CFR §156.10.  Please follow the
instructions in the Pesticide Reregistration Handbook with respect to labels and
labeling.

Worker Protection Standard Requirements

       Any product whose labeling reasonably permits use in the production of
an agricultural plant on any agricultural establishment (farm, forest,  nursery, or
greenhouse) must comply with the labeling requirements of PR  Notice 93-7,
"Labeling Revisions Required by the Worker Protection Standard (WPS), and PR
Notice 93-11, "Supplemental Guidance for PR Notice 93-7,  which reflect the
requirements of EPA's labeling regulations for worker protection statements (40
CFR part 156, subpart K).  These labeling revisions are necessary to implement
the Worker Protection Standard for Agricultural Pesticides (40 CFR part 170) and
must be completed in accordance with, and within the deadlines specified in PR
Notices 93-7 and 93-11.  Unless otherwise specifically directed in  this RED, all
statements required by PR Notices 93-7 and 93-11 are to be on the product label
exactly as instructed in those notices.

       After April 21, 1994, except as otherwise provided in PR Notices 93-7
and 93-11, all products within the scope of those notices must bear WPS PR-
Notice-complying labeling when they are distributed or sold by the primary
registrant or any supplementally registered distributor.  •

       After October 23, 1995, except as otherwise provided in PR Notices 93-7
and 93-11, all products within the scope of those notices must bear WPS PR-
Notice-complying labeling when they are distributed or sold by any person.

Atrazine-Butylate Combination Products

       The  Agency  requires that the  two restricted  use  butylate-atrazine
combination  products retain  the label precautions that are currently  on these
products due to toxicity and  ground and surface water concerns for atrazine
compounds.
                             42

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Personal Protective Equipment Requirements

       The following personal protective equipment (PPE) labeling is required for
all end-use products:

       "Applicators and other handlers must wear:
       -Long-sleeved shirt and long pants
       -Chemical-resistant or waterproof gloves (see instructions below)
       -Shoes plus socks"

       The glove statement for butylate is the statement established through the
instructions in Supplement Three of PR Notice 93-7.

       Registrants of end-use products that contain butylate must  compare the
personal protective equipment  requirements  set  forth  in  this  section to the
personal protective equipment requirements, if any, on current labeling and retain
the more protective.   For guidance in choosing which requirement  is more
protective, see Supplement Three of PR Notice 93-7.

Entry Restrictions: A  12-hour restricted entry interval (REI) is required for all
uses on all end-use products.  All uses are within the scope of the WPS (see PR
Notice 93-7).  This REI should be inserted into the standardized REI statement
required by PR Notice 93-7. The personal protective equipment (PPE) for early
entry should be the PPE required for applicators of butylate, except no apron or
respirator (if any is on label) is required and  "coveralls" must be specified for
early-entry workers instead of "long-sleeved shirt and long pants/'  This PPE
should be inserted into the standardized early entry PPE statement required by PR
Notice 93-7.

Sole-active ingredient: End-use products that contain butylate must adopt the entry
restrictions set forth in this section. Any conflicting entry restrictions on current
labeling must be removed.

Multiple-active ingredient: End-use products that contain butylate must compare
the entry restrictions set forth in this section to the entry restrictions on current
labeling and retain the more protective. A specific time-period in hours or days
is considered more protective than "sprays have dried" or "dusts have settled."

       The Environmental Hazard Section is to include:

Granular End-Use Products
"This pesticide is toxic to fish.  Do not apply directly to water, or to areas where
surface water is present or to intertidal areas below the mean high-water mark.
                             43

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      Runoff may be hazardous to aquatic organisms in neighboring areas.  Do not
      contaminate water when disposing of equipment washwater or rinsate."

      Non-granular End-Use Products

      "This pesticide is toxic to fish.  Do not apply directly to water, or to areas where
      surface water is present or to intertidal areas below the mean high-water mark.
      Drift and runoff  may be hazardous to aquatic organisms in neighboring areas.
      Do not contaminate water when disposing of equipment washwater or rinsate.

C.  Existing Stocks
      Registrants may generally distribute and sell products bearing old labels/labeling
for 26 months from the  date of the issuance of this Reregistration Eligibility Decision
Document (RED). Persons other than the registrant may generally distribute or sell such
products for 50 months from the date of the issuance of this RED.  However,  existing
stocks time frames will be established on a case-by-case basis, depending on the number
of products involved, the number of label changes, and other factors.  Refer to "Existing
Stocks of Pesticide Products";  Federal Register.  Volume 56, No. 123,
June 26, 1991.

      The Agency has  determined that registrants  may distribute and sell  butylate
products bearing old labels/labeling for 26 months from the date of issuance of this RED.
Persons other than the registrant may distribute or sell such products for 50 months from
the date of the issuance of this RED.
                                    44

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     APPENDIX A
 Table of Use Patterns
Subject to Reregistration
          45

-------

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           APPENDIX B
Table of the Generic Data Requirements
     and Studies Used to Make the
        Reregistration Decision
                 46

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                               GUIDE TO APPENDIX B


       Appendix B contains listings of data requirements which support the reregistration for
the pesticide butylate covered by this Reregistration Eligibility Decision. It contains generic data
requirements that apply to butylate in all products, including data requirements for which a
"typical formulation" is the test substance.

       The data table is organized in the following format:

       1.      Data Requirement (Column 1).  The data requirements are listed in the order in
              which they appear in 40 CFR, Part 158. The reference numbers accompanying
              each test refer to the test protocols set in the Pesticide Assessment Guidelines,
              which are available from the National Technical Information Service, 5285 Port
              Royal Road, Springfield, VA 22161  (703) 487 - 4650.

       2.      Use Pattern  (Column 2).  This column  indicates the use patterns for which the
              data requirements apply. The following  letter designations are used for the given
              use patterns:

                    A     Terrestrial food
                    B     Terrestrial feed
                    C     Terrestrial non-food
                    D     Aquatic food
                    E     Aquatic non-food outdoor
                    F     Aquatic non-food industrial
                    G     Aquatic non-food residential
                    H     Greenhouse food
                    I      Greenhouse non-food
                    J      Forestry
                    K     Residential
                    L     Indoor food
                    M     Indoor non-food
                    N     Indoor medical
                    O     Indoor residential

       3.      Bibliographic citation (Column 3). If the Agency has acceptable data in its files,
              this column  lists the  identifying number of each study.   This normally is the
              Master Record Identification (MRED) number, but may be a "GS"  number if no
              MRID number has been assigned.  Refer to the Bibliography appendix for a
              complete citation of the study.
                                           47

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               APPENDIX C
             BIBLIOGRAPHY
Citations Considered to be Part of the Data Base
          Supporting Reregistration
                    57

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                              GUIDE TO APPENDIX C
1.     CONTENTS OF BIBLIOGRAPHY. This bibliography contains citations of all studies
       considered relevant by EPA in arriving at the positions and conclusions stated elsewhere
       in  this Reregistration  Eligibility Decision.    Primary sources for studies  in  this
       bibliography have been  the body of data submitted to EPA and its predecessor agencies
       in  support  of past regulatory decisions.   Selections  from other sources including
       published literature, in those instances where they have been considered, are included.

2.     UNITS OF ENTRY. The unit of entry in this bibliography is called a "study". In the
       case of published  materials, this corresponds closely  to an article.   In  the  case of
       unpublished  materials submitted  to  the  Agency, the Agency  has  sought to  identify
       documents at a level parallel to the  published article from  within the typically larger
       volumes in which they were submitted.  The resulting "studies" generally have a distinct
       title (or at least a single subject), can stand alone for purposes of  review and can be
       described with a conventional bibliographic citation. The Agency has also  attempted to
       unite basic documents and commentaries upon them,  treating them  as a single study.

3.     IDENTIFICATION OF ENTRIES.   The  entries in this bibliography are sorted
       numerically by Master Record Identifier, or "MRID Number".  This number is unique
       to the citation, and should be used whenever a specific reference is  required.  It is not
       related to the six-digit "Accession Number" which has been used to identify volumes of
       submitted studies (see paragraph 4(d)(4) below for further explanation).  In  a few cases,
       entries added to the bibliography late in the review may be preceded  by a nine character
       temporary identifying number which is also to be used whenever specific reference is
       needed.

4.     FORM OF ENTRY. In addition to the Master Record Identifier (MRID), each entry
       consists of a citation containing  standard elements followed, -in the case of material
       submitted to EPA, by a description  of the earliest known submission.  Bibliographic
       conventions  used  reflect the standard of the American National  Standards Institute
       (ANSI), expanded to provide for certain  special needs.

       a.     Author. Whenever the author could confidently be identified, the Agency has
             chosen  to show a personal  author.  When no individual was identified, the
             Agency has  shown a identifiable laboratory  or testing facility as the author.
             When no author  or laboratory could be identified, the Agency has shown the first
             submitter as the  author.
       b.     Document Date.  The date of the study is taken directly from the document.
             When the date is followed by a question mark, the bibliographer has deduced the
             date from the evidence contained in the document.  When the date appears as
                                          58

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(19??), the Agency was unable to determine or estimate the date of the document.

Title.  In some cases, it has been necessary for the Agency bibliographers to
create or enhance a document title.  Any such editorial insertions are contained
between square brackets.

Trailing Parentheses. For studies submitted to the Agency in the past, the trailing
parentheses  include  (in addition to any self-explanatory  text) the following
elements describing the earliest known submission:

(1)    Submission Date.  The date of the earliest known submission appears
       immediately following the word "received".

(2)    Administrative Number.  The next  element  immediately following the
       word "under" is the registration number, experimental use permit number,
       petition number, or other  administrative  number associated  with the
       earliest known submission.

(3)    Submitter.  The third element is the submitter. When authorship is de-
       faulted to the submitter, this element is omitted.

(4)    Volume Identification (Accession  Numbers).  The final  element  in the
       trailing parentheses identifies the EPA accession number of the volume in
       which  the  original submission of  the  study appears.   The six-digit
       accession number follows the symbol "CDL", which stands for "Company
       Data Library".  This accession  number  is in  turn  followed by an
       alphabetic suffix which shows the relative position of the study within the
       volume.
                             59

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                                 BIBLIOGRAPHY
GS-0071-001  Food and Drug Administration, Pesticide Analytical Manual (PAM). Vol. n,
             Section 180.232.

GS-0071-002  Schafer, E.W. (1972) The Acute Oral Toxicity of 369 Pesticidal, Pharmaceutical,
             and Other Chemicals to Wild Birds. Toxicity and Applied Pharmacology, 21:
             315-320.

GS-0071-006  Stauffer Chemical  Company; Correspondence  file  for  Pesticide Petition
             N0.7F0621; DCL:RCB-115142.

00020530     Hall, A.; Henderson, L.; Joiner, R.; et al. (1974) Sutan + 6-E:Safety Evaluation
             by a Five-Day Feeding Test in Mallard [sic] Ducks: T-4644. (Unpublished study
             received Aug  29, 1974 under 476-2132; submitted by  Stauffer Chemical Co.,
             Richmond, Calif.; CDL:026623-A)

00020532     Bresolin, P. (1975) Toxicology Laboratory Report-T-5433. (Unpublished study
             received Jan 6,  1976 under 476-2180; submitted by Stauffer Chemical Co.,
             Richmond, Calif.; CDL:224372-B)

00020535     Stauffer Chemical Company (19??) Chemistry: [Butylate]. (Unpublished study
             received Dec 30, 1965 under unknown admin, no. ;CDL: 123651-A)

00020545     Stauffer Chemical Company (19??) Basic Manufacturing Process of Sutan
             Technical.   (Unpublished  study  received  Apr  8,  1976  under  476-2180;
             CDL:224137-A)

00020547     Sweet, R.; Unicki, R.; Johns, R.D.; et al. (1975) [Summary of Crop Residue
             Data for Sutan + 4-S, Sutan + 4-S/Atrazine and Sutan +4-S/Bladex Tank Mixes
             on Corn]. (Unpublished study received on unknown date under 5E1587; prepared
             in cooperation with Rutgers, the State Univ. of New Jersey, submitted by Stauffer
             Chemical Co., Richmond, Calif.;  CDL:097088-C)

00020548     Unger,  M.   (1974) [Residue Data on  the  Cross-Linked,   Polyurea-Type
             Encapsulating Polymer].   (Unpublished  study  received Jan  14,1975 under
             5E1587; submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:097088-C

00020555     Fang,  S.C.  (1969)  Thiolcarbamates.   Pages  147-164, In Degradation  of
             Herbicides.  By P.C. Kearney and D.D. Kaufman.   New York: ? (Also In
             unpublished submission received  Mar 27, 1972  under unknown  admin,  no.;
             submitted by Stauffer Chemical Co.,  Richmond, Calif.; CDL: 120329-C)
                                        60

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00020558     Gray, R.A.; Tomlinson, G.A.  (1967) Metabolism of Radioactive S /*- Ethyl
             diisobutylthiocarbamate (Sutan) in Corn and Rats. (Unpublished study received
             Mar 27, 1972 under unknown admin, no.; submitted by Stauffer Chemical Co.,
             Richmond, Calif.; CDL: 120329-Q)

00020564     Stauffer Chemical Company (1975) Crop Residue Report: FSDS No. A- 9644.
             (Unpublished study including FSDS nos. A-9594 and A-9644-1; received Jan 6,
             1976 under 476-2180; CDL:226295-H)

00021594     Gulf Oil Chemicals Company (1970?) Metabolism of Thiolcarbamates in Plants.
             (Unpublished study received Oct  26,  1971  under unknown  admin,  no.;
             CDL: 127196-Y)

00021749     Arkebauer, W.G.; Carswell, T.; Morris, W.P.; et al. (1975) Summary of Crop
             Residue Data for Sutan on Soybeans.  (Unpublished study received  May 2, 1975
             under 476-2156;  submitted  by  Stauffer Chemical  Co., Richmond,  Calif.;
             CDL:009609-B)

00021751     Nelson, M. (1975) Summary of Crop Residue Data for Sutan + 6.7-E/Bladex
             4-WDS Tank Mix on Corn.  (Unpublished study received May 2, 1975 under
             476-2156; prepared in cooperation with Shell Chemical Co., submitted by
             Stauffer Chemical Co., Richmond, Calif.; CDL:009609-D)

00021753     Owens, F.; Snell, R.; Stewart, N.; et al. (1975) Summary of Crop Residue Data
             for Sutan +  6.7-E Impregnated on Dry Bulk Fertilizers and Applied Pre-plant
             Incorporated on  Corn.  (Unpublished study  received May 2,  1975  under
             476-2156;   submitted   by   Stauffer  Chemical  Co.,  Richmond,  Calif.;
             CDL:009609-I)

00021755     Burnside, I. (1975) Crop Residue Report: FSDS No. A-8647. (Unpublished study
             received May 2,  1975 under 476-2156; prepared by Univ. of Nebraska, submitted
             by Stauffer Chemical Co., Richmond, Calif.; CDL:009609-K)

00021759     Lott, C.; Freeman, J.F.; Shriver,  L; et al. (1972) Crop Residue Report: FSDS
             No.  B-0416.   (Unpublished study  including FSDS nos. B-0419, B-0321,
             B-0320..., received Jun 2,  1972 under 476-2000; prepared in cooperation with
             Reid Brothers and others, submitted by Stauffer Chemical Co., Richmond, Calif;
             CDL:003854-B)

00021766     Solether, W.K.;  Sweet,  R.;  Boldt, P.; et al.  (1974) Sutan +:  Summary of
             Residue Trials Employing Broadcast Applications at a Rate of 6 Pounds or Higher
             Actual Sutan Per Acre,  Pre-plant Incorporated.  (Unpublished study received Apr
             5, 1974 under 476-2132; prepared in cooperation with Univ. of Illinois and
             others, submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:009847-G)
                                         61

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00021781
00021783
00021784
00021769     Freeman, J.F. (1967) Crop Residue Report: FSDS No. 1835. (Unpublished study
             including FSDS nos. A 2110, A 2111 and A 2121, received Jul 31, 1969 under
             476-2049; prepared in cooperation with Univ. of Kentucky, Experimental Farm,
             submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:003883-B)

             Stauffer  Chemical  Company   (1974?)   Plant  Uptake  Studies  with
             [Phenyl-14C]Polyurea  Microencapsulated  Sutan  +:  Project  No.  038022.
             (Unpublished study received on unknown date under 5E1587; CDL:097088-A)

             Thomas, V.M. (1974?) Plant Uptake-Microencapsulated Sutan +: Project No.
             038022. (Unpublished study received Jan 14, 1975 under 5E1587; submitted by
             Stauffer Chemical Co., Richmond, Calif.; CDL:094353-C)

             Staniforth, D.;  Heikes,  G.  (1973)  Supportive Residue Data  for Bladex(R)
             Herbicide Tank Mix Combination with Sutan(R) Herbicide. (Unpublished study
             received Jul  11, 1973 under 201-279; prepared in cooperation with Iowa State
             Univ. and  others, submitted  by Shell  Chemical  Co.,  Washington, D.C.;
             CDL:000984-A)

00021787     Ulnicki, R.; Brown,  R.W. (1964) Crop Residue Report: FSDS  No. 3853.
             (Unpublished study including FSDS nos. 3910 and 3946, received Jan 17, 1966
             under unknown admin, no., prepared in Cooperation with Pioneer Hi Bred Seed
             Co., submitted by Stauffer Chemical Co., Richmond, Calif.; CDL: 123637-C)

00021794     Orr, J.P.; Meade, J.; Cole, ?; et al. (1965) Crop Residue Report: FSDS No.
             A1758.  (Unpublished study including FSDS nos. A 1838, A 1932, A 1934...,
             received Mar 30,  1966  under unknown admin,  no., submitted by Stauffer
             Chemical Co., Richmond, Calif.; CDL: 123643-C)

00021803     Holsapple, G.; Stagge, K.; Gandrud, D.; et al. (1976) Summary: Sutan + 10-G
             Residue Data.  (Unpublished  study received Jan 29, 1976  under 476-2001;
             submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:223351-A)

00021822     Stauffer Chemical Company (19??) Comparative Plant and Animal Metabolism,
             and Fish and Wildlife Toxicity Data for Eptam(R), Sutan(R), Tillam(R) and
             Vernam(R).  (Unpublished study received Mar 27, 1972 under unknown admin.
             no.; CDL:120329-A)

00021835     Knott, W.; Beliles, R.P. (1967) R-1910 and R-1910 6-E Safety Evaluation  on
             Fish and Wildlife (Bobwhite  Quail, Rainbow Trout, and  Bluegill  Sunfish).
             (Unpublished study received Mar 27, 1972 under unknown admin, no.; prepared
             by Woodard Research Corp., submitted by Stauffer Chemical Co., Richmond,
             Calif.; CDL:120329-T)
                                         62

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00021841     Vilkas, A.G. (1976) Acute Toxicity of Sutan Technical to the Water Flea Daphnia
             magna Straus: AES Proj. # 7602-87. (Unpublished study received Apr 25, 1978
             under 476-2180;  prepared by  Union  Carbide Corp., submitted by Stauffer
             Chemical Co., Richmond, Calif.;  CDL:233577-A)

00021848     Stauffer Chemical Company (1975) [Soil Residue Data of Sutan Combinations and
             R-25788]: FSDS Nos. A-9229, A-9229-1, A-9229-2, A-10366.  (Unpublished
             study including FSDS  no.  A-8034, received Jan  6,  1976 under 476-2180;
             CDL:226295-C)

00021849     Bova, D.L.; DeBaun,  J.R. (1975?) Estimation  of the  Amount of Material
             Extractable  from  the  Encapsulating  Polymer  by  Water  in  Commercial
             Formulation of Sutan + Encapsulated: Project No. 148233. (Unpublished study
             received Jan 6, 1976 under 476-2180; submitted by Stauffer Chemical Co.,
             Richmond, Calif.; CDL:226295-E)

00021856     Stauffer Chemical Company (1978) Crop Residue Report: FSDS No. A-11359.
             (Unpublished study received Apr 25, 1978 under 476-2180; CDL:233576-H)

00022846     Kyle, J.; Rister, A.W.; Tiefenthaler, A.; et al. (1978) [Summary of Crop Residue
             Data of Sutan and Other Chemicals on Corn]. (Unpublished study received Oct
             10,  1978 under 476-2156; prepared in cooperation with Kansas State Univ.,
             Experiment Station, submitted by  Stauffer Chemical  Co., Richmond, Calif.;
             CDL:235281-A)

00022848     Patchett,  G.G.  (1970?)  Determination of R-25788 Residues in Corn. Undated
             method.   (Unpublished study received Oct 10, 1978  under 476-2156; submitted
             by Stauffer Chemical Co., Richmond, Calif.; CDL:235281-E)

00023534     T^ake, ?; Shriver,  ?; Dyson, ?;  et al. (1968) Crop Residue Report: FSDS No.
             B-0071.   (Unpublished study including FSDS nos. A-2159, B-0032, A-0450...,
             received Jul 22,  1968  under  476-2024;  prepared  in cooperation with  Crop
             Chemical Testing  Service and Univ. of Guelph, submitted by Stauffer Chemical
             Co., Richmond, Calif.;  CDL:003868-D)

00023535     Patchett, G.G.; Schwab, G.W. (1967) Sutan Residue Method for Corn and Corn
             Forage by Gas Chromatography. Undated method RR-67-28. (Unpublished study
             received Jul 22, 1968 under 476-2024;  submitted by Stauffer Chemical Co.,
             Richmond, Calif.; CDL:003868-E)

00023727     Dorn, R.W. (1974)  [Compatibility of Bladex(R) Herbicide with Commercial
             Herbicide and Liquid Fertilizers].  (Unpublished study received Mar 28, 1975
             under 201-281;  submitted by  Shell   Chemical  Co.,  Washington,  D.C.;
             CDL:009627-A)
                                        63

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00023814    Stauffer Chemical Company (1975)  [Residues from Sutan on Soil]:FSDS Nos.
            A-9229, A-9229-1, A-9229-2, A-10366.  (Unpublished study including FSDS
            no.A-8034, received Jan 6, 1976 under 476-2180; CDL:224370-B)

00023816    Stauffer Chemical Company (1975)  Crop Residue Report: FSDS  No.  A-9644.
            (Unpublished study received Jan 6, 1976 under 476-2180; CDL:224370-F)
00023817    Stauffer Chemical Company (1975)  Crop Residue Report: FSDS  No.  A-9594.
            (Unpublished study received Jan 6, 1976 under 476-2180; CDL:224370-G)

00023818    Stauffer Chemical Company (1975) Crop Residue Report: FSDS No. A-9644-1.
            (Unpublished study received Jan 6, 1976 under 476-2180; CDL:224370-H)

00023819    Stauffer Chemical Company (1975)  Crop Residue Report: FSDS  No.  A-9644.
            (Unpublished study received Jan 6, 1976 under 476-2180; CDL:224370-I)

00024324    Adelson, B.J.; O'Sullivan, R.P. (1971) Residue Method for Sutan(R).  Method
            WRC 71-28 dated Apr 1971.   (Unpublished study received Jul 7, 1971 under
            476-2103;   submitted  by  Stauffer  Chemical  Co.,  Richmond,   Calif.;
            CDL:003900-B)

00024775    Hoffman, L.; Doebler, T.; Parson, W.; et al. (1976) Summary: Sutan+-Atrazine
            18-6G: Residue Data. (Unpublished study received Jan 29,1976 under 476-2103;
            submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:223262-A)

00024776    Adelson, B.J.; O'Sullivan, R.P. (1971) Residue Method for Sutan(R).  Method
            WRC 71-28 dated Apr 1971.  (Unpublished study received Jan 29, 1976 under
            476-2103; prepared by Western Research Center, submitted by Stauffer Chemical
            Co., Richmond, Calif.; CDL:223262-B)

00025060    Fink, R. (1976) Final Report: Acute Oral LD50-Mallard Duck: Project No.
            144-104.  (Unpublished study received Apr 25,  1978 under 476-2180;  prepared
            by Wildlife International, Ltd., submitted by Stauffer Chemical Co., Richmond,
            Calif.; CDL:233577-B)

00025676    Lesh, M.R.  (1979) Determination of Residues of R-33865, EPTC, Butylate and
            R-25788 in  Corn.  Method no. RRC 79-33 dated Nov 2, 1979.  (Unpublished
            study received Dec 20, 1979 under 476-EX-96; submitted by Stauffer Chemical
            Co., Richmond, Calif.; CDL: 099167-E)

00026259    Sweet, R.; JJnicld, R.; Johns, R.D.; et al. (1975) Summary of Crop Residue Data
            for Sutan 4-S on Corn.   (Unpublished study received Jan  6, 1976 under
            476-2180; prepared in cooperation with Rutgers, The State Univ. of New Jersey
            and  others,  submitted  by   Stauffer  Chemical  Co.,   Richmond,  Calif.;
            CDL:224369-B)
                                        64

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00026260     Dowler, C.; Moyer, R.; Kolwaite, R.; et al. (1975) Summary of Crop Residue
             Data for Sutan 4-S/Atrazine and  Sutan  4-S/Bladex  Tank  Mixes on Corn.
             (Unpublished study received Jan 6,1976 under 476-2180; prepared in cooperation
             with Agrico Chemical Co.,  submitted by Stauffer Chemical Co., Richmond,
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00026307     Horton,  RJ. (1966) R-1910, Tech.: Acute Oral LD50-Rats:  Technical Report
             T-164.  (Unpublished study received Aug 17, 1967 under 7F0621;  submitted by
             Stauffer Chemical Co., Richmond, Calif.;  CDL:090812-B)

00026312     Woodard, M.W.; Woodard,  G.; Cornin, M.T.I. (1967)  R-1910 6-E Subacute
             Dermal Toxicity: 21-Day Experiment with Rabbits. (Unpublished study received
             Aug 17, 1967 under 7F0621; prepared by Woodard Research Corp., submitted
             by Stauffer Chemical Co., Richmond, Calif.; CDL:090812-H)

00026314     Woodard,  M.W.; Woodard,  G.;  Cronin, M.T.I.  (1967) R-1910;  Safety
             Evaluation by Dietary Feeding  to Dogs for 16 Weeks. . (Unpublished study
             received Aug  17, 1967 under 7F0621; prepared by Woodard Research Corp.,
             submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:090812-J)

00026315     Stauffer Chemical Company (1967) Summary:  [Sutan].   Summary of studies
             090812-M thru 090812-R.  (Unpublished  study received Aug 17, 1967 under
             7F0621; CDL:090812-L)

00026316     Brown, R.W.; Raleigh,  S.M.; NoU, C.J.; et al. (1967) Corn Residue Studies.
             (Unpublished  study  received  Aug  17,  1967  under  7F0621;  prepared  in
             cooperation  with Pennsylvania State Univ. and  others, submitted by Stauffer
             Chemical Co., Richmond, Calif.; CDL:090812-M)

00026320     Gray,  R.A.;  Weierich, AJ. (1966?) Behavior and Persistence  of S  Ethyl
             diisobutylthiocarbamate (Sutan) in Soils.  (Unpublished study received Aug 17,
             1967 under 7F0621; submitted  by Stauffer Chemical Co., Richmond, Calif.;
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00026324     Stauffer Chemical Company (19??) Sutan(R): Chemical and Physical Properties.
             (Unpublished study received Jun 26, 1967  under 7F0621; CDL:092915-C)

00026325     Smith,  W.J.;  Below,  J.F. (1967)  The Analysis of Technical Sutan and Its
             Formulations:   Report  No.  RR-67-27.    Rev.   Three undated  methods.
             (Unpublished study received Jun 26, 1967  under 7F0621;CDL:092915-D)

00026974     Jongeling, C.; Henrickson, A.; Vecker, E.; et al. (1971) Sutan/Atrazine Residue
             Studies.  (Unpublished study received Jul 7,  1971 under 476-2103; prepared in
                                        65

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             cooperation with Gandy Co. and others, submitted by Stauffer Chemical Co.,
             Richmond, Calif. ;CDL:003900-A)

00027139    Weidner, C.W. (1974) Degradation in Groundwater and Mobility of Herbicides.
             Master's thesis, Univ. of Nebraska, Dept. of Agronomy.  (Unpublished study
             received  M  19,  1978 under  201-403;  submitted by  Shell  Chemical Co.,
             Washington, D.C.; CDL:234472-O)

00027140    Lavy, T.L.  (1974) Mobility  and  Deactivation of Herbicides  in Soil-Water
             Systems: Project A-024-NEB.  (Available from: National Technical Information
             Service, Springfield, VA: PB-238 632; unpublished study received Jul 19, 1978
             under 201-403; prepared by Univ. of Nebraska, Water Resources  Research
             Institute, submitted by Shell Chemical Co., Washington, D.C.; CDL:234472-P)

00035840    O'SuUivan, R.; Lott, C.; Mortenson, J.X.; et al. (1979)  Sutan+6.7-E, Sutan+
             6.7-E/Atrazine,  Sutan+  6.7-E/Bladex  Center  Pivot  Sprinkler  Application:
             Summary of Crop Residue Data on Corn. (Unpublished study received Oct 10,
             1979 under 476-2156; prepared in cooperation with Reid Brothers and Univ. of
             Nebraska, submitted by  Stauffer  Chemical Co.,  Richmond,  Calif.; CDL:
             241117-A)

00035843    Trutter, J. A.; Lemen, J.; Howard, D.J.; et al. (1978) 56-Week Feeding Study in
             Rats: [Sutan Technical]: Project No. 132-135. Final rept.  (Unpublished study
             including letter, submitter summary, dated Jan 17, 1979 from D.R. Saunders to
             P.P. Smith, received Sep 26, 1979 under  476-2156; prepared by  Hazelton
             Laboratories American, Inc., submitted by Stauffer Chemical Co., Richmond,
             Calif.; CDL:241309-A)

00035844    Goldenthal, E.I.; Gunderson, G. (1979) Lifetime Oral Study in Mice: IRDC No.
             153-008.  (Unpublished study received Sep 26,  1979 under 476-2156; prepared
             by  International Research and Development  Corp.,  submitted  by  Stauffer
             Chemical Co., Richmond, Calif.; CDL:241038-A)

00036935    Atkins,  E.L.; Greywood,  E.A.;  and MacDonald, R.L.  (1975) Toxicity of
             Pesticides and other agricultural chemicals to honey bees.  Laboratory studies.
             Univ. of Calif., Div. Agric. Sci. Leaflet 2287. 38 pp.

00037762    Hoffman, L.; Doebler, T.; Parson,  W.; et al. (1976) Summary of Crop Residue
             Data for Sutan+:Atrazine 18:6-G on Corn. Unpublished study received Jan 29,
             1976 under 476-2103; prepared in cooperation with Rutgers, The State Univ. of
             New Jersey Crop Science Dept., submitted by Stauffer Chemical Co., Richmond,
             Calif.; CDL:224607-B)
                                         66

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00041699     Marxmiller, R.L.; O'Sullivan, R.; Lesh, M.;  et al.  (1980)  [Residue Study:
             Various Herbicides on Corn].  (Unpublished study received Aug 28, 1980 under
             476-2156;  prepared  in cooperation with Shell  Chemical and Agri-Research
             Associates,  Inc., submitted by  Stauffer Chemical  Co., Richmond,  Calif.;
             CDL:243177-E)

00043679     Stauffer Chemical Company (19??) Typical Purity Impurity Levels- for Sutan.
             (Unpublished study received Oct 17, 1980 under 4762156; CDL:243514-A)

00043680     Thomas, D.B.; Miaullis, J.B.; Vispetto, A.R.; et al. (1979) Metabolism of
             [Isobutyl-14C]Sutan in the Rat: Balance and Tissue Residue Study: MRC-B-97;
             MRC-79-12.  (Unpublished study received  Oct 17, 1980  under  476-2156;
             submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:243514-B)
00043681     Bova,  D.L.; DeBaun, J.R.; Petersen,  J.C.;  et  al. (1978)  Metabolism  of
             [Ethyl-14C]Sutan in  the  Rat:   Balance and  Tissue Residue:  MRC-B-77;
             MRC-78-03.  (Unpublished study received  Oct 17, 1980  under  476-2156;
             submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:243514-C)

00043682     Thomas,  D.L.B.;  Petersen, J.C.;  DeBaun,  J.R.   (1980)  Metabolism  of
             [l-14C-Ethyl]Sutan in the Rat: Urinary Metabolite Identification: MRC-B-106;
             MRC-80-05.  (Unpublished study received  Oct 17, 1980  under  476-2156;
             submitted by Stauffer Chemical Co., Richmond, Calif.; CDL:243514-D)

00043683     Thomas, V.M.; Holt, C.L. (1979) Behavior  of Sutan(R) in the Environment:
             MRC-B-76; MRC-78-02.  Rev. (Unpublished study received Oct 17, 1980 under
             476-2156;   submitted  by   Stauffer  Chemical   Co.,   Richmond,   Calif.;
             CDL:243514-E)

00043684     Thomas, V.M.; Holt, C.L.; Bussi, P. A. (1978?) Anaerobic Soil Metabolism of
             Sutan(R) Selective Herbicide: MRC-B-98; MRC-79-13. (Unpublished  study
             received Oct 17,  1980 under 476-2156;  submitted by Stauffer Chemical Co.,
             Richmond, Calif.; CDL:243514-F)

00063484     PPG Industries, Incorporated (19??) [Chemical Studies on Butylate].
             (Unpublished study received Apr 6, 1981 under 748-231; CDL:
             244788-A)

00063485     PPG Industries, Incorporated (1975) Analytical Method for Formulated Product:
             Determination of Butylate by High Pressure Liquid Chromatography.  Method
             Butylate EPA-2 (Tentative)  dated July  1975.  (Unpublished study received Apr
             6, 1981 under 748-231; CDL:244788-B)

00063486     Thompson,  G.W.;  Madison, W.A.;  Glaza, S.;  et  al. (1979) Acute  Oral
             Toxicity-Method, Summary, Pathology;  Raw Data Attached: Laboratory No.
                                        67

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             744849. (Unpublished study, including submitter summary, received Apr 6, 1981
             under 748-231; prepared by Raltech Scientific Services, Inc., submitted by PPG
             Industries, Inc., Barberton, Ohio; CDL:244788-C)

00063487    Raltech Scientific Services, Incorporated (1979) Acute Oral Toxicity-Method,
             Summary, Pathology; Acute Dermal Toxicity-Method, Summary,  Pathology;
             Primary Eye Irritation—Method, Summary; Primary Dermal Irritation—Method,
             Summary; Raw Data Attached: Laboratory No. 733422.  (Unpublished study
             received  Apr 6, 1981 under 748-231;  submitted by PPG Industries, Inc.,
             Barberton, Ohio; CDL:244788-D)

00063488    Freeman, J.J.; Salem, H.  (1980) Acute Inhalation Toxicity in Rats: Study #0334.
             (Unpublished study received Apr  6,  1981  under  748-231;  prepared  by
             Cosmopolitan Safety Evaluation, Inc.,  submitted by PPG Industries, Inc.,
             Barberton, Ohio; CDL:244788-E)

00064183    Dorman,  D.C.  (1976)  Determination  of  Residues  of  R-29148,  Eptam(R),
             Sutan(R),  and  Vernam(R)  in  Corn and  R-29148  in Soybeans  by  Gas
             Chromatography.  Method no. RRC 76-40 dated Sep 30, 1976.  (Unpublished
             study received Mar 31, 1981 under 100-597; prepared by Stauffer Chemical Co.,
             submitted by Ciba-Geigy  Corp., Greensboro, N.C.; CDL:099988-D)

00068699    Rummens,  F.H.A.;  Louman, F.J.A.  (1970)  Proton  magnetic  resonance
             spectroscopy of thiocarbamate herbicides.  Journal of Agricultural and Food
             Chemistry 18(6): 1161-1164. (Also In unpublished submission received Jun 23,
             1977 under 476-2182; submitted by Stauffer Chemical Co.,  Richmond,  Calif.;
             CDL:230714-E)

00074451    Lesh, M.R. (1979)  Determination of Residues of R-33865, EPTC,Butylate and
             R-25788 in Corn.   Method no. RRC 79-33 dated Nov2, 1979.  (Unpublished
             study received May 27, 1981 under 1F2456; submitted by Stauffer Chemical Co.,
             Richmond, Calif.; CDL:070113-C)

00090889     Stauffer   Chemical  Company  (1977)  [Corn   Residues  Data:   Fonofos].
             (Compilation;  unpublished  study received Oct  10,  1979 under 4762056;
             CDL:241112-H)

00093145    Stauffer Chemical Company (1968) [Crop Residue Reports: Sutan +Atrazine in
             Corn].  (Compilation; unpublished study, including FSDS  nos. B-0053, B-0989,
             B-0181..., received Nov  17, 1970 under 476-2024; CDL-.018022-A)

00093221    Stauffer Chemical Company (1980) [Tank mixes of Sutan, Aatrex,Bladex and
             Various Combinations Used in Fertilizers].  (Compilation;  unpublished study
             received Aug 28, 1980 under 476-2156; CDL:243117-C)
                                         68

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00093222    Stauffer Chemical Company (1968)  [Residues of Sutan and Atrazine in Corn].
             (Compilation;  unpublished  study,  including FSDS  nos. B-0053,  B-0989,
             B-0181..., received Nov 17, 1970 under 476-2024; CDL:018022-A)

00098255    PPG Industries, Incorporated (1982) Residue Studies with PPG-1292 in Corn to
             Description of the Analytical Method.  Includes method dated Mar 29, 1982.
             Compilation;  unpublished  study  received  Apr  5,  1982  under  2F2666;
             CDL:070756-B)

00109470    Stauffer Chemical Co. (1982) The results of Tests on the Amount and Nature of
             the Residue, and Analytical Methodology:  R-33865.  (Compilation; unpublished
             study received Aug 11, 1982 under 2E2742; CDL:071031-B) 00117892 Stauffer
             Chemical Co. (1972) The Results of Tests on the Amount of the Residue, and
             Analytical  Methodology:  [N,N-Diallyl Dichloroacetamide].    (Compilation;
             unpublished study received Oct 4, 1972 under 2E1273; CDL:091805-A)

00125678    Auletta, C.; Hogan,  G.; McCandless, J.; et al. (1982) A  Two Year Oral
             Toxicity/Carcinogenicity Study of R-1910 in Rats: Project No. 78-2169; T-6515.
             Final rept.  (Unpublished study received Jan 28, 1983 under 476-2156; prepared
             by Bio/dynamics, Inc.,  submitted by Stauffer Chemical Co.,  Richmond, CA;
             CDL:249390-A; 249391; 249392; 249393; 249394; 249395; 249396; 249397;
             249398; 249399; 249400; 249401; 249402; 249403)

00129397    Ross,  J.;  Bova-Thomas,  D.;  Osuna,  J.; et  al.  (1983)   Metabolism  of
             [l-Isobutyl-14C] Sutan in the Rat: Urinary Metabolite Identification: PMS-108.
             (Unpublished study received July 5, 1983 under 476-2156; submitted by Stauffer
             Chemical Co., Richmond, CA; CDL:250645-A)

00129398    Ross, J.; Bova-Thomas, D.; Baumgardner, M.;  et al.  (1983) Metabolism of
             [l-Isobutyl-14C] Sutan  in  Corn: PMS-127;  MRC-83-02.  (Unpublished study
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             Richmond,  CA; CDL:250645-B)

00131032    Downs, J.;  Greci, L.; Zwicker, G.; et al. (1983) A Teratology Study in CD Rats
             with Sutan Technical T-11713.  (Unpublished study received Sep 9, 1983 under
             476-2000; submitted by Stauffer Chemical Co., Richmond, CA; CDL:251187-A)

00131299    Beavers, J.; Jaber, M.; Joiner, G.; et al. (1983) A Dietary LC50 in the Mallard
             with Butylate: Project No. 145-117.  Final rept. (Unpublished study received Oct
             3, 1983 under 748-236; prepared by Wildlife International, Ltd., submitted by
             PPG Industries,Inc., Barberton, OH; CDL:251472-A)

00131300    Beavers, J.; Jaber, M.; Joiner, G.; et al. (1983) A Dietary LC50 in the Bobwhite
             with Butylate: Project No. 145-116.  Final rept. (Unpublished study received Oct
                                         69

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             3, 1983 under 748-236; prepared by Wildlife International, Ltd., submitted by
             PPG Industries, Inc., Barberton, OH; CDL:251472-B)

00149316    Sprague, G. (1980) Acute Delayed Neurotoxicity Study with Technical Sutan in
             Adult Hens: Report No. T-6801.   Unpublished study prepared by Stauffer
             Chemical Co. 56 p.

00149317    Jagannath, D. (1977) Mutagenicity Evaluation of Sutan Tech GGC-0301: Final
             Report: LBI Project No. 20838. Unpublished study prepared by Litton Bionetics,
             Inc.  11 p.

00149318    McAllister, W.; Cohle, P. (1984) Acute Toxicity of Sutan Technical to Bluegill
             Sunfish  (Lepomis  macrochirus):  Static  Acute  Toxicity  Report  # 31564.
             Unpublished study prepared by Analytical Biochemistry Laboratories, Inc. 52
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00149319    McAllister, W.; Cohle, P. (1984) Acute Toxicity of Sutan Technical to Rainbow
             Trout (Salmo gairdneri): Static Acute Toxicity Report # 31565. Unpublished
             study prepared by Analytical Bio-Chemistry Laboratories, Inc.  53 p.

00160548    Minor, J.  (1986) A Two-generation Reproduction  Study  in Rats with Sutan:
             T-11940. Unpublished study prepared by Stauffer Chemical Co. 1290 p.

00162707    Majeska, J.  (1985) Sutan Technical: Mutagenicity Evaluation in Salmonella
             typhimurium: Report  No. T-12684.  Unpublished  study prepared  by Stauffer
             Chemical Co.  17 p.

00162708    Majeska, J. (1986)  Sutan Technical:  Mutagenicity  Evaluation in  Mouse
             Lymphoma Multiple  Endpoint  Test: Forward  Mutation  Assay: Report No.
             T-12685. Unpublished study prepared by Stauffer Chemical Co. 26 p.

00162709    Majeska, J. (1986)  Sutan Technical:  Mutagenicity  Evaluation in  Mouse
             Lymphoma Multiple Endpoint Test:  Cytogenetic Assay:Report No.  T-12686.
             Unpublished study prepared by Stauffer Chemical Co.  19 p.

00162710    Majeska, J. (1985) Sutan Technical: Morphological Transformation of BALB/3T3
             Cells: Report No. T-12687. Unpublished study prepared by Stauffer Chemical
             Co.  12 p.

05001497    Sanders, H.O.  (1970) Toxicities of some herbicides to six species of freshwater
             crustaceans.  Journal of the Water Pollution Control Federation 42(8): 1544-1550.
                                         70

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05002372    Keith, L.H.;   Alford, A.L. (1970) The high  resolution  NMR spectra of
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05010440    Sparacino, C.M.; Hines, J.W. (1976) High-performance Liquid Chromatography
             of Carbamate Pesticides. Journal of Chromatographic Science 14(12):549-556.

05013158    Greenhalgh,  R.;  Cocchrane,  W.P.   (1974)  Optimisation   of the  sulphur
             phosphorous emission detector and comparision with the electrolytic conductivity
             detector to some sulphur-containing insecticides and herbicides.  International
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05018944    Hall, R.C.; Harris, D.E.  (1979)  Direct gas chromatographic determination of
             carbamate pesticides using Carbowax 20M-modified supports and the electrolytic
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40098001    Mayer, P.: Ellersieck, M. (1986) Manual of Acute Toxicity:     Interpretation
             and Data Base 410 Chemicals and 66 Species of Freshwater Animals.  US Fish
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40389101    Daly, I. (1987) A Twelve Month Oral Toxicity Study of Sutan Technical in Dogs:
             Project No.  85-2991:  Final Report.    Unpublished  study  prepared  by
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40389102    Wttczynski, S. (1987) A  Teratology  Study in Rabbits with Sutan Technical:
             T-12999: Final Report.  Unpublished study prepared by Stauffer Chemical Co.
             187 p.

40389111    Lee, K. (1987) Butylate-Hydrolysis and Aqueous Photolysis Studies: laboratory
             Project ID: RRC 87-101. Unpublished study prepared by Stauffer Chemical Co.,
             Richmond Research Center.  72 p.

40657401    Forbis, A. (1987) Uptake,  Depuration and Bioconcentration of[Carbon 14]-Sutan
             to Bluegill Sunfish (jlepomis macrochirus):Final Report #35817: Project# 140880.
             Unpublished study prepared by Analytical Bio-Chemistry Laboratories, Inc.  38
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40843901    Halls, T.;  Heitkamp, J. (1988)  The  Metabolism of [Carbon 14]-Butylate in
             Bluegill Sunfish  (Lepomis macrochirus): Final Report #36391.  Unpublished
             study prepared by Analytical Bio-Chemistry Laboratories, Inc. 35p.

41197301    Peffer, R.;  Campbell, D.   (1988)  Sutan  Metabolism  Study in Rats:Final
             Report:T-12977.  Unpublished study prepared by Environmental Health Center,
             Ciba-Geigy.  260 p.
                                          71

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41812201     McBain, B. (1989) Sutan (Butylate) Aerobic and Anaerobic Soil Metabolism: Lab
             Project Number: PMS-298/299: WRC-89-219.  Unpublished study prepared by
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41812202     Yen, S. (1987) Butylate Batch Equilibrium (Adsorption/Desorption) in Four Soils:
             Lab Project Number: PMS-274: MRC 87-30.  Unpublished study prepared by ICI
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41812203     Wyatt, N.; Higgle, B.; Hoag, R. (1989) Sutan 6. 7-E Field Dissipation Study for
             Terrestrial Food  Crop Uses Butylate, California 1988:  Lab Project Number:
             SUTA-88-SD-01: US02-88-103.  Unpublished study prepared by ICI Americas
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41812204     McKay, J. (1989) Sutan 6.7-E Field Dissipation Study for Terrestrial Food Crop
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             Unpublished study prepared by ICI Americas  Inc. 196 p.

41812205     Mckay,  J.  (1989) Butylate-Storage Stability Study: Crops  and Soil  Storage
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             78 p.

42123901     Javdani,  K.; Abbay,   G. (1991) Description  of  Beginning  Materials and
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             Lab Project Number: RR 91-087B. Unpublished study prepared by ICI Americas
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42123902     Abbay,  G. (1991) Analysis and Certification of Product Ingredients in Sutan
             Selective Herbicide: Lab Project Number: APP-0011: RR  91-061B.  Unpublished
             study prepared by ICI Americas Inc., Western Research  Ctr.  117 p.

42123903     Rattray, N.; Leah, A. (1991) Butylate: Skin Sensitization to the Guinea Pig: Lab
             Project Number:  CTL/P3422: GG 5290,  GG 5250. Unpublished study prepared
             by ICI (Macclesfield, UK).  24 p.

42123904     Canning, L.; Farmer, D. (1991) Butylate: A Glasshouse Study of Post Emergence
             Effects of the Formulation Sutan +6.7 E on Terrestrial Non-Target Plants: Lab
             Project  Number:  90JH196:  RJ0868B.  Unpublished  study  prepared  by  ICI
             Agrochemicals, Jealotts Hill (UK). 58 p.

42123905     Haag, W.; Mill, T. (1988) Photolysis of Butylate on Soil: Lab Project Number:
             SRI 5915-1: ICI ENV-008.  Unpublished study prepared by Americas, Inc.
             34 p.
                                         72

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42123906     McGahen, L. (1991) Volatility of [carbon 14] Butylate Applied to Soil: Lab
             Project Number:  PMS346: RR-91-009B.  Unpublished study prepared by ICI
             Americas Inc., Western Research Ctr. (Mtn. View & Richmond). 43 p.

42123909     Farmer, D.;  Tong, L. (1991) Butylate:  A Glasshouse Study of Pre Emergence
             Effects of an 803 g/litre Emulsifiable Concentrate Formulation on Terrestrial
             Non-Target Plants: Lab Project Number RJ1004B: 91JH217. Unpublished study
             prepared by ICI Agrochemicals, Jealotts'Hill (UK).  36 p.

42123910     Smyth, D.;  Tapp, L;  Sankey,  S.; et al.  (1991)  Butylate: Toxicity to the
             Blue-green  Alga,  Anabaena-floss: Lab  Project No:   T387/H  (FT29/91);
             BL4175/B.  Unpublished study prepared by ICI (Brixham, UK). 25 p.

42123911     Smyth, D.; Tapp, J.; Sankey, S.; et al. (1991) BL4171/B: Butylate: Toxicity to
             the Duckweed (Lemna gibba): Lab Project No: BL4171/B : T387/F (FT27/91).
             Unpublished  study prepared by Imperial Chemical Industries PLC.  25 p.

42123912     Smyth, D.; Tapp, J.; Sankey, S. (1991) BL4152/B: Toxicity to the Marine Alga,
             Skeletonema   costatum:  Lab  Project  Number:  BL4152/BT387/J(FT31/91).
             Unpublished  study prepared by Imperial Chemical Industries PLC.  22 p.

42123913     Smyth, D.;  Tapp,  J.; Sankey, S.; et al.  (1991) BL4148/B:  Toxicity to the
             Freshwater Diatom Navicula peUiculosa: Lab Project Number T387/I (FT30/91):
             BL4148/B.  Unpublished study prepared by Imperial Chemical Industries PLC.
             22 p.

42123914     Smyth, D.; Tapp, J.; Sankey, S.; et al.  (1991) BL4150/B: Butylate:Toxicity to
             the Green Alga Selenastrum capricornutum: Lab Project Number: BL4150/B: T38
             7/G (FT28/91). Unpublished study prepared by Imperial Chemical Industries
             PLC.  22 p.

42126301     Roper, E. (1991) Sutan plus (Butylate)--Magnitude of the Residues of Butylate on
             Processed Commodities of Field Corn Grain from Wet and Dry Milling: Lab
             Project Number: SUTA-90-PR-01: RR 91059B. Unpublished study prepared by
             ICI Americas Inc., Western Research Center.  121 p.

42126302     Dorman,  D.  (1982) Determination of Butylate Residues in Corn  and Soils:
             Addendum to Report # RR 91-059B: Lab Project No:  82-53. Unpublished study
             prepared by Stauffer Chemical Co., (ICI Americas).   16 p.

42182201     Ericson, J. (1991) Butylate: Physical Properties: Lab Project Number: ENV-031:
             RR-90-423B. Unpublished study prepared by ICI Americas, Inc.  57 p.
                                         73

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42214301     Tapp, J.; Sankey, S.; Gaunter, L;  (1990) Butylate:  Determination of Acute
             Toxicity to Sheephead minnow (Cyprinodon variegatus): Lab Project Number:
             T387/A/FT70/90: BL3923/B. Unpublished study prepared by Imperial Chemical
             Industries PLC. 19 p.

42214302     Tapp, J.; Maddock,B.; Gaunter, J.; et al. (1990) Butylate:Chronic Toxicity to
             Fathead Minnow (Pimepjales  promelas) Embryos and Larvae: Lab  Project
             Number: BL3955/B: FT71/90: T387/B. Unpublished study prepared by Imperial
             Chemical Industries PLC.  54 p.

42389401     Rogers, K.;  Parr-Dobrzanski,  R. (1992) Butylate: 4-Hour Acute Inhalation
             Toxicity  Study  in the  Rat:  Lab  Project  Number:CTL/P/3726:  HR2116.
             Unpublished study prepared by ICI, Alderley Park, UK.  66 p.

42406401     Roper, E. (1992) Sutan+-Magnitude of the Residues of Butylatein Sweet Corn
             Kernels and Cannery Waste: Lab Project Number:BUTY-91-PR-01: RR 91-075B.
             Unpublished study prepared by ICI Americas, Inc. 69 p.

42448701     Roper, E. (1992) Butylate Corn Grain Processing Study: Addendum #1 [Response
             to EPA Review Comments]: Lab Project Number: ER/WRH-82092. Unpublished
             study prepared by ICI Americas. 7 p.

42694001     Diaz, D.; Tarr, J.   (1993) Uptake  and Metabolism of (isobutyl-l-(carbon
             14))Butylate Residues from Soil by Confined  Rotational Crops: Lab  Project
             Number: PMS 340: RR 92-102B. Unpublished  study prepared by Zeneca Inc.,
             Western Research Center.  156 p.

42764701     Jadvani, K. (1993) Description of Beginning Materials and Manufacturing Process
             and Discussion of the Formation of Impurities for Sutan: Lab Project Number:
             RR 91-087B  ADD 1. Unpublished study prepared by  Zeneca Ag  Products,
             Western Research Center.  10 p.

42764702     Farina, L. (1993) Analysis and Certification of Product Ingredients in SUTAN
             Selective Herbicide: Lab Project Number: RR 91-061B RES.  Unpublished study
             prepared by Zeneca Ag Products, Western Research Center.  79 p.

42773601     Sankey, S. (1993)  Butylate:  Fish  Early Life-Stage Toxicity  Test  Guideline
             Reference 72-4A: Addendum # 1 to MRID # 42214302 Response to EPA Review
             Comments: Lab Project Number: BRIX-051393: 051393.   Unpublished study
             prepared by ICI PLC, Brixham Lab. 9 p.
                                        74

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         APPENDIX D
Ust of Available Related Documents
              75

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                                   APPENDIX D


The following is a list of available documents related to butylate. Its purpose is to provide a
path to more detailed information if it is required.  These accompanying documents are part of
the Administrative  Record for butylate  and are included in the EPA's  Office of Pesticide
Programs Public Docket.

       1.     Health and Environmental Effects Science Chapters

       2.     Detailed Label Usage Information System (LUIS) Report

       3.     Butylate RED Fact Sheet (included in this RED)

       4.     PR Notice 91-2 (Included in this RED) Pertains to the Label Ingredient Statement
Federal publications on butylate are available and may be purchased from the National Technical
Information Service (NTTS), 5285 Port Royal Road, Springfield, VA 22161.

       1.     Guidance for the Reregistration of Pesticide Products Containing Butylate as the
             Active Ingredient (The  1983 Registration  Standard):   NTIS Stock No. PB85-
             147304

       2.     Pesticide Fact Sheet (No. 6) for butylate: NTIS Stock No. PB87-108940
                                         76

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               UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

                            WASHINGTON, D.C. 20460
                                                         OFFICE OF
                                                     PREVENTION, PESTICIDES
                                                     AND TOXIC SUBSTANCES
                          PR NOTICE 91-2

         NOTICE TO MANUFACTURERS, PRODUCERS,  FORMULATORS,
                  AND REGISTRANTS  OF PESTICIDES

ATTENTION: Persons Responsible for Federal Registration  of
Pesticide Products.

SUBJECT: Accuracy of Stated Percentages for Ingredients
Statement

I. PURPOSE:

     The purpose of this notice  is to clarify the Office of
Pesticide Program's policy with  respect to the statement of
percentages in a pesticide's  label's ingredient statement.
Specifically, the amount  (percent  by weight) of ingredient(s)
specified in the ingredient statement on the label must  be stated
as the nominal concentration  of  such ingredient (s), as that term
is defined in 40 CFR 158.153 (i) . Accordingly, the Agency has
established the nominal concentration as the only acceptable
label claim for the amount of active ingredient in the product.

II. BACKGROUND

     For some time the Agency has  accepted two different methods
of identifying on the label what percentage is claimed for the
ingredient(s) contained in a  pesticide. Some applicants  claimed  a
percentage which represented  a level between the upper and the
lower certified limits. This  was referred to as the nominal
concentration. Other applicants  claimed the lower limit  as the
percentage of the ingredient (s)  that would be expected to be
present in their product at the  end of the product's shelf-life.
Unfortunately, this led to a  great deal of confusion among the
regulated industry, the regulators, and the consumers as to
exactly how much of a given ingredient was in a given product.
The Agency has established the nominal concentration as  the only
acceptable label claim for the amount of active ingredient in  the
product.

     Current regulations require that the percentage listed in
the active ingredient statement  be as precise as possible
reflecting good manufacturing practices 40 CFR 156.10(g)(5). The
certified limits required for each active ingredient are intended
to encompass any such "good manufacturing practice" variations 40
CFR 158.175(c) (3) .

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The upper and lower certified limits, which must be proposed in
connection with a product's registration, represent the amounts
of an ingredient that may legally be present 40 CFR 158.175. The
lower certified limit is used as the enforceable lower limit for
the product composition according to FIFRA section 12(a)(1)(C) ,
while the nominal concentration appearing on the label would be
the routinely achieved concentration used for calculation of
dosages and dilutions.

     The nominal concentration would in fact state the greatest
degree of accuracy that is warranted with respect to actual
product composition because the nominal concentration would be
the amount of active ingredient typically found in the product.

     It is important for registrants to note that certified
limits for active ingredients are not considered to be trade
secret information under FIFRA section 10(b). In this respect the
certified limits will be routinely provided by EPA to States for
enforcement purposes, since the nominal concentration appearing
on the label may not represent the enforceable composition for
purposes of section 12(a)(1)(C).

III. REQUIREMENTS

     As described below under Unit V. " COMPLIANCE SCHEDULE," all
currently registered products as well as all applications for new
registration must comply with this Notice by specifying the
nominal concentration expressed as a percentage by weight as the
label claim in the ingredient (s) statement and equivalence
statements if applicable (e.g., elemental arsenic, metallic zinc,
salt of an acid) . In addition,  the requirement for performing
sample analyses of five or more representative samples must be
fulfilled. Copies of the raw analytical data must be submitted
with the nominal ingredient label claim. Further information
about the analysis requirement may be found in the 40 CFR
158.170. All products are required to provide certified limits
for each active, inert ingredient, impurities of -toxicological
significance(i.e., upper limit(s) only) and on a case by case
basis as specified by EPA. These limits are to be set based on
representative sampling and chemical analysis(i.e., quality
control) of the product.

     The format of the ingredient statement must conform to 40
CFR 156-Labeling Requirements For Pesticides and Devices.

     After July 1, 1997, all pesticide ingredient Statements must
be changed to nominal concentration.

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IV. PRODUCTS THAT REQUIRE EFFICACY DATA

     All pesticides are required to be efficacious. Therefore,
the certified lower limits may not be lower then the minimum
level to achieve efficacy. This is extremely important for
products which are intended to control pests which threaten the
public health, e.g.,  certain antimicrobial and rodenticide
products. Refer to 40 CFR 158.640.

     In those cases where efficacy limits have been established,
the Agency will not accept certified lower limits which are below
that level for the shelf life of the product.

V. COMPLIANCE SCHEDULE

     As described earlier, the purpose of this Notice is to make
the registration process more uniform and more manageable for
both the agency and the regulated community. It is the Agency's
intention to implement the requirements of this notice as
smoothly as possible so as not to disrupt or delay the Agency's
high priority programs, i.e., reregistration, new chemical, or
fast track (FIFRA section 3(c) (3) (B) . Therefore,
applicants/registrants are expected to comply with the
requirements of this Notice as follows:

     (1)  Beginning July 1, 1991, all new product registrations
          submitted to the Agency are to comply with the
          requirements of this Notice.

     (2)  Registrants having products subject to reregistration
          under FIFRA section 4(a) are to comply with the
          requirements of this Notice when specific products are
          called in by the Agency under Phase V of the
          Reregistration Program.

     (3)  All other products/applications that are not subject to
          (1) and (2)  above will have until July-1, 1997, to
          comply with this Notice. Such applications should note
          "Conversion to Nominal Concentrations on the
          application form. These types of amendments will not be
          handled as "Fast Track" applications but will be
          handled as routine requests.

VI. FOR FURTHER INFORMATION

Contact Tyrone Aiken for information or questions concerning
this notice on (703)  308-7031.
                                 Ann* E. tindaay, Director
                                 Registration Division (H-7505

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         APPENDIX E
Pesticide Reregistration Handbook
              77

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          United States    Office of
          Environmental Protection Pesticide Programs
          Agency
                 October 1991
&EPA
Pesticide
Reregistration
Handbook
          How to Respond to
          the Reregistration
          Eligibility Document
          (RED)
                          Printed cr. '"••••:: .>-.7-'?

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    PESTICIDE REREGISTRATION HANDBOOK
          HOW TO RESPOND TO THE




REREGISTRATION ELIGIBILITY DOCUMENT  (RED)
       OFFICE OF PESTICIDE PROGRAMS




     ENVIRONMENTAL PROTECTION AGENCY




               OCTOBER 1991
                                           Printed on

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                 PRODUCT REREGISTRATION HANDBOOK





                        TABLE OP CONTENTS



I.   Introduction



     A.  Purpose and Content  .                         1



     B.  Reregistration Eligibility Document           1



     C.  Reregistration Process                        1



II.  Instructions for Responding



     A.  How and When to Respond                       2



     B.  When No Response Is Needed                    5



     B.  Where to Respond                              6



III.  Submission of Data and Labels/Labeling



     A.  Generic Data                                  6



     B.  Product Specific Data                         7



          1.  Product Chemistry                        7



          2.  Acute Toxicity                           8



          3.  Product Performance    ,                  9



     C,  Labels/Labeling                              10



Appendix



     A.  Confidential Statement of Formula and Instructions



     B.  Label Contents



     C.  Sample Label Formats—General Use & Restricted Use



     D.  Label Regulations  (40 CFR 156.10)

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               PESTICIDE REREGISTRATION HANDBOOK

I.  INTRODUCTION

     A.  Purpose and Content of this Handbook

     This Handbook provides instructions to registrants on how to
respond  to  the  Reregistration  Eligibility Document  (hereafter
referred to as the "RED") and how to reregister products.

     Section I is this introduction.

     Section II contains  step-by-step  instructions  which must be
followed by registrants responding to the RED.

     Section III provides  additional  instructions on the format,
content and  other aspects  of  generic  data,  product  specific data
and labels/labeling which may be required to be submitted.

     Detailed instructions are in the Appendix.

     B.  The Reregistration Eligibility Document (RED)

     Under Section  4 of  the  Federal Insecticide,  Fungicide and
Rodenticide Act  (FIFRA),  as amended in 1988,  EPA is required to
reregister pesticides that were first registered before November 1,
1984.  The RED describes in detail the subject chemical, its uses
and its regulatory history; describes EPA's decision  concerning the
eligibility  of the  uses of the  chemical  for reregistration; and
explains the scientific and regulatory bases  for this decision.
EPA's reviews1 of the data by  scientific discipline  are available
upon request.  Appendices to the RED contain:  (1)  a Data Dall-In
Notice which requires submission of generic and product specific
data and which gives directions  for responding,  (2) a listing of
existing studies that satisfy generic data requirements and  (3) a
bibliography of the generic studies EPA has reviewed.

     C.  The Rereqistration Process

     Reregistration  involves  a thorough review of the scientific
data base underlying a  pesticide's  registration.  The purpose of
EPA's review is to reassess the potential  hazards arising from the
currently registered uses  of  the pesticide, to determine whether
the  data base is  substantially  complete or  there is  need for
additional generic data, and to determine  whether the pesticide is
eligible for reregistration.  This decision  is  issued as the  RED.
        EPA's  science reviews and  information  on the registered
uses  considered for  EPA's analyses may  be obtained  from:  EPA,
Freedom of Information, 401 M St.,  S.W., Washington, D.C. 20460.

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     If the RED declares that some or all uses of the chemical are
eligible  for  reregistration,  affected  registrants  must  first
respond within 90 days of receipt to the data  call-in portion of
the RED.  Within 8 months of receiving the RED,  registrants must
submit  or  cite any  data  and labels/labeling  required for each
product.  EPA has until 14 months after  the RED is issued  (i.e.,
6 months after the  registrants'  8 month deadline) to review the
submission  for each  product  and  decide  whether to reregister it
based on the following criteria:

     —whether all of the product  specific data and labels/label ing
      are acceptable,

     —whether all  of the  uses on the label/labeling are eligible,

     —whether all of the active  ingredients  in the product are
      eligible, and

     —if no List 1 toxic inert ingredient is contained in the
       product  (a List 1 inert is permitted  only if all data
       for  it have been submitted and EPA determines
       that the inert does not pose any  unreasonable adverse
       effects in that product).

     Products   which  meet  all  of  these   criteria  will  be
reregistered.   Products which do  not meet all  of these criteria,
but which have acceptable  product specific data and labeling, will
be processed as amendments in order  to implement  label  changes
required by the RED..

II.  INSTRUCTIONS FOR RESPONDING

     A.  How and When to Respond

     This  section  provides directions for submitting timely and
adequate responses necessary to reregister products containing the
active  ingredient  covered by the RED.   Registrants must  follow
these steps exactly to avoid suspension of  their products.  All
products  containing  the  active  ingredient  in  the  RED  [i.e.,
manufacturing use products,  end use products and special local need
(SLN or Section 24c)  registrations] are subject to the requirements
of the  RED.  Figure 1 summarizes how and when to respond  to the
RED.  A step-by-step explanation  follows.

     Step  1.   Are  Expedited Label  Changes  Required?   In  some
instances,  EPA  may  conclude  that  certain  changes  to  product
labels/labeling must be implemented rapidly.   If  the RED  requires
expedited label/labeling changes,  registrants must submit the items
below by  the deadline specified in the RED.   If expedited label
changes are not required, go to Step 2.

     a.   Application for Registration (EPA Form 8570-1) .  Complete

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 and sign the form.   In Section  II,  insert the phrase "Expedited
 Amendment  in Response  to  the Reregistration Eligibility Document
 for (insert  case name for  chemical)."  Applications  for expedited
 label  changes  will be  processed  as  applications  for   amended
 registration.   Use  only an original  application  form with a red
 identifier number in the upper right-hand corner.

     b.   Five  (5)  copies of  revised draft label  and labeling.
 Refer  to  the  RED  for  label/labeling  changes  and  follow  the
 instructions in Section III.C. and  the Appendix of this Handbook
 for revising the label and labeling for each product.

     Step 2.  Are data required?  If the RED requires generic or
 product  specific data, you must follow the directions in the data
 call-in  notice  in the RED.   All  registrants must respond  for all
 products within 90 days of receipt; products  for which an adequate
 response is not received on time will  be subject to suspension. No
 time extensions will be given for responding within 90 days.

     Step 3.   Are Uses of a Pesticide Eligible  for Rereqistration?
 If  any uses of the active ingredient(s)  covered by  the  RED are
 eligible for reregistration,  follow these instructions.  If  no uses
 are  eligible, no further response may be needed (see page  5) .

     EPA's decision on the eligibility of each of the uses of the
 active ingredient (s) is presented in the RED... If  any uses of a
 chemical  are  eligible   for  reregistration,"  registrants  for
 manufacturing-use  products  (MPs),   end-use  products   (EPs)  and
 special  local needs registrations  (SLNs), must  submit the items
 below for each product within 8 months of the date of issuance of
 the  RED:

     a.   Application for  Reregistration (use  EPA  Form 8570-1).
 Complete and sign the form.   In Section II of that form, check the
 box "Other"  and  insert the  phrase "Application for Reregistration."
 Use only an original application f,orm  with a red identifier number
 in the upper right-hand corner.

     b.   Five  (S)  copies of  revised draft label  and labeling.
 Refer  to the RED  for labeling  changes specific  to  the  active
 ingredient,   follow  the instructions  in Section  III.C. of this
 Handbook and refer to the Appendix of this Handbook for guidance on
 current -requirements for labels and  labeling.  If there are
 ineligible uses on the label  or labeling, you may delete such uses
 and avoid all requirements and consequences which may be associated
with ineligible  uses (e.g,  generic data requirements, cancellation,
 suspension,  etc.) .    if you delete certain uses now and those uses
become  eligible for  reregistration  later,  you  must submit  an
amendment application to add  those uses back to the label.

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FIGURE 1.  HOW AND WHEN TO RESPOND TO THE REREGISTRATION
           ELIGIBILITY DOCUMENT  (RED) FOR MANUFACTURING USE
           PRODUCTS  (MPS), END-USE PRODUCTS  (EPS) and SPECIAL
           LOCAL NEEDS .REGISTRATIONS  (SLNs) .
     STEP 1:   Are expedited label revisions required?

                       Yes      .S   No

               Submit application
               and labels on
               expedited schedule
               specified in RED.
     STEP 2:
     STEP 3:
Are data required?

        Yes     .S    No
              If
Submit forms within
90 days for generic
and product specific
data.
Are any of the uses on the label
eligible for reregistration?
                             Yes
               Are  any uses on the  label
               ineligible  for reregistration?
           No
For each HP & EP
& SLN  (24c) submit
application within
8 months.  If
the submission
is acceptable,
the label will be
stamped accepted
as an amendment.
No reregistration
will be issued.
                       Yes

               Do you  wish to
               delete  ineligible
               uses  from label?
        Yes
                      No
       For each HP & EP
       & SLN  (24c) submit
       application within
       8 months.  If
       the submission
       is acceptable,
       the label will be
       stamped accepted
       and a notice of
       reregistration
       will be issued.
No further response
necessary.  Await
the outcome of
EPA's review.

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     c.   Product Specific Data.  You must follow the instructions
in the Data Call-in Notice in the RED  and  in Section III of this
Handbook.  Responses to the data call in are  due within 90 days of
receipt of the RED and submission or citation of data is due within
8 months of the issuance of the RED.

     d.   Two  (2) copies of the current Confidential Statement of
Formula (EPA Form 8570-4,  revised February 85).  Two completed and
signed CSF forms must be  submitted  for the  basic formulation and
for each alternate formulation.   If CSFs are not provided for the'
alternate  formulas,  they will not  be reregistered and will  no
longer be acceptable.  The Appendix of this Handbook has specific
instructions for completing the CSF form.

     e.  Certification With Respect to Citation of Data (EPA Form
8570-31).  This form must be completed, signed and submitted for
each product  to  assure that  the data  compensation provisions  of
FIFRA are met.

     B.  When No Response is  Needed

     If no uses of a pesticide are eligible for reregistration,  it
is unlikely that you will be required  to submit product specific
data or labeling.    Uses of  an active ingredient may be declared
ineligible for reregistration for two possible reasons:

     —Available data indicate that one or more -of the criteria for
an in-depth special  review have been met;

     —Additional generic data are required.

     In the first  instance, if the active ingredient is placed into
special review,  reregistration  activities  associated  with those
uses  of  the  chemical  are  stopped  until  EPA  makes  a  final
determination.  At that time,  EPA will indicate which uses may be
eligible for reregistration and which uses are to be cancelled.  If
some or all of the previously ineligible uses become eligible for
reregistration, EPA  will  start  the  reregistration process  for
products containing  only eligible uses.

     In the second instance,  based upon the review of studies for
an active ingredient during reregistration, additional generic data
(e.g.,  second- or third-tier studies) may be  needed  (see the RED).
In  such cases,  the ' chemical's  uses  will   not  be eligible  for
reregistration  until  the  additional  generic  data  have  been
submitted to and reviewed and found acceptable by EPA.  If the data
are reviewed and found to be acceptable, EPA will indicate which
uses will  be eligible   for  reregistration and ' will  initiate
reregistration of products containing previously ineligible uses.
If the  data are  not submitted,  products  containing  the  active
ingredient may be suspended.

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     C.  Where to Respond

By U.S. Mail:

     Document Processing Desk  (insert distribution code)
     Office of Pesticide Programs (H7504C)
     Environmental Protection Agency
     401 M Street, S.W.
     Washington, D.C. 20460-0001

By express mail or by hand delivery:

     Document Processing Desk  (insert distribution code)
     Office of Pesticide Programs (H7504C)
     Room 266A, Crystal Mall 2
     1921 Jefferson Davis Highway
     Arlington, VA 22202

     These mailing addresses and the following distribution codes
must be used to assure  the timely receipt and processing of your
submissions.  Not using them may significantly delay the handling
of your submissions:

     RED-SRRD-xxx (where xxx is the case code given on the front of
the RED)—use this distribution code for all responses pertaining
to or containing generic data.  Such responses include the 90-day
response forms for generic data or hard copies of generic data.

     RED-RD-PMxx  (where xx is the Product Manager team number)—
use this  distribution  code  for all  responses pertaining  to  or
containing product specific data or labeling.  Such responses would
include expedited labeling amendments,  90-day responses to product
specific data requirements,  hard  copies of product specific data
and applications for reregistration.
III.  SUBMISSION OF DATA AND LABELS/LABELING

     This  section  provides  additional  instructions  concerning
responses required for generic  data,  product  specific  data and
labels/labeling.

     A.  Generic Data

     During  EPA's  evaluation  of  an  active  ingredient  for
reregistration,  additional  generic  data  requirements  may  be
identified that registrants must fulfill.   In  some instances these
data requirements  would have to be  satisfied before  an active
ingredient or  some of  its uses  could  be  declared  eligible for
reregistration.  In other cases,  these new data  requirements would
not affect the eligibility of the active  ingredient, but would be
necessary to confirm EPA's assessment of  that chemical.

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     Any new data requirements and how they affect reregistration
eligibility of a chemical are discussed in the RED.  If new generic
data requirements are imposed in a Data Dall-In Notice in the RED,
registrants must respond as described in that Notice.  The RED also
contains instructions  for completing these forms, a citation of
EPA's legal  authority for  requiring the new data,  a  listing of
options  available   to  registrants  for   satisfying   the  data
requirements and the name of the contact person for inquiries.

     B.   Product Specific Data

     Product specific data may be required for the reregistration
of each pesticide product in three areas—product chemistry, acute
toxicity and efficacy.

     1.   Product Chemistry

     Following  are  instructions  for submitting product-specific
data and a discussion of EPA's policy on inert ingredients.

          a.  Data

     All data  requirements  for  MPs,  EPs  and  SLNs  (24c's)  are
specified in the Data Call-in Notice in the RED.  In addition:

     —If  you  cite  data   from  another  identical,  registered
product, you  must identify  the  EPA registration number  of that
product.

     —If  the  product-specific  data submitted  or  cited  do  not
pertain to an  identical  formulation to the product submitted for
reregistration, then new product-specific data are required to be
submitted by  the deadline specified in  the Data Call-in Notice.
The only exception  is  for products which EPA "groups" together a
being similar enough to  depend  on the same data.  Such.groupings
are discussed  in  the appendix  to  the  RED  (for  acute toxicity
purposes, for example), if  it was feasible to do so.

          b.  Inert Ingredients

     EPA  has   implemented  a  strategy   for  regulating  inert
ingredients which affects the reregistration of pesticide products.
This strategy,  issued on April 22,  1987  (52  FR 13305-13309)  and
updated on November 22, 1989  (54  FR  48314-48316), adopted certain
policies designed to reduce the potential for  adverse effects from
pesticide   products   containing    intentionally   added   inert
ingredients.   EPA divided the known inert ingredients into four
categories:

     —Inerts of toxicological concern  (List 1) for which available
data  demonstrate toxic  effects  of concern  (includes  about 50
chemicals).

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     —Potentially toxic  inerts  (List  2)  for which only  limited
data are available, but such data or the chemical-structure suggest
the potential for toxicity (includes  about 60 chemicals).

     —Inerts of unknown  toxicity  (List  3)  for which no  data  or
bases for suspecting toxic effects are available  (includes  up  to
2,000 chemicals).

     —Inerts  of minimal concern  (List   4)  which are  generally
regarded as innocuous (includes about 290 chemicals).

     When a RED is issued and any uses of an active ingredient are
declared eligible for reregistration, all products containing that
active ingredient will be subject to reregistration.  EPA will,  as
part of the  reregistration review, examine the inert ingredients of
each product  prior  to reregistration to  ensure that they do not
present unreasonable  risks.   In reviewing the product  chemistry
data,  EPA will  identify  List 1  inerts.   EPA  will continue  to
encourage registrants to eliminate  any   List  1  inerts  present.
Reregistration of products containing only List 2,  3  or 4 inerts
will be unaffected by the inerts strategy.

     Consistent with the  strategy on inerts,  a product containing
a List  1 inert ingredient will not be reregistered until a full
risk assessment  of  the product has been  conducted, based on the
data called in for  that inert ingredient. However,  the existing
registration  of  a  product containing a List 1  inert  will remain
valid as long as the product bears the required label warning and
is in compliance with any outstanding DCI, or other activity under
the inerts  strategy.

     Any  product  containing a  List  2,  3  or  4  inert may  be
reregistered if it meets all other requirements for reregistration.
As the inerts strategy  is implemented and data for the List 2 and
3  inerts are reviewed,  EPA may move  these  inerts to  the other
Lists.  If an inert were moved to List 1,  products containing that
inert   would   become   ineligible  for   reregistration.     Inert
ingredients must  also meet normal  registration and  tolerance
requirements, as applicable.

     2.  Acute Toxicitv

     The  data  call-in notice  in the  RED  specifies  the acute
toxicity  data required for reregistration of each MP  or EP.   It
indicates whether any of  the standard tests  have  been waived and,
if so, why.

     If  feasible, EPA will "batch" products  that  are similar with
respect  to their  acute  toxicity  so that one  set of  tests  can
support  reregistration  of each baatch of  products.  This  approach
will  impose the least  amount  of testing-necessary to  adequately
support the registration  and labeling for pesticide products.   The

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main benefits of this  approach are to minimize the need for animal
testing, reduce the expense to registrants to generate the tests
and  decrease the  resources  EPA must  spend  on reviewing  data.
Registrants may contact other registrants with products  in the same
"batch" to decide whether to provide or depend on one set of data;
alternatively, registrants may choose to conduct their own studies.

     3.  Product Performance

     Consult  the  Data Call-in section of the  RED to determine
whether Product Performance data  are required.for your product.

     Product performance (efficacy)  data are  generated in studies
designed to document how candidate  pesticide  formulations perform
as pest control agents.   These data include tests run to determine
whether  a  formulation  is  lethal  to  certain  pest  species,  to
document the effectiveness of the formulation in controlling pest
species in actual use  situations, and to determine whether certain
claims beyond mere control  of a pest  (e.g.,  "six-month residual
effect,"    "kills  Warfarin resistant  house  mice," -etc.)  are
justified.

     EPA  has standard protocols for  certain efficacy  tests.  In
general, standard methods have been developed for tests needed to
substantiate  claims that have been  made frequently for pesticide
products.  As the  scope of potential pesticidal claims is extremely
broad, the Agency does not have standard methods for tests needed
to substantiate many  pesticide claims,  especially those that are
uncommon.  The Product Performance Guidelines, Subdivision G, offer
general  guidance  for  developing protocols for  efficacy testing.
Proposed  protocols should  be submitted to EPA  for review before
tests are initiated.

     a.  Efficacy  Data Submission Waiver Policy

     FIFRA gives the Administrator  of EPA authority "to waive data
requirements  pertaining  to efficacy"  but  does  not  require that
efficacy  data requirements  be waived for any  class  of pesticide
product  registered under Section 3 of  the  Act.   As  a matter of
policy, EPA does not require submission of efficacy data to support
many types of pesticidal  claims but does require submission of such
data for certain types of claims.  As noted in 40 CFR 158.640, this
waiver  applies to the submission of efficacy data rather than to
the  generation of efficacy  data.   EPA expects each registrant to
"ensure through testing that his products are efficacious when used
in accordance with commonly accepted pest control  practices."

     This  general policy notwithstanding,  EPA  may,  at any time,
require  a registrant  to  submit efficacy data to  support any claim
made for a  product.   EPA also may  require that  certain  claims of
effectiveness be established before a  Section  3  registration is
granted.

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                                10

     b.  Claims and Products for Which Efficacy Data Generally
          Are Required

     Submission of  efficacy data at  reregistration  typically is
required for the following types of products:

          1.   products claimed to control microorganisms that
               pose potential threats to public health;

          2.   products claimed to  control  vertebrate pests that
               may  directly or  indirectly  transmit  diseases to
               humans;

          3.   potentially very hazardous products  for which EPA
               determines that it is necessary to conduct a "risk-
               benefits" analysis;

          4.   products of types for which EPA has reasons (e.g.,
               consumer complaints,  unlikely claims,  unusual use
               patterns, etc.) to question claims; and

     C.  Labels and Labeling

     To remain in compliance with FIFRA,  the label and labeling of
each  product  must  be  revised  to  meet   the requirements  for
reregistration  as  described  below.    "Labeling"  includes  the
container label  and -any written, printed or graphic matter that
accompanies the pesticide  in U.S. commerce  at any  time (such as
technical bulletins, collateral labeling, etc.).  Applications for
new uses or labeling changes that do not  pertain to reregistration
must be filed  separately  from the application for reregistration
described in Step  3 earlier.  Changes to labeling  which must be
made for reregistration include, but are not  limited  to:

     1.  Labeling changes specified  in the RED.  Such changes may
include  statements,  on  RESTRICTED  USE,   groundwater  hazards,
protective clothing/equipment,  endangered species,  environmental
hazards, etc.

     2.  The format and content of labeling  as described in 40 CFR
156.10.   When  further acute  testing  is  needed,  the currently
accepted precautionary  statements  will  usually be retained until
testing is completed and the data are reviewed.

     3.  Labeling  changes required  by  Pesticide Regulatory  (PR)
Notices, regulations, regulatory decisions  and policies issued by
EPA which are relevant to the pesticide.  Your product's labeling
must reflect any applicable  requirements  which are in effect at the
time the RED is issued.  Some existing notices are referred to in
Section B.  of the Appendix.

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APPENDIX
A.  Confidential Statement of Formula and Instructions
B.  Instructions for Label Contents
C.  Sample Label Formats—General Use & Restricted Use
D.  Label Regulations  (40 CFR 156.10)

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     Instructions  for Completing  the Confidential  Statement  of
Formula

     The Confidential Statement of Formula  (CSF)' Form 8570-4 must
be used.  Two legible, signed copies of the form are required.
Following are basic instructions:

     a.  All the blocks on the form must be filled in  and  answered
completely.

     b.  If any block is  not applicable, mark it N/A.

     c.  The CSF must be signed,  dated and the telephone number of
the responsible party must be provided.

     d.   All  applicable  information  which is  on  the  product-
specific data submission  must also be  reported on the CSF.

     e.  All weights  reported  under item 7  must be in pounds per
gallon for liquids and pounds per cubic feet for solids.

     f.   Flashpoint  must  be  in  degrees  Fahrenheit and  flame
extension in inches.

     g.  For all active ingredients, the EPA Registration Numbers
for the currently registered source products must be reported under
column 12.

     h.   The Chemical  Abstracts Service ..(CAS)  Numbers  for all
actives and inerts and all common names for'the  trade  names must be
reported.

     i.   For the  active  ingredients,  the percent purity  of the
source  products must be reported  under column  10  and  must  be
exactly the same as on the source product's label.

     j.  All the weights in  columns  13.a.  and  13.b. must  "be  in
pounds, kilograms, or grams.   In no case will volumes be accepted.
Do  not mix  English' and  metric system  units  (i.e.,. pounds and
kilograms).

     k.  All the items under column 13.b. must total 100 percent.

     1.  All  items under columns 14.a.  and 14.b.  for the active
ingredients must represent pure active form.

     m.  The upper and  lower certified limits  for all active and
inert ingredients must follow the 40 CFR 158.175  instructions.  An
explanation must be provided if the proposed limits are different
than standard certified limits.

     n.  When new CSFs are submitted and approved, all previously
submitted CSFs become obsolete for that specific formulation.

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                B.  INSTRUCTIONS FOR LABEL CONTENTS

      40 CFR 156.10 and Pesticide Regulatory  (P.R.) Notices require
 that specific labeling statements  appear at certain locations on
 the label.  The sample label formats in Appendix C show where these
 statements are  to be  placed.

 Item 1.  PRODUCT NAME  - The name, brand or trademark  is required to
 be  located  on the front panel, preferably  centered in the upper
 part of the panel.  The name of a product will not be accepted if
 it  is false or  misleading.  [40 CFR 156.10(b)]

 Item 2.   COMPANY NAME AND ADDRESS - The  name and address of the
 producer, registrant or person  for whom the product is produced are
 required on the label and should be  located at the bottom of the
 front panel or  at the  end of the label text.  [40 CFR 156.10(c) ]

 Item 3.  NET CONTENTS  - A net contents statement is required on all
 labels or on the container  of the pesticide.    The. preferred
 location is  the bottom of the front panel  immediately above the
 company name and address, or at the end of the label  text.  The net
 contents must be expressed in the largest suitable unit, e.g., "1
 pound 10 ounces" rather than "26 ounces."  In addition to English
 units, net  contents  may be expressed  in metric units.   [40 CFR
 156.10(d)]

 Item 4.  EPA REGISTRATION NUMBER - The registration number assigned
 to the pesticide product must appear  on the  label, preceded by the
 phrase "EPA Registration No.,"  or "EPA Reg.  No."  The registration
 number must be  set  in type  of a size and style similar to other
 print on that part of the label on which it appears and must run
 parallel  to  it.   The registration  number and  the  required
 identifying phrase must not appear in such a manner as to suggest
 or  imply recommendation or  endorsement  of  the  product by the
 Agency.  [40 CFR 156.10(e)]

 Item 5.  EPA ESTABLISHMENT NUMBER - The EPA establishment number,
 preceded by the phrase "EPA  Est."  is the final establishment at
 which the product  was produced, and  may appear  in any suitable
 location on the label  or immediate container.  It must also appear
 on  the wrapper or outside container of  the package if  the EPA
 establishment number on the immediate container cannot "be clearly
 read  through such wrapper or container.   [40 CFR 156.10(f)]

 Item  6A.   INGREDIENTS STATEMENT  -  An  ingredients  statement is
 normally required on  the front panel.  The  ingredients statement
 must  contain  the name and  percentage by weight of each active
 ingredient  and  the   total  percentage by  weight . of  all  inert
 ingredients.    The preferred  location is  immediately below the
 product name.   The ingredients statement  must run parallel with,
 and  be clearly  distinguished  from,  other text on the  panel.  It
must  not be placed in the body of  other text.  [40 CFR 156.10(g) ]

 Item  6B.  POUNDS PER GALLON STATEMENT -  For liquid agricultural

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formulations, the pounds per  gallon  of active ingredient must be
indicated on the label. [40 CFR 156.10(h)(iv)]

Item 6C.  NAMES TO BE USED IN INGREDIENT STATEMENT - The acceptable
common name,  if there is  one,  shall be  used,  followed by  the
chemical name.    If  no common  name  has  been established,  the
chemical name alone shall be used.  Chemicals related to the active
ingredient  are  allowed  to  be  listed only if  efficacy  data
supporting such claims  are  submitted or referenced.  If such data
are provided, the related chemicals must be  listed separately and
not as a portion of the active ingredient.

Item 6D.  INERT INGREDIENTS  RECLASSIFIED AS ACTIVE  INGREDIENTS - If
EPA has  reclassified  chemicals  from  inert  ingredient  status to
active ingredient  status,   registrants  of  affected products must
change the  ingredient  statement  accordingly (See  52  FR 13307-8,
April 22,  1987).   If  such  pesticides  have food uses, tolerances
must either be established  for such uses, or an exemption from the
requirement for tolerances  must be obtained.

Item 6E.  NOMINAL CONCENTRATION - The  amount of active ingredient
declared  in  the   ingredient  statement  must  be  the  nominal
concentration of the product as defined in  40 CFR 158.153(i) and
described in P.R. Notice 91-2.

Item  7.    WARNINGS  AND PRECAUTIONARY STATEMENTS -  Front  panel
precautionary  statements  must be  grouped  together,  preferably
within a block outline.  The table below shows the minimum  type
size requirements  for various size  labels.
Size  of  Label  on
Front Panel
in Square  Inches

5 and under

above 5  to 10

above 10 to  15

above 15 to  30

over  30
Signal Word
Minimum Type Size
All capitals	

6 point

10 point

12 point

14 point

18 point
"Keep Out of Reach
of Children"
Minimum Type Size

6 point

6 point

8 point

10 point

12 point
 Item 7A.  CHILD HAZARD WARNING STATEMENT - The statement "Keep Out
 of Reach  of Children" must be located on the front panel above the
 signal word except where contact with children during distribution
 or use is unlikely.   [40 CFR 156.10(h)(1)(ii)]

 Item 7B.   SIGNAL WORD  -  The  signal word (DANGER,  WARNING,: or
 CAUTION)  is required on the front panel immediately below the child
 hazard warning statement.  [40  CFR 156.10(h)(1)(i)].

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Item  7C.   SKULL  & CROSSBONES AND  WORD "POISON"  - On  products
assigned a toxicity Category  I on  the basis of  oral,  dermal,  or
inhalation toxicity, the word "Poison" shall appear  on the label in
red on a background of distinctly contrasting color and the skull
and crossbones  shall  appear in  immediate  proximity to  the word
POISON.  [40 CFR 156.10(h)(1)(i) ].

Item  7D.    STATEMENT  OF  PRACTICAL TREATMENT  - A statement  of
practical treatment (first aid or other) shall appear on the label
of pesticide products  in toxicity Categories I,  II, and III.  [40
CFR 156.10(h)(1)(iii)]

Item 7E.  REFERRAL STATEMENT - The statement "see  Side (or Back)
Panel for Additional Precautionary  Statements" is required on the
front panel  for all  products, unless all  required precautionary
statements appear on the front panel.  [40 CFR 156.10(h)(1)(iii)].

Item 8.  SIDE/BACK PANEL PRECAUTIONARY LABELING - The precautionary
statements listed below must appear  together on the  label under the
heading "PRECAUTIONARY STATEMENTS."  The preferred location is at
the top of the side or back panel  preceding  the directions for use,
and it is preferred that these statements be surrounded by a block
outline.   Each of the  three hazard  warning statements must  be
headed by the appropriate hazard  title.   [40 CFR 156.10 (h) (2) ].

Item 8A.  HAZARD TO HUMANS AND DOMESTIC ANIMALS  -  Where a hazard
exists to humans or domestic animals, precautionary statements are
required indicating the particular hazard, the route(s) of exposure
and  the precautions  to  be  taken  to avoid  accident,   injury  or
damage.  [40 CFR 156.10(h)(2)(i)]

Item  SB.   ENVIRONMENTAL HAZARD  -  Where  a  hazard  exists to non-
target   organisms  excluding   humans  and  domestic   animals,
precautionary statements are  required stating the  nature  of the
hazard and the appropriate precautions to avoid potential accident,
injury, or damage.  [40 CFR 156.10(h)(2)(ii)]

Item 8C.  PHYSICAL OR  CHEMICAL HAZARD - FLAMMABILITY Precautionary
statements relating to flammability  of a product are required to
appear  on  the  label  if  it  meets  the criteria  in the PHYS/CHEM
Labeling Appendix.  The requirement is based on the results  of the
flashpoint determinations and flame extension tests required to be
submitted for all products.   These  statements are to be located in
the side/back panel precautionary statements section, preceded by
the heading "Physical/Chemical Hazards."  Note that no  signal word
is used in conjunction with the flammability statements.

Item 9A.  RESTRICTED USE CLASSIFICATION - FIFRA sec. 3 (d) requires
that  all pesticide  formulations/uses be  classified  for  either
general or restricted use.   Products  classified for restricted use
may be  limited  to use by certified  applicators  or persons under
their direct supervision (or may be subject to other restrictions
that  may be imposed  by regulation) .   If  your  product has been
classified for  restricted use, then these  requirements apply:

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1.   All~uses restricted.  The following statements must be placed
     in a black box at the top of the front panel of the label and
     labeling:

     a.   The statement  "Restricted Use Pesticide" must appear at
          the top of the front panel of the label.  The statement
          must be set in type of the  same minimum size as required
          for  human hazard signal  word  [see  table  in  40  CFR
          156.10(h) (l)'(iv)].  No statements of any kind may appear
          above this RUP statement.

     b.   The reason.for the the restricted use classification must
          appear below the RUP statement.  The RED will prescribe
          this statement.

     c.   A  summary statement of  the terms  of  restriction must
          appear directly below this  reason statement on the front
          panel.   If use is restricted to certified applicators,
          the following statement is  required:  "For retail sale to
          and use  only  by Certified  Applicators or persons under
          their direct supervision and only for those uses covered
          by the Certified Applicator's Certification."   The RED
          will specify what statement must be used.

2.   Some but not all uses restricted.  If the RED states that some
     uses  are  classified  for  restricted  use,  and  some  are
     unclassified, several  courses of action are available:

     a.   You may label the product for ".Restricted use.  If you do
          so,  you  may   include  on the  label  uses  that  are
          unrestricted,  but you may not distinguish  them on the
          label as being unrestricted.

     b.   You may  delete all  restricted uses from your label and
          submit draft labeling bearing only unrestricted uses.

     c.   You may  "split" your  registration,  i.e.,  register two
          separate  products  with   identical  formulations,  one
          bearing  only  unrestricted uses, and  the other bearing
          restricted uses.  To do so, submit two applications for
          reregistration, each containing all forms and necessary
          labels.     Both   applications  should  be  submitted
          simultaneously.  Note that the products will be assigned
          separate registration numbers.

Item 9B.   MISUSE  STATEMENT - All products  must bear the misuse
statement, "It is a violation of Federal law to use this product in
a manner inconsistent with  its labeling."  This  statement appears
at the beginning of the directions for use,  directly beneath the
heading of that section.

Item 10A.  REENTRY  STATEMENT - If a restricted entry interval  (REI)
has been  established by  the  Agency, it must be included on the
label.   Additional worker protection statements may be required in

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accordance with PR Notice 83-2, March 29, 1983.

Item 10B.  STORAGE AND DISPOSAL BLOCK - All  labels are required to
bear  storage  and disposal  statements.    These statements  are
developed  for  specific containers,  sizes,  and chemical content.
These instructions must be grouped  and  appear under the heading
"Storage and Disposal" in the directions for  use.   This heading
must be set in  the same type sizes as required for the child hazard
warning.   Refer to P.R.  Notices  83-3 and  84-1  to  determine the
storage and disposal instructions appropriate  for your products.

Item IOC.  DIRECTIONS  FOR USE - Directions  for use must be stated
in terms which can be easily read  and understood by the average
person  likely  to use  or  to  supervise the  use of  the pesticide.
When followed,  directions must  be adequate  to protect the public
from fraud  and from personal injury and to prevent unreasonable
adverse effects on the environment.   [40 CFR 156.10(i)(2)]

COLLATERAL LABELING

Bulletins, leaflets,  circulars,  brochures, data sheets,  flyers, or
other written or graphic printed matter which is referred to on the
label or which is to  accompany the product are termed collateral
labeling.   Such labeling may not bear  claims or representations
that differ  in substance from  those accepted in connection with
registration of the product.  Collateral labeling must be made part
of the response to the RED and  submitted for review.

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   Environmental Protection Agency

   submitter has asserted a confidential
   business information claim concerning
   the material).
    (5) A copy of each document, propos-
   al or other item of written material
   concerning the Registration Standard
   provided by the Agency to any person
   or  party   outside  of  government
   (within 15 working days after the item
   is  made available  to  such person or
  party).
   (6) A copy of the Registration Stand-
  ard;
   (7) With respect to  a Registration
  Standard for which  the Agency has
  determined that a substantially com-
  plete chronic  health  and  teratology
  data base exists, a copy of the FEDERAL
  REGISTER notice concerning availabil-
  ity of a  proposed Registration Stand-
  ard, and a copy of each comment re-
  ceived in  response  to  that notice
  (within 10  working days after receipt
  by  the Agency, or 15 working days if
  the submitter has asserted a confiden-
  tial business  information claim con-
  cerning the material).
   (8) A copy of the FEDERAL REGISTER
  notice announcing the issuance of the
  Registration   Standard   (within  10
  working days after the publication of
  the notice).
   (c) Index of the docket The Agency
 will establish and  keep  current an
 index to the docket for each Registra-
 tion Standard. The index will include,
 but is not limited to:
   (1) A list of each meeting between
 the  Agency and any person or party
 outside of government, containing the
 date and  subject of the meeting, the
 names of participants and the name of
 the person requesting the meeting.
   (2) A list of each document in the
 docket by title, source or recipient(s),
 and  the date  the document was re-
 ceived or provided by the Agency.
  (d) Availability of docket and indi-
 ces.  (1) The Agency will make avail-
 able to the public for inspection and
 copying the docket and index for any
 Registration Standard.
  (2) The Agency will establish  and
 maintain a mailing list of persons who
 have specifically requested that they
 receive indices for Registration Stand-
ard dockets. On a quarterly basis, EPA
will distribute the indices of new mate-
rials placed in the  public docket to
                              § 156.10

  these persons. Annually, E ^A will re-
  quire that persons on the list renew
  their requests for inclusion on the list.
   (3) The Agency will issue annually in
  the FEDERAL REGISTER (in conjunction
  with the annual schedule notice speci-
  fied in §  155.25)  a  notice announcing
  the availability of docket indices.
   (4) Each FEDERAL REGISTER notice of
  availability of a Registration Standard
  will announce  the  availability of the
  docket index for that Standard.

  § 155.34  Notice of availability.
   (a) The  Agency will issue in the FED-
  ERAL REGISTER a notice announcing the
  issuance and availability  of  Registra-
  tion Standard which:
   (1)  Concerns a previously  unregis-
 tered active ingredient: or
   (2) Concerns a previously registered
 active ingredient, and the  Registration
 Standard  states that registrants will
 be  required  (under  FIFRA section
 3(c)(2KB)) to submit  chronic  health
 (including, but not limited to, chronic
 feeding, oncogenicity  and reproduc-
 tion) or teratology studies.
   (b) Interested persons may submit
 comments  concerning any  Registra-
 tion Standard described by paragraph
 (a) of this section at any time.
   (c) The Agency will issue in the FED-
 ERAL REGISTER a notice announcing the
 availability of, and providing  opportu-
 nity for comment on, each proposed
 Registration Standard which concerns
 a previously  registered active ingredi-
 ent  for which the Agency has deter-
 mined that a substantially complete
 chronic  health and teratology data
 base exists. Following the comment
 period and issuance of the Registra-
 tion Standard, the Agency  will issue  in
 the FEDERAL REGISTER a notice of avail-
 ability of the Registration Standard.

 PART    156—LABELING   REQUIRE-
   MENTS FOR PESTICIDES AND DE-
   VICES

  AUTHORITY: 7 U.S.C. 136-136y.

§ 156.10  Labeling requirements.
  (a)  General—(1)  Contents   of the
label Every pesticide  products  shall
bear a label containing the informa-
tion specified by the Act and the regu-
                                    75

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§ 156.10

lations in this Part. The contents of a
label  must  show clearly  and promi-
nently the following:
  Ci) The name, brand, or trademark
under which the product is sold as pre-
scribed  in paragraph (b)  of  this sec-
tion;
  (ii)  The name and  address of the
producer, registrant,  or  person  for
whom produced as prescribed in para-
graph (c) of this section;
  (iii) The net contents as prescribed
in paragraph (d) of this section;
  (iv)   The   product   registration
number as prescribed in paragraph  (e)
of this section;
  (v)  The  producing  establishment
number as prescribed in paragraph (f)
of this section;
  (vi) An ingredient statement as pre-
scribed in paragraph  (g) of this sec-
tion;
  (vii) Warning or precautionary state-
ments as prescribed in paragraph  (h)
of this section;
  (vlii)  The directions for use as pre-
scribed in paragraph (i) of this section;
and
  (ix) The use classification(s) as pre-
scribed in paragraph (j) of this section.
  (2) Prominence and legibility, (i) All
words, statements, graphic representa-
tions, designs or other information re-
quired  on the labeling by the Act or
the regulations in this part must be
clearly legible to a person with normal
vision,  and  must be placed with such
conspicuousness (as  compared with
other words, statements, designs, or
graphic matter on the  labeling) and
expressed in such terms as to render it
likely to be  read and understood by
the ordinary individual under custom-
~ary conditions of purchase and use.
   (ii) All required label text must:
   (A) Be set  in 6-point or larger type;
   (B) Appear on a  clear contrasting
 background; and
   (C) Not be obscured or crowded.
   (3) Language to be used. All required
 label or labeling text shall appear in
 the  English language.  However,  the
 Agency may require  or the applicant
 may propose additional  text in other
 languages as is considered necessary to
 protect the  public. When  additional
 text in another language is necessary,
 all labeling  requirements will be ap-
 plied equally to both the English and
         40 CFR Ch. I (7-1-89 Edition)

other-language versions of the label-
ing.
  (4) Placement of Label—(i) General
The label shall appear on or be secure-
ly attached to the immediate contain-
er of the pesticide product. For pur-
poses  of  this  Section, and the mis-
branding  provisions of the Act,  "se-
curely attached"  shall mean that a
label can reasonably be expected to
remain affixed during the foreseeable
conditions and period of use. If the im-
mediate container is enclosed within a
wrapper or outside container through
which the label cannot be clearly read,
the  label  must  also be securely  at-
tached to such outside wrapper or con-
tainer, if it is a part of the package as
customarily distributed or sold.
  (ii)  Tank cars and  other bulk  con-
tainers—(.A) Transportation.  While a
pesticide product is in transit, the ap-
propriate provisions of 49  CFR Parts
170-189, concerning the transportation
of hazardous materials, and specifical-
ly those provisions concerning the la-
beling, marking and placarding of haz-
ardous materials and the vehicles car-
rying them, define the basic Federal
requirements.  In addition, when any
registered  pesticide product is trans-
ported in  a tank car, tank truck or
other mobile or portable bulk contain-
er, a  copy  of the accepted label must
be attached  to  the shipping  papers,
 and left with the consignee at the time
 of delivery.
   (B) Storage. When  pesticide, prod-
 ucts  are  stored in bulk containers,
 whether mobile or stationary, which
 remain in  the custody of the user, a
 copy  of the label of labeling, including
 all appropriate directions for use, shall
 be securely attached to the  container
 in the immediate vicinity of the dis-
 charge control valve.
   (5)  False or misleading statements.
 Pursuant to section 2(q)(l)(A) of the
 Act,  a pesticide or  a device declared
 subject  to   the   Act  pursuant  to
 5 153.240, is misbranded if its labeling
 is false or  misleading in any particular
 including both pesticidal and non-pes-
 ticidal claims. Examples of statements
 or  representations  in  the  labeling
 which constitute misbranding include:
   (i)  A false  or misleading  statement
 concerning the composition of the
 product;
                                     76

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              Protection Agoncy
   (ii) A false or misleading statement
 rtjncerning_ the effectiveness of  the
 product as a pesticide or device;
   (ill) A false or misleading statement
 about the value of the product for
 purposes other than as a pesticide or
 device;
   (iv) A false or misleading comparison
 with other pesticides or devices;
   (v) Any statement directly  or  indi-
 rectly implying  that the pesticide or
 device is recommended or endorsed by
 any agency of  the Federal Govern-
 ment;
   (vi) The name of a pesticide which
 contains two or more principal active
 ingredients  if  the  name suggests  one
 or more but  not  all  such principal
 active ingredients  even though  the
 names of the  other ingredients  are
 stated elsewhere in the labeling;
  (vii) A true statement used in such a
 way as to give a false or misleading im-
 pression to the purchaser;
  (viii) Label disclaimers which negate
 or detract from labeling statements re-
 quired under the Act and these regula-
 tions;
  (ix) Claims as to the safety of  the
 pesticide  or its ingredients, including
 statements such as "safe," "nonpoison-
 ous," "noninjurious,"  "harmless"  or
 "nontoxic to humans and  pets" with
 or without such a qualifying phrase as
 "when used as directed"; and
  (x) Non-numerical and/or compara-
 tive statements on the safety of  the
 product, including but not limited to:
  (A) "Contains all natural  ingredi-
 ents";
  (B) "Among the least toxic chemi-
 cals known"
  (C) "Pollution approved"
  (6) Final printed labeling, (i) Except
 as provided  in paragraph  (a)(6)(ii) of
 this section,  final  printed labeling
must be submitted and accepted prior
to registration. However, final printed
labeling need not  be submitted until
draft label texts have been provision-
ally accepted by the Agency.
  (ii) Clearly legible reproductions or
photo reductions will be accepted for
unusual labels  such  as  those  silk-
screened directly onto  glass or metal
containers or large bag or drum labels.
Such reproductions must be of micro-
film reproduction quality.
                            § 156.10

  (b)  Name, brand, or tradt lark. (1)
The name, brand, or trademark under
which the pesticide  product is  sold
shall  appear on the front panel of the
label.
  (2)  No name, brand, or trademark
may appear on the label which:
  (i) Is false or misleading, or
  (ii)  Has not been approved by the
Administrator through registration or
supplemental  registration as an  addi-
tional name pursuant to § 152.132.
  (c)  Name and address of producer,
registrant,  or person for whom  pro-
duced. An  unqualified name and ad-
dress  given on the label shall be con-
sidered as the  name and address of the
producer. If the registrant's name ap-
pears on the label and the registrant is
not the producer, or if the name of the
person  for whom  the pesticide  was
produced appears on the label, it  must
be  qualified  by  appropriate wording
such as "Packed for » • *," "Distribut-
ed by • • V or "Sold by * • *" to  show
that the name is not that of the pro-
ducer.
  (d)  Net weight or measure of con-
tents. (1) The net weight or measure
of content  shall be exclusive of wrap-
pers or other materials and shall be
the average content unless explicitly
stated as a minimum quantity.
  (2)  If the pesticide is a liquid, the
net content   statement shall be in
terms of liquid measure at 68* F (20*C)
and shall be expressed in conventional
American units of fluid ounces, pints.
quarts, and gallons.
  (3)  If the pesticide is solid or semi-
solid,  viscous  or pressurized,  or is a
mixture  of liquid and  solid,  the net
content statement shall be in terms of
weight   expressed   as  avoirdupois
pounds and ounces.
  (4) In all cases, net content shall be
stated in terms of the largest suitable
units, i.e., "1 pound 10 ounces" rather
than "26 ounces."
  (5) In addition to the required  units
specified, net content  may  be ex-
pressed in metric units.
  (6)  Variation  above minimum  con-
tent or around an average is permissi-
ble only to the extent that it repre-
sents  deviation unavoidable in  good
manufacturing   practice.   Variation
below a stated minimum is not permit-
ted. In no case shall the average con-
                                    77

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 §154.10

 tent of the packages in a shipment fall
 on whichit appears and shall run par-
 JSeT to it. The registration number
 and the required  identifying  phrase
 shall not appear in such a manner as
 to suggest or  imply  recommendation
 or endorsement of  the product by the
 Agency.
   (f)  Producing  establishments regis-
 tration number. The  producing estab-
 lishment registration number preced-
 ed by the phrase "EPA Est.", of the
 final establishment at which the prod-
 uct was produced may  appear in any
 suitable location on the label or imme-
 diate container. It must appear on the
 wrapper or outside container  of the
 package If the EPA establishment reg-
 istration  number on the immediate
 container  cannot  be  clearly  read
 through such wrapper or container.
  (g) Ingredient statement— (1) Gener-
 al. The label of each pesticide product
 must bear a statement which contains
 the name and percentage by weight of
 each active ingredient,  the total per-
 centage by weight of  all Inert ingredi-
 ents; and if the pesticide  contains ar-
 senic in any form, a statement of the
 percentages of  total and water-soluble
 arsenic calculated  as  elemental ar-
 senic. The active ingredients must be
 designated by the term "active ingredi-
 ents" and the inert ingredients by the
 term "Inert Ingredients," or the singu-
 lar forms of these terms when appro-
 priate. Both terms shall  be  in  the
 same type size, be aligned to the same
 margin and be equally prominent. The
 statement "Inert Ingredients, none" is
 not required for pesticides which con-
 tain  100  percent active  ingredients.
 Unless the Ingredient statement is a
 complete analysis of the pesticide, the
 term "analysis" shall not be used as a
heading for the ingredient statement.
  (2) Position of ingredient statement
 (i) The Ingredient  statement is  nor-
mally required on the front panel of
         40 CFR Ch. I (7-1-89 Edition)

the label. If there  is an outside con-
tainer or wrapper through which the
ingredient statement cannot be clearly
read, the ingredient  statement must
also appear on such outside container
or wrapper. If the size or form of the
package makes  it  impracticable  to
place the ingredient statement on the
front panel of the label,  permission
may  be granted for  the  ingredient
statement to appear elsewhere.
  (ii) The text of the ingredient state-
ment must run  parallel  with  other
text on the panel on which it appears,
and must  be clearly  distinguishable
from and must not be placed in the
body of other text.
  (3)  Names to be used in ingredient
statement The name used for each in-
gredient  shall  be   the   accepted
common name,  if there is one,  fol-
lowed by the  chemical name.  The
common name may be used alone only
if it is well known. If no common name
has  been established, the chemical
name alone shall be used. In no case
will the use of a trademark or proprie-
tary name be permitted unless  such
name has been accepted as a common
name by. the Administrator under the
authority of section  25(c)(6).
  (4)  Statements  of percentages.  The
percentages of ingredients shall  be
stated in terms  of weight-to-weight.
The sum of percentages of the active
and the inert ingredients shall be 100.
Percentages shall not be expressed by
a range of values  such as "22-25%." If
the uses of  the pesticide product are
expressed as weight of active ingredi-
ent per unit area, a statement of the
weight of active  ingredient per unit
volume of  the pesticide formulation
shall  also  appear in  the  ingredient
statement.
  (5)  Accuracy  of stated percentages,
The percentages given shall be as pre-
cise as possible reflecting good manu-
facturing practice. If there may be un-
avoidable variation between manufac-
turing batches, the value  stated for
each  active ingredient shall be  the
lowest  percentage  which  may   be
present.
  (6)  Deterioration.  Pesticides which
change  In chemical composition  sig-
nificantly must meet the following la-
beling requirements:
                                    78

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  environmental Protection Agency

   /<) In cases where it is determined
  nat a pesticide-formulation changes
  hemical  composition  significantly,
  fne product must  bear the  following
  tatenient in a prominent position on
  the label: "Not for sale  or  use  after
  rdatel."
   (ii) The product must meet all label
  claims up to the expiration time indi-
  cated on the label.
   (7) Inert ingredients. The  Adminis-
  trator may require the name of any
  inert ingredient(s)  to be listed in the
  ingredient statement if he determines
  that such ingredient(s)  may  pose  a
  hazard to man or the environment.
  (h)  Warnings and precautionary
 statements.   Required  warnings   and
 precautionary statements  concerning
                             § 156.10

 the  general  areas  of  toxicological
 hazard including hazard to children,
 environmental hazard, and physical or
 chemical hazard fall into two groups;
 those required on the front panel of
 the  labeling and those which  may
 appear  elsewhere.  Specific  require-
 ments concerning content, placement,
 type size, and  prominence  are given
 below.
  (1) Required front panel statements.
 With the   exception  of  the  child
 hazard warning statement, the text re-
 quired on the front panel of the label
 is determined by the Toxicity Catego-
 ry of the pesticide. The category is as-
 signed  on  the basis  of the highest
 hazard shown by any of the indicators
 in the table below:
Hazard indicators
Oral LDM 	
inhalation LC». 	
Dermal LD» 	
Eye effects — 	
Skin effects 	

Tojocrty categories
1
Up to and including SO
mg/kg.
Up to and inducting .2
mg/liter.
Up to and including 200
mg/kg.
Corrosive; cornea)
opacity not reversible
within 7 days.
Corrosive 	

II
Prom 50 thru 500 mg/kg..
From .2 thru 2 mg/liter 	
From 200 thru 2000 .. .
Comeai opacity
reversible within 7
days; irritation
persisting for 7 days.
Severe irritation at 72
hours.
Ill
From 500 thru 5000 mg/
kg.
From 2. thru 20 mg/liter...
From 2,000 thru 20,000....
No cornea) opacity:
irritation reversible ";
within 7 days.
Moderate irritation at 72
hours.
IV
Greater than 5000 mg/
kg.
Greater than 20 mg/liter.
Greater than 20,000.
No irritation.
MM or slight irritation at
72 hours.
  (i) Human hazard signal word—(A)
 Toxicity Category I. All pesticide prod-
 ucts meeting the criteria of Toxicity
 Category  I  shall bear  on the  front
 panel the signal word "Danger." In ad-
 dition if the product was assigned to
 Toxicity Category I on the basis of its
 oral, inhalation or dermal toxicity (as
 distinct from skin  and eye local ef-
 fects) the  word "Poison" shall appear
 in red on a background of  distinctly
 contrasting  color and  the skull and
 crossbones shall appear in immediate
 proximity  to the word "poison."
  (B)  Toxicity Category 11. All pesti-
 cide products meeting the criteria of
Toxicity Category II shall bear on the
front  panel  the signal  word  "Warn-
ing."
  (C) Toxicity Category III.  All pesti-
cide products meeting the criteria of
Toxicity Category III  shall  bear on
the front panel the signal word "Cau-
tion."
  (D) Toxicity Category IV.  All pesti-
cide products meeting  the criteria of
Toxicity Category IV shall bear on the
front panel the signal word "Caution."
  (E) Use of signal words. Use of any
signal word(s) associated with a higher
Toxicity  Category is  not permitted
except  when the Agency determines
that such labeling is necessary to pre-
vent unreasonable adverse effects on
man or the  environment. In no  case
shall more than  one human  hazard
signal word appear on the front panel
of a label.
  (ii) Child hazard warning. Every pes-
ticide product laoel shall bear on the
front panel the statement "keep out of
reach  of  children."  Only  in cases
where the likelihood of contact with
children during distribution, market-
ing, storage or use is  demonstrated by
the applicant to be extremely remote,
or if the nature of the pesticide is such
                                   79

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  §156.10

  that it is approved for use on infants
  or small children, may the Administra-
  tor waive this requirement.
   (Ill) Statement of  practical  treat-
  ment—
-------
         Ke>n««t Protection Ag«ncy
    ,. environmental hazards. Where a
   (   * exists to non target organisms
        rjg humans and domestic ani-
     JVorecautionary statements are re-
     '   stating  the  nature  of  the
        and the appropriate precau-
       to  avoid  potential  accident,
        or damage.  Examples  of the
        statements  and the  circum-
        under which they are required
         a pesticide intended for out-
     use contains an active ingredient
     a mammalian acute oral LD» of
    or less, the statement "This Pesti-
 ide is Toxic to Wildlife" is  required.
  (B) I*  a pesticide intended for out-
 door use contains an active ingredient
 with a fish acute LCM of 1 ppm or less,
 the statement "This Pesticide is Toxic
 to Pish" is required.
  (C) If  a pesticide intended for out-
 door use contains an active ingredient
 with an  avian acute oral LDio of  100
 mg/kg or  less, or a  subacute dietary
                                  § 156.10

    Lido of 500 ppm or less, the statement
    "This Pesticide is Toxic to Wildlife" is
    required.
      (D) If either accident history or field
    studies demonstrate that use of the
    pesticide  may  result  in fatality to
    birds, fish or mammals, the statement
    "This pesticide  is extremely  toxic to
    wildlife (fish)" is required.
      (E) For uses involving foliar applica-
    tion to agricultural crops, forests, or
    shade  trees, or for mosquito abate-
    ment treatments, pesticides toxic to
    pollinating insects must bear appropri-
    ate label cautions.
      (F) For  all outdoor uses other than
    aquatic applications the label  must
    bear  the caution "Keep out of lakes,
    ponds or streams. Do not contaminate
    water by cleaning of equipment or dis-
    posal of wastes."
      (iii) Physical  or chemical hazards.
    Warning statements on the flammabil-
    ity or explosive characteristics of the
    pesticide are required as follows:
              Flash point
                 Required text
                               (A) PRESSURIZED CONTAINERS
Bash point at or below 20* F; if there n a flashback at
 any valve opening.


Bash point above 20' F and not over 80' F or if the
 flame extension is more than 18 in long at a distance
 of 6 in from the flame.
AH other pressurized containers	
Extremely flammable. Contents' under pressure. Keep away from
 fire, sparks, and heated surfaces. Do not puncture or incinerate
 container. Exposure to temperatures above 130* F may causa
 bursting.
Flammable.  Contents under pressure.  Keep away  from  heat
 sparks, and open flame. Do not puncture or incinerate container.
 Exposure to temperatures above 130* F may cause bursting.
Contents under pressure. Do not use or store near heat or open
 flame.  Do not puncture or incinerate container.  Exposure to
 temperatures above 130* F may cause bursting.
                             (B) NONPRESSURIZEO CONTAINERS
At or below 20* F.
Above 20* F and not over 80* F	
Above 80* F and not over 150' F..	
Extremely flammable. Keep away from fire, sparks, and heated
 surfaces.
Flammable. Keep away from heal and open flame.
Do not use or store near heat or open flame.
  (i) Directions for  Use—(1)  General
requirements—(i) Adequacy and clar-
ity of directions. Directions  for  use
must be stated in terms which can be
easily read and understood by the av-
erage person likely to use or to super-
vise the use of the pesticide. When fol-
lowed, directions must be adequate to
protect  the  public  from fraud and
from personal  injury and to prevent
unreasonable  adverse  effects  on  the
environment.
      (ii) Placement  of directions for use.
    Directions may appear on any portion
    of  the label provided that they  are
    conspicuous enough  to be easily read
    by the user of the pesticide product.
    Directions for use  may  appear  on
    printed or graphic matter which ac-
    companies the pesticide provided that:
      (A) If required by  the Agency, such
    printed or graphic matter is securely
    attached to each package of the pesti-
    cide,  or  placed  within  the  outside
    wrapper or bag;
                                       81

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§ 156.10

  (B) The .label bears a reference to
the directions for vise in accompanying
leaflets or circulars, such as "See di-
rections in the enclosed circular:" and
  (C) The Administrator determines
that it is not necessary for such direc-
tions to appear on the label.
  (iii) Exceptions  to requirement for
direction for use—(.A) Detailed direc-
tions for use may be omitted from la-
beling of pesticides which are intended
for use only by manufacturers of prod-
ucts other than pesticide products in
their regular manufacturing processes,
provided that:
  (I) The label clearly shows that the
product is intended for use only in
manufacturing processes and specifies
the type(s) of products involved.
  (2)  Adequate information such  as
technical  data sheets  or bulletins, is
available to the  trade specifying the
type  of  product  involved  and  its
proper use in manufacturing process-
es;
  (3) The product will not come into
the hands of the general public except
after incorporation into finished prod-
ucts; and
  (4)  The Administrator  determines
that such directions are not necessary
to prevent  unreasonable adverse  ef-
fects on man or the environment.
  
-------
              Protection Agoney
     Any limitations or restrictions on
    required to prevent unreasonable
"SeSe effects, such as:
  ,T) Beauired intervals between ap-
 Ucation and harvest of food or feed

cr,°J?f Rotational crop restrictions.
  (C) Warnings as required against use
 n certain  crops, animals, objects, or
?n or adjacent to certain areas.
  (D) [Reserved]
  (E) For restricted use pesticides, a
statement that the pesticide may be
ADDlied under the direct supervision of
a certified applicator who is not phys-
ically present at the site of application
but  nonetheless  available   to  the
oerson applying the pesticide, unless
the Agency has determined that the
pesticide may only be  applied  under
the direct supervision of a certified ap-
plicator who is physically present.
  (F)   Other  pertinent  information
which  the  Administrator  determines
to be necessary for the protection of
man and the environment.
  (j)  Statement of Use  Classification.
By October 22, 1976, all pesticide prod-
ucts must bear on their labels a state-
ment of use classification as  described
in paragraphs (j) (1) and (2) of  this
section. Any  pesticide  product  for
which some uses are classified for gen-
eral use and others for restricted use
shall be separately labeled according
to the  labeling standards set forth in
this subsection, and shall be marketed
as separate products  with  different
registration numbers, one bearing di-
rections only  for general use(s)  and
the other  bearing  directions for  re-
stricted use(s) except that, if a product
has both restricted  use(s) and general
use(s),  both of these uses may appear
on a product labeled for restricted use.
Such products shall be subject to the
provisions of paragraph (j)(2) of this
section.
  (1) General Use Classification. Pesti-
cide  products bearing  directions for
use(s)  classified general shall  be la-
beled with the exact words "General
Classification" immediately below the
heading "Directions for Use." And ref-
erence to  the general classification
that suggests or implies that the gen-
eral  utility of the pesticide extends
beyond those  purposes and  uses  con-
tained in the Directions for Use will be
                             § 156.10

considered a false or misleading state-
ment under the statutory definitions
of misbranding.
  (2)  Restricted  Use  Classification.
Pesticide  products  bearing  direction
for use(s)  classified restricted  shall
bear statements of restricted use clas-
sification on the front panel as  de-
scribed below:
  (i) Front panel statement of restrict-
ed use classification. (A) At the top of
the front panel of the label, set in type
of the same minimum sizes as required
for human hazard  signal words (see
table in paragraph (hXIXiv) of this
section), and appearing with sufficient
prominence relative to  other text and
graphic material on the front panel to
make  it  unlikely to  be overlooked
under customary conditions of  pur-
chase  and  use,  the statement "Re-
stricted Use Pesticide" shall appear.
  (B) Directly below this statement on
the front panel, a summary statement
of the terms of restriction imposed as
a  precondition to  registration  shall
appear. If use is restricted to certified
applicators, the following statement is
required: "For retail sale to and  use
only by Certified Applicators or per-
sons under their direct supervision and
only for those uses covered by the Cer-
tified  Applicator's  certification."  If,
however, other regulatory restrictions
are  imposed,  the Administrator will
define the appropriate wording for the
terms of restriction by regulation.

[40 PR  28268, July 3. 1975; 40 PR 32329.
Aug. 1. 1975; 40 FR 36571. Aug.  21. 1975, as
amended at 43 FR 5786, Feb. 9, 1978. Redes-
ignated and amended at 53 FR 15991. 15999,
May 4. 1988]
                                     83

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   APPENDIX F
Generic Data Call-in
        78

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             UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
                        WASHINGTON, D.C. 20460
                       DATA CALL-IN NOTICE
CERTIFIED MAIL
     OFFICE OF
PREVENTION, PESTICIDES AND
   TOXIC SUBSTANCES
Dear Sir or Madam:
This Notice  requires you and other registrants of pesticide
products containing the active ingredient identified in
Attachment A of this Notice, the Data Call-in Chemical Status
Sheet, to submit certain data as noted herein to the U.S.
Environmental Protection Agency (EPA, the Agency).  These  data
are necessary to maintain the continued registration of your
product(s) containing this active ingredient.  Within 90 days
after you receive this Notice you must respond as set forth  in
Section III  below.  Your response must state:

      1.   how you will comply with the requirements set forth in
          this Notice and its Attachments A through F; or

      2.   why you believe you are exempt from the requirements
          listed in this Notice and in Attachment C, Requirements
          Status and Registrant's Response Form/ (see section
          III-B); or

      3.   why you believe EPA should not require your submission
          of data in the manner specified by this Notice  (see
          section III-D).

      If you  do not respond to this Notice, or if you do not
satisfy EPA  that you will comply with its requirements or  should
be exempt or excused from doing so, then the registration  of your
product(s) subject to this Notice will be subject to suspension.
We have provided a list of all of your products subject to this
Notice  in Attachment B, Data Call-In Response Form, as well  as a
list  of all  registrants who were sent this Notice  (Attachment D) .

      The authority for this Notice is section 3 (c) (2) (B) of  the
Federal Insecticide, Fungicide and Rodenticide Act as amended
(FIFRA), 7 U.S.C. section 136a(c)(2)(B).  Collection of this
information  is authorized under the Paperwork Reduction Act  by
OMB Approval No. 2070-0107  (expiration date 3-31-96).
                                                      Recycled/Recyclable
                                                      Printed with Soy/Canola Ink on paper that
                                                      contains at least 50% recycled fiber

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      This Notice is divided into six sections and six
Attachments.  The Notice itself contains information and
instructions applicable to all Data Call-in Notices.  The

Attachments contain specific chemical information and
instructions.  The six sections of the Notice are:
     Section I
     Section II
     Section III
              Why You Are Receiving This Notice
              Data Required By This Notice
              Compliance With Requirements Of This
              Notice
Section IV  - Consequences Of Failure To Comply With
              This Notice
Section V   - Registrants' Obligation To Report
              Possible Unreasonable Adverse Effects
Section VI  - Inquiries And Responses To This Notice
     The Attachments to this Notice are:
     Attachment A
     Attachment B
     Attachment C
                                            Sheet
               Data Call-in Chemical Status
               Data Call-in Response Form
               Requirements Status And Registrant's Response
               Form
Attachment D - List Of All Registrants Sent This Data
               Call-in Notice
               EPA Acceptance Criteria
               Cost Share and Data Compensation Forms
     Attachment E
     Attachment F
SECTION I.  WHY YOU ARE RECEIVING THIS NOTICE

     The Agency has reviewed existing data for this active
ingredient and reevaluated the data needed to support continued
registration of the subject active ingredient.  This reevaluation
identified additional data necessary to assess the health and
safety of the continued use of products containing this active
ingredient.  You have been sent this Notice because you have
product(s) containing the subject active ingredient.

SECTION II.  DATA REQUIRED BY THIS NOTICE
II-A.
  DATA REQUIRED
     The data required by this Notice are specified in
Attachment C, Requirements Status and Registrant's Response Form.
Depending on the results of the studies required in this Notice,
additional testing may be required.
II-B.
  SCHEDULE FOR SUBMISSION OF DATA
     You are required to submit the data or otherwise satisfy the
data requirements specified in Attachment C, Requirements Status
andRegistrant's Response Form, within the timeframes provided.

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II-C.  TESTING PROTOCOL

     All studies required under this Notice must be conducted in
accordance with test standards outlined in the Pesticide Assessment
Guidelines for those studies for which guidelines have been
established.

     These EPA Guidelines are available from the National Technical
Information Service  (NTIS), Attn: Order Desk, 5285 Port Royal Road,
Springfield, Va 22161  (tel: 703-487-4650).

     Protocols approved by the Organization for Economic
Cooperation and Development (OECD) are also acceptable if the OECD-
recommended test standards conform to those specified in the
Pesticide Data Requirements regulation (40 CFR § 158.70).  When
using the OECD protocols, they should be modified as appropriate so
that the data generated by the study will satisfy the requirements
of 40 CFR § 158.  Normally, the Agency will not extend deadlines
for complying with data requirements when the studies were not
conducted in accordance with acceptable standards.  The OECD
protocols are available from OECD, 1750 Pennsylvania Avenue N.W.,
Washington, D.C. 20006.

     All new studies and proposed protocols submitted in response
to this Data Call-in Notice must be in accordance with Good
Laboratory Practices [40 CFR Part 160.3(a) (6) ].


II-D.  REGISTRANTS RECEIVING PREVIOUS SECTION 3(c)(2)(B) NOTICES
       ISSUED BY THE AGENCY

       Unless otherwise noted herein, this Data Call-In does not in
any way supersede or change the requirements of any previous Data
Call-Infs). or any other agreements entered into with the Agency
pertaining to such prior Notice.  Registrants must comply with the
requirements of all Notices to avoid issuance of a Notice of Intent
to Suspend their affected products.


SECTION III.  COMPLIANCE WITH REQUIREMENTS OF THIS NOTICE

III-A.  SCHEDULE FOR RESPONDING TO THE AGENCY

      The appropriate  responses initially required by this Notice
must be submitted to the Agency within 90 days after your receipt
of this Notice.  Failure to adequately respond to this Notice
within 90 days of your receipt will be a basis for issuing a Notice
of Intent to Suspend  (NOIS) affecting your products. This and other
bases for issuance of  NOIS due to failure to comply with this
Notice are presented in Section IV-A and IV-B.

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III-B.  OPTIONS FOR RESPONDING TO THE AGENCY

     The options for responding to this Notice are: 1) voluntary
cancellation, 2) delete use(s), (3)  claim generic data exemption,
(4) agree to satisfy the data requirements imposed by this Notice
or (5) request a data waiver(s).

     A discussion of how to respond if you chose the Voluntary
Cancellation option, the Delete Use(s) option or the Generic Data
Exemption option is presented below.  A discussion of the various
options available for satisfying the data requirements of this
Notice is contained in Section III-C.  A discussion of options
relating to requests for data waivers is contained in Section III-
D.

     There are two forms that accompany this Notice of which,
depending upon your response,  one or both must be used in your
response to the Agency.  These forms are the Data-Call-in Response
Form, Attachment B and the Requirements Status and Registrant's
Response Form, Attachment C. The Data Call-In Response Form must be
submitted as part of every response to this Notice.  Please note
that the company's authorized representative is required to sign
the first page of the Data Call-in Response Form and Requirements
Status and Registrant's Response Form (if this form is required)
and initial any subsequent pages.  The forms contain separate
detailed instructions on the response options.  Do not alter the
printed material.  If you have questions or need assistance in
preparing your response, call or write the contact person
identified in Attachment A.

     1. Voluntary Cancellation - You may avoid the requirements of
this Notice by requesting voluntary cancellation of your product(s)
containing the active ingredient that is the subject of this
Notice.  If you wish to voluntarily cancel your product, you must
submit a completed Data Call-in Response Form, indicating your
election of this option.  Voluntary cancellation is item number 5
on the Data Call-In Response Form. If you choose this option, this
is the only form that you are required to complete.

     If you chose to voluntarily cancel your product, further sale
and distribution of your product after the effective date of
cancellation must be in accordance with the Existing Stocks
provisions of this Notice which are contained in Section IV-C.

     2.  Use Deletion - You may avoid the requirements of this
Notice by eliminating the uses of your product to which the
requirements apply.  If you wish to amend your registration to
delete uses, you must submit the Requirements Status and
Registrant's Response Form, a completed application for amendment,
a copy of your proposed amended labeling, and all other information
required for processing the application.  Use deletion is option
number 7 on the Requirements Status and Registrant's Response Form.

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You must also complete a Data Call-in Response Form by signing the
certification, item number 8. Application forms for amending
registrations may be obtained from the Registration Support and
Emergency Response Branch, Registration Division, (703)  557-2126.

     If you choose to delete the use(s)  subject to this Notice or
uses subject to specific data requirements,  further sale,
distribution, or use of your product after one year from the due
date of your 90 day response, must bear an amended label.

     3.  Generic Data Exemption - Under section 3(c)(2)(D) of
FIFRA, an applicant for registration of a product is exempt from
the requirement to submit or cite generic data concerning an active
ingredient if the active ingredient in the product is derived
exclusively from purchased, registered pesticide products
containing the active ingredient.  EPA has concluded, as an
exercise of its discretion, that it normally will not suspend the
registration of a product which would qualify and continue to
qualify for the generic data exemption in section 3(c)(2)(D) of
FIFRA.  To qualify, all of the following requirements must be met:

     a.   The active ingredient in your registered product must be
          present solely because of incorporation of another
          registered product which contains the subject active
          ingredient and is purchased from a source not connected
          with you;

     b.   Every registrant who is the ultimate source of the active
          ingredient in your product subject to this DCI must be in
          compliance with the requirements of this Notice and must
          remain in compliance; and

     c.   You must have provided to EPA an accurate and current
          "Confidential Statement of Formula" for each of your
          products to which this Notice applies.

     To apply for the Generic Data Exemption you must submit a
completed Data Call-in Response Form, Attachment B and all
supporting documentation.  The Generic Data Exemption is  item
number 6a on the Data Call-in Response Form.  If you claim a
generic data exemption you are not required to complete the
Requirements Status and Registrant's Response Form.  Generic Data
Exemption cannot be selected as an option for product specific
data.

     If you are granted a Generic Data Exemption, you rely on the
efforts of other persons to provide the Agency with the required
data.  If the registrant(s) who have committed to generate and
submit the required data fail to take appropriate steps to meet the
requirements or are no longer in compliance with this Data Call-in
Notice, the Agency will consider that both they and you are not  in
compliance and will normally initiate proceedings to  suspend the

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registrations of both your  and their product(s), unless you commit
to submit and do submit the required data within the specified
time.  In such cases the Agency generally will  not grant a time
extension for submitting the  data.

     4. Satisfying the Data Requirements of this Notice  There are
various options available to  satisfy the data requirements of this
Notice.  These options are  discussed in Section III-C of this
Notice and comprise options 1 through  6 on the  Requirements Status
and Registrant's Response Form and option 6b and 7 on the Data
Call-in Response Form. If you choose option 6b  or 7, you must
submit both forms as well as  any other information/data pertaining
to the option chosen to address the data requirement.

     5. Request for Data Waivers.  Data waivers are discussed in
Section III-D of this Notice  and are covered by options 8 and 9 on
the Requirements Status and Registrant's Response Form.  If you
choose one of these options,  you must  submit both forms as well as
any other information/data  pertaining  to the option chosen to
address the data requirement.

III-C  SATISFYING THE DATA  REQUIREMENTS OF THIS NOTICE

     If you acknowledge on  the Data Call-in Response Form that you
agree to satisfy the data requirements (i.e. you select option 6b
and/or 7) , then you must select one of the six  options on the
Requirements Status and Registrant's Response Form related to data
production for each data requirement.  Your option selection should
be entered under item number  9, "Registrant Response."  The six
options related to data production are the first six options
discussed under item 9 in the instructions for  completing the
Requirements Status and Registrant's Response Form.  These six
options are listed immediately below with information in
parentheses to guide registrants to additional  instructions
provided in this Section.   The options are:

     (1)   I will generate and submit data within the specified
          timeframe (Developing Data)
     (2)   I have entered into an agreement with one or more
          registrants to develop data  jointly (Cost Sharing)
     (3)   I have made offers  to cost-share (Offers to Cost Share)
     (4)   I am submitting an  existing  study that has not been
          submitted previously to the  Agency by anyone (Submitting
          an Existing Study)
     (5)   I am submitting or  citing data to upgrade a study
          classified by EPA as partially acceptable and upgradeable
          (Upgrading a Study)
     (6)   I am citing an existing study that EPA has classified as
          acceptable or an  existing study that  has been submitted
          but not reviewed  by the Agency (Citing an Existing Study)
                                 6

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     Option 1, Developing Data — If you choose to develop the
required data it must be in conformance with Agency deadlines and
with other Agency requirements as referenced herein and in the
attachments.  All data generated and submitted must comply with the
Good Laboratory Practice (GLP) rule (40 CFR Part 160), be conducted
according to the Pesticide Assessment Guidelines (PAG), and be in
conformance with the requirements of PR Notice 86-5.  In addition,
certain studies require Agency approval of test protocols in
advance of study initiation.  Those studies for which a protocol
must be submitted have been identified in the Requirements Status
and Registrant's Response Form and/or footnotes to the form.  If
you wish to use a protocol which differs from the options discussed
in Section II-C of this Notice, you must submit a detailed
description of the proposed protocol and your reason for wishing to
use it.  The Agency may choose to reject a protocol not specified
in Section II-C.  If the Agency rejects your protocol you will be
notified in writing, however, you should be aware that rejection of
a proposed protocol will not be a basis for extending the deadline
for submission of data.

     A progress report must be submitted for each study within 90
days from the date you are required to commit to generate or
undertake some other means to address that study, requirement, such
as making an offer to cost share or agreeing to share in the cost
of developing that study.  A 90-day progress report must be
submitted for all studies.  This 90-day progress report must
include the date the study was or will be initiated and, for
studies to be started within 12 months of commitment, the name and
address of the laboratory (ies) or individuals who are or will be
conducting the study.

     In addition, if the time frame for submission of a final
report is more than 1 year, interim reports must be submitted at 12
month intervals from the date you are required to commit to
generate or otherwise address the requirement for the study.
In addition to the other information specified in the preceding
paragraph, at a minimum, a brief description of current activity on
and the status of the study must be included as well as a full
description of any problems encountered since the last progress
report.

     The time frames in the Requirements Status and Registrant7s
Response Form are the time frames that the Agency is allowing for
the submission of completed study reports or protocols.  The noted
deadlines run from the date of the receipt of this Notice by the
registrant.  If the data are not submitted by the deadline, each
registrant is subject to receipt of a Notice of Intent to Suspend
the affected registration(s).

     If you cannot submit the data/reports to the Agency in the
time required by this Notice and intend to seek additional time to
meet the requirements(s) , you must submit a request to the Agency

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which includes:   (1) a detailed description of the expected
difficulty and  (2) a proposed schedule including alternative dates
for meeting such requirements on a step-by-step basis.   You must
explain any technical or laboratory difficulties and provide
documentation from the laboratory performing the testing.   While
EPA is considering your request, the original deadline remains.
The Agency will respond to your request in writing.   If EPA does
not grant your request, the original deadline remains.   Normally,
extensions can be requested only in cases of extraordinary testing
problems beyond the expectation or control of the registrant.
Extensions will not be given in submitting the 90-day responses.
Extensions will not be considered if the request for extension is
not made in a timely fashion; in no event shall an extension
request be considered if it is submitted at or after the lapse of
the subject deadline.

     Option 2, Agreement to Share in Cost to Develop Data  — If
you choose to enter into an agreement to share in the cost of
producing the required data but will not be submitting the data
yourself, you must provide the name of the registrant who will be
submitting the data.  You must also provide EPA with documentary
evidence that an agreement has been formed.  Such evidence may be
your letter offering to join in an agreement and the other
registrant's acceptance of your offer, or a written statement by
the parties that an agreement exists.  The agreement to produce the
data need not specify all of the terms of the final arrangement
between the parties or the mechanism to resolve the terms.  Section
3(c)(2)(B) provides that if the parties cannot resolve the terms of
the agreement they may resolve their differences through binding
arbitration.

     Option 3. Offer to Share in the Cost of Data Development — If
you have made an offer to pay in an attempt to enter into an
agreement or amend an existing agreement to meet the requirements
of this Notice and have been unsuccessful, you may request EPA (by
selecting this option) to exercise its discretion not to suspend
your registration(s) , although you do not comply with the data
submission requirements of this Notice.  EPA has determined that as
a general policy, absent other relevant considerations, it will not
suspend the registration of a product of a registrant who has in
good faith sought and continues to seek to enter into a joint data
development/cost sharing program, but the other registrant(s)
developing the data has refused to accept your offer.  To qualify
for this option, you must submit documentation to the Agency
proving that you have made an offer to another registrant (who has
an obligation to submit data) to share in the burden of developing
that data.  You must also submit to the Agency a completed EPA Form
8570-32, Certification of Offer to Cost Share in the Development of
Data, Attachment E.  In addition, you must demonstrate that the
other registrant to whom the offer was made has not accepted your
offer to enter into a costsharing agreement by including a copy of
your offer and proof of the other registrant's receipt of that

                                 8

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offer (such as a certified mail receipt).  Your offer must, in
addition to anything else, offer to share in the burden of
producing the data upon terms to be agreed or failing agreement to
be bound by binding arbitration as provided by FIFRA section
3(c)(2)(B)(iii) and must not qualify this offer.   The other
registrant must also inform EPA of its election of an option to
develop and submit the data required by this Notice by submitting a
Data Call-in Response Form and a Requirements Status and
Registrant's Response Form committing to develop and submit the
data required by this Notice.

     In order for you to avoid suspension under this option, you
may not withdraw your offer to share in the burdens of developing
the data.  In addition, the other registrant must fulfill its
commitment to develop and submit the data as required by this
Notice.   If the other registrant fails to develop the data or for
some other reason is subject to suspension, your registration as
well as that of the other registrant will normally be_ subject to
initiation of suspension proceedings, unless you commit to submit,
and do submit the required data in the specified time frame.  In
such cases, the Agency generally will not grant a time extension
for submitting the data.

     Option 4. Submitting an Existing Study — If you choose to
submit an existing study in response to this Notice, you must
determine that the study satisfies the requirements imposed by this
Notice.  You may only submit a study that has not been previously
submitted to the Agency or previously cited by anyone.  Existing
studies are studies which predate issuance of this Notice.  Do not
use this option if you are submitting data to upgrade a study.  (See
Option 5).

     You should be aware that if the Agency determines that the
study is not acceptable, the Agency will require you to comply with
this Notice, normally without an extension of the required date of
submission.  The Agency may determine at any time that a study is
not valid and needs to be repeated.

     To meet the requirements of the DCI Notice for submitting an
existing  study, all of the following three criteria must be clearly
met:

     a. You must certify  at the time that the existing study is
     submitted that the raw data and specimens  from the study are
     available for audit  and review and you must  identify where
     they are  available.  This must be  done in  accordance with
     the  requirements  of  the Good Laboratory Practice  (GLP)
     regulation, 40 CFR Part  160. As stated in  40 CFR 160.3 (j)
     11  '[r]aw  data' means any  laboratory worksheets, records,
     memoranda, notes, or exact copies  thereof, that are the result
     of  original observations  and activities of a study and are
     necessary for the reconstruction and  evaluation of the report

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     of that study.  In the event that exact transcripts of raw
     data have been prepared  (e.g., tapes which have been
     transcribed verbatim, dated, and verified accurate by
     signature), the exact copy or exact transcript may be
     substituted for the original source as raw data.  'Raw data'
     may include photographs, microfilm or microfiche copies,
     computer printouts, magnetic media, including dictated
     observations, and recorded data from automated instruments."
     The term "specimens", according to 40 CFR 160.3 (k), means "any
     material derived from a test system for examination or
     analysis."

     b. Health and safety studies completed after May 1984 must
     also contain all GLP-required quality assurance and quality
     control information, pursuant to the requirements of 40 CFR
     Part 160.  Registrants must also certify at the time of
     submitting the existing study that such GLP information is
     available for post-May 1984 studies by including an
     appropriate statement on or attached to the study signed by an
     authorized official or representative of the registrant.

     c. You must certify that each study fulfills the acceptance
     criteria for the Guideline relevant to the study provided in
     the FIFRA Accelerated Reregistration Phase 3 Technical
     Guidance and that the study has been conducted according to
     the Pesticide Assessment Guidelines (PAG)  or meets the purpose
     of the PAG (both available from NTIS) .  A study not conducted
     according to the PAG may be submitted to the Agency for
     consideration if the registrant believes that the study
     clearly meets the purpose of the PAG.   The registrant is
     referred to 40 CFR 158.70 which states the Agency's policy
     regarding acceptable protocols. If you wish to submit the
     study, you must, in addition to certifying that the purposes
     of the PAG are met by the study, clearly articulate the
     rationale why you believe the study meets the purpose of the
     PAG, including copies of any supporting information or data. '
     It has been the Agency's experience that studies completed
     prior to January 1970 rarely satisfied the purpose of the PAG
     and that necessary raw data are usually not available for such
     studies.

     If you submit an existing study, you must certify that the
study meets all requirements of the criteria outlined above.

     If EPA has previ'ously reviewed a protocol for a study you are
submitting, you must identify any action taken by the Agency on the
protocol and must indicate, as part of your certification, the
manner in which all Agency comments, concerns,  or issues were
addressed in the final protocol and study.

     If you know of a study pertaining to any requirement in this
Notice which does not meet the criteria outlined above but does
                                 10

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contain factual information regarding unreasonable adverse effects,
you must notify the Agency of such a study.   If such  study is in
the Agency's files, you need only cite it along with the
notification. If not in the Agency's files,  you must submit a
summary and copies as required by PR Notice  86-5.

     Option 5, Upgrading a Study — If a study has been classified
as partially acceptable and upgradeable, you may submit data to
upgrade that study.  The Agency will review  the data submitted and
determine if the requirement is satisfied.  If the Agency decides
the requirement is not satisfied, you may still be required to
submit new data normally without any time extension.  Deficient,
but upgradeable studies will normally be classified as
supplemental.  However, it is important to note that not all
studies classified as supplemental are upgradeable.  If you have
questions regarding the classification of a  study or whether a
study may be upgraded, call or write the contact person listed in
Attachment A.  If you submit data to upgrade an existing study you
must satisfy or supply information to correct all deficiencies in
the study identified by EPA.  You must provide a clearly
articulated rationale of how the deficiencies have been remedied or
corrected and why the study should be rated  as acceptable to EPA.
Your submission must also specify the MRID number(s) of the study
which you are attempting to upgrade and must be in conformance with
PR Notice 86-5.

     Do not submit additional data for the purpose of upgrading a
study classified as unacceptable and determined by the Agency as
not capable of being upgraded.

     This option should also be used to cite data that has been
previously submitted to upgrade a study, but has not yet been
reviewed by the Agency.  You must provide the MRID number of the
data submission as well as the MRID number of the study being
upgraded.

     The criteria for submitting an existing study, as specified in
Option 4 above, apply to all data submissions intended to upgrade
studies.  Additionally your submission of data intended to upgrade
studies must be accompanied by a certification that you comply with
each of those criteria as well as a certification regarding
protocol compliance with Agency requirements.

     Option 6. Citing Existing Studies — If you choose to cite a
study that has been previously submitted to  EPA, that study must
have been previously classified by EPA as acceptable or it must be
a study which has not yet been reviewed by the Agency.  Acceptable
toxicology studies generally will have been  classified as "core-
guideline" or "core minimum."  For ecological effects* studies, the
classification generally would be a rating of "core."  For all
other disciplines the classification would be "acceptable."  With
respect to any studies for which you wish to select this option you

                                 11

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must provide the MRID number of the study you are citing and, if
the study has been reviewed by the Agency, you must provide the
Agency's classification of the study.

     If you are citing a study of which you are not the original
data submitter, you must submit a completed copy of EPA Form
8570-31, Certification with Respect to Data Compensation
Requirements.

III-D  REQUESTS FOR DATA WAIVERS

     There are two types of data waiver responses to this Notice.
The first is a request for a low volume/minor use waiver and the
second is a waiver request based on your belief that the data
requirement(s) are inapplicable and do not apply to your product.

1. Low Volume/Minor Use Waiver —  Option 8 on the Requirements
Status and Registrant7s Response Form.  Section 3(c)(2)(A) of FIFRA
requires EPA to consider the appropriateness of requiring data for
low volume, minor use pesticides.  In implementing this provision
EPA considers as low volume pesticides only those active
ingredients whose total production volume for all pesticide
registrants is small.  In determining whether to grant a low
volume, minor use waiver the Agency will consider the extent,
pattern and volume of use, the economic incentive to conduct the
testing, the importance of the pesticide, and the exposure and risk
from use of the pesticide.  If an active ingredient is used for
both high volume and low volume uses, a low volume exemption will
not be approved.  If all uses of an active ingredient are low
volume and the combined volumes for all uses are also low, then an
exemption may be granted, depending on review of other information
outlined below.  An exemption will not be granted if any registrant
of the active ingredient elects to conduct the testing.  Any
registrant receiving a low volume minor use waiver must remain
within the sales figures in their forecast supporting the waiver
request in order to remain qualified for such waiver.   If granted a
waiver, a registrant will be required, as a condition of the
waiver, to submit annual sales reports.  The Agency will respond to
requests for waivers in writing.

     To apply for a low volume, minor use waiver, you must submit
the following information, as applicable to your product (s), as
part of your 90-day response to this Notice:

     a.   (i). Total company sales (pounds and dollars) of all
          registered product(s) containing the active ingredient.
          If applicable to the active ingredient, include foreign
          sales for those products that are not registered in this
          cduntry but are applied to sugar  (cane or beet), coffee,
          bananas, cocoa, and other such crops.  Present the above
          information by year for each of the past five years.
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(ii).   Provide an estimate of the sales (pounds and
dollars) of the active ingredient for each major use
site.   Present the above information by year for each of
the past five years.

Total direct production cost of product(s) containing the
active ingredient by year for the past five years.
Include information on raw material cost, direct labor
cost,  advertising, sales and marketing, and any other
significant costs listed separately.

Total indirect production cost (e.g. plant overhead,
amortized plant and equipment) charged to product(s)
containing the active ingredient by year for the past
five years.  Exclude all non-recurring costs that were
directly related to the active ingredient, such as costs
of  initial registration and any data development.

(i) . A list of each data requirement for which you
seek a waiver.  Indicate the type of waiver sought
and the estimated cost to you (listed separately for
each data requirement and associated test) of
onducting the testing needed to fulfill each of
these data requirements.

(ii) .  A list of each data requirement for which you
are not seeking any waiver and the estimated cost to
you (listed separately for each data requirement and
associated test) of conducting the testing needed to
fulfill each of these data requirements.

For each of the next ten years, a year-by-year fore- cast
of  company sales  (pounds and dollars) of the  active
ingredient, direct production costs of product(s)
containing the active ingredient  (following the
parameters in item 2 above), indirect production costs of
product(s) containing the active ingredient  (following
the parameters in item 3 above), and costs of data
development pertaining to the active ingredient.

A description of the importance and unique benefits of
the active ingredient to users.  Discuss the use patterns
and the effectiveness of the active ingredient relative
to  registered alternative chemicals and non-chemical
control strategies.  Focus on benefits unique to  the
active  ingredient, providing  information that  is  as
quantitative as possible.  If you do not have
quantitative data upon which to base your estimates, then
present the reasoning used to derive your estimates.  To
assist  the Agency in determining the degree  of importance
of  the  active ingredient in terms of its benefits, you
should  provide  information on any of the  following
                       13

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          factors, as applicable to your product(s):  (a)
          documentation of the usefulness of the active ingredient
          in Integrated Pest Management, (b) description  of the
          beneficial impacts on the environment of use of the
          active ingredient, as opposed to its registered
          alternatives, (c) information on the breakdown of the
          active ingredient after use and on its persistence in the
          environment, and (d) description of its usefulness
          against a pest(s) of public health significance.


     Failure to submit sufficient information for the Agency to
make a determination regarding a request for a low volume/minor use
waiver will result in denial of the request for a waiver.

2.  Request for Waiver of Data  —  Option 9 on the Requirements
Status and Registrant's Response Form.  This option may be used if
you believe that a particular data requirement should not apply
because the corresponding use is no longer registered or the
requirement is inappropriate.  You must submit a rationale
explaining why you believe the data requirements should not apply.
You must also submit the current label (s)  of your product (s) and,
if a current copy of your Confidential Statement of Formula is not
already on file you must submit a current copy.

     You will be informed of the Agency's decision in writing.  If
the Agency determines that the data requirements of this Notice do
not apply to your product (s) , you will not be required to supply
the data pursuant to section 3(c)(2)(B).  If EPA determines that
the data are required for your productfs) ,  you must choose a method
of meeting the requirements of this Notice within the time frame
provided by this Notice.  Within 30 days of your receipt of the
Agency's written decision,  you must submit a revised Requirements
Status and Registrant's Response Form indicating the option chosen.


IV.  CONSEQUENCES OF FAILURE TO COMPLY WITH THIS NOTICE

IV-A NOTICE OF INTENT TO SUSPEND

     The Agency may issue a Notice of Intent to Suspend products
subject to this Notice due to failure by a registrant to comply
with the requirements of this Data Call-in Notice, pursuant to
FIFRA section 3(c)(2)(B).   Events which may be the basis for
issuance of a Notice of Intent to Suspend include, but are not
limited to, the following:
                                14

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1.  Failure to respond as required by this Notice within
90 days of your receipt of this Notice.

2.  Failure to submit on the required schedule an acceptable
proposed or final protocol when such is required to be
submitted to the Agency for review.

3.  Failure to submit on the required schedule an adequate
progress report on a study as required by this Notice.

4.  Failure to submit on the required schedule acceptable
data as required by this Notice.

5.  Failure to take a required action or submit adequate
information pertaining to any option chosen to address the
data requirements  (e.g., any required action or information
pertaining to submission or citation of existing studies or
offers, arrangements, or arbitration on the sharing of costs
or the formation of Task Forces, failure to comply with the
terms of an agreement or arbitration concerning joint data
development or failure to comply with any terms of a data
waiver).

6.  Failure to submit supportable certifications as to the
conditions of submitted studies, as required by Section III-C
of this Notice.

7. Withdrawal of an offer to share in the cost of developing
required data.

8. Failure of the  registrant to whom you have tendered an
offer to share in  the cost of developing data and provided
proof of the registrant's receipt of such offer or failure of
a registrant on whom you rely for a generic data exemption
either to:

     a. inform EPA of intent to develop and submit the data
     required by this Notice on a Data Call-in Response Form
     and a Requirements Status and Registrant's Response Form;

     b. fulfill the commitment to develop and submit the data
     as required by this Notice; or

     c. otherwise  take appropriate steps to meet the
     requirements  stated in this Notice,

unless you  commit  to  submit and do submit the required data in
the  specified time frame.

 9.   Failure to  take any required or  appropriate steps, not
mentioned  above,  at any time  following the issuance of this
Notice.
                            15

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 IV-B.   BASIS FOR DETERMINATION THAT SUBMITTED STUDY IS
       UNACCEPTABLE

     The Agency may determine that a study  (even if submitted
 within the required time)  is unacceptable and constitutes  a  basis
 for  issuance of a Notice of Intent to Suspend.  The grounds  for
 suspension include,  but are not limited to, failure to meet  any of
 the  following:

     1.  EPA requirements  specified in the Data Call-in Notice or
     other documents incorporated by reference (including, as
     applicable,  EPA Pesticide Assessment Guidelines, Data
     Reporting  Guidelines, and GeneTox Health Effects Test
     Guidelines)  regarding the design, conduct, and reporting of
     required studies.  Such requirements include, but are not
     limited to,  those relating to test material, test procedures,
     selection  of species, number of animals, sex and distribution
     of  animals,  dose and  effect levels to be tested or attained,
     duration of test, and, as applicable, Good Laboratory
     Practices.

     2.  EPA requirements  regarding the submission of protocols,
     including  the incorporation of any changes required by  the
     Agency following review.

     3.  EPA requirements  regarding the reporting of data,
     including  the manner  of reporting,  the completeness of
     results, and the adequacy of any required supporting  (or raw)
     data,  including, but  not limited to, requirements referenced
     or  included in  this Notice or contained in PR 86-5.   All
     studies must be submitted in the form of a final report; a
     preliminary report will not be considered to fulfill  the
     submission requirement.

IV-C  EXISTING  STOCKS OF SUSPENDED OR CANCELLED PRODUCTS

     EPA has statutory authority to permit continued sale,
distribution and use of existing stocks of a pesticide product
which has been  suspended or cancelled if doing so would be
consistent with the  purposes of the Act.

     The Agency has  determined that such disposition by registrants
of existing  stocks for a suspended registration when a section
3(c)(2)(B) data  request is outstanding would generally not be
consistent with  the  Act's purposes.  Accordingly, the Agency
anticipates  granting registrants permission to sell, distribute, or
use existing stocks  of suspended product(s)  only in exceptional
circumstances.   If you believe such disposition of existing stocks
of your  product (s) which may be suspended for failure to comply
with this Notice  should be permitted,  you have the burden of
clearly  demonstrating to EPA that granting such permission would be
consistent with the  Act. You must also explain why an "existing

                                16

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stocks" provision is necessary,  including a statement of the
quantity of existing stocks and your estimate of the time required
for their sale, distribution,  and use.   Unless you meet this burden
the Agency will not consider any request pertaining to the
continued sale, distribution,  or use of your existing stocks after
suspension.

     If you request a voluntary cancellation of your product(s) as
a response to this Notice and your product is in full compliance
with all Agency requirements,  you will  have, under most
circumstances, one year from the date your 90 day response to this
Notice is due, to sell, distribute, or  use existing stocks.
Normally, the Agency will allow persons other than the registrant
such as independent distributors, retailers and end users to sell,
distribute or use such existing stocks  until the stocks are
exhausted.  Any sale, distribution or use of stocks of voluntarily
cancelled products containing an active ingredient for which the
Agency has particular risk concerns will be determined on case-by-
case basis.

     Requests for voluntary cancellation received after the 90 day
response period required by this Notice will not result in the
Agency granting any additional time to  sell, distribute, or use
existing stocks beyond a year from the  date the 90 day response was
due unless you demonstrate to the Agency that you are in full
compliance with all Agency requirements, including the requirements
of this Notice.  For example,  if you decide to voluntarily cancel
your registration six months before a 3 year study is scheduled to
be submitted, all progress reports and  other information necessary
to establish that you have been conducting the study in an
acceptable and good faith manner must have been submitted to the
Agency, before EPA will consider granting an existing stocks
provision.

SECTION V.  REGISTRANTS' OBLIGATION TO  REPORT POSSIBLE
          UNREASONABLE ADVERSE EFFECTS

     Registrants are reminded that FIFRA section 6(a)(2) states
that if at any time after a pesticide is registered a registrant
has additional factual information regarding unreasonable adverse
effects on the environment by the pesticide, the registrant shall
submit the information to the Agency.  Registrants must notify the
Agency of any factual information they have, from whatever source,
including but not limited to interim or preliminary results of
studies, regarding unreasonable adverse effects on man or the
environment.  This requirement continues as long as the products
are registered by the Agency.

SECTION VI.  INQUIRIES AND RESPONSES TO THIS NOTICE

     If you have any questions regarding the requirements and
procedures established by this Notice,  call the contact person
listed in Attachment A, the Data Call-in Chemical Status Sheet.
                                 17

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     All responses to this Notice  (other than voluntary
cancellation requests and generic data exemption claims) must
include a completed Data Call-in Response Form  (Attachment B) and a
completed Requirements Status and Registrant/s Response Form
(Attachment C) and any other documents required by this Notice, and
should be submitted to the contact person identified in Attachment
A. If the voluntary cancellation or generic data exemption option
is chosen, only the Data Call-in Response Form need be submitted.

     The Office of Compliance Monitoring (OCM) of the Office of
Pesticides and Toxic Substances (OPTS), EPA, will be monitoring the
data being generated in response to this Notice.

                             Sincerely yours,
                                       &<£6£<£gL~~. /
                                                   j^^y~
          A
          B
          C

          D
          E
          F
              Daniel M. Barolo, Director
              Special Review and
                Reregistration Division

         Attachments

Data Call-in Chemical Status Sheet
Data Call-in Response Form
Requirements Status and Registrants
Response Form
List of Registrants Receiving This Notice
EPA Acceptance Criteria
Cost Share and Data Compensation Forms
                                 18

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      ATTACHMENT A
Generic DCI Chemical Status Sheet
             79

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BUTYLATE: DATA CALL-IN CHEMICAL STATUS SHEET

INTRODUCTION

       You have been sent  this Generic Data  Call-In Notice because you have products
containing butylate.

       This Generic Data Call-in Chemical Status Sheet, contains an overview of data required
by this notice, and point of contact for inquiries pertaining to the reregistration of butylate. This
attachment is to be used in conjunction with (1) the Generic Data Call-In Notice, (2) the Generic
Data Call-in Response Form (Attachment B), (3)  the Requirements Status and Registrant's
Response Form (Attachment C), (4) a list of registrants subject to this DCI and List of Products
Subject to this generic DCI (Attachment D),  (5) the EPA Acceptance Criteria (Attachment E),
and (6) the Cost Share and Data Compensation Forms in replying to this butylate Generic Data
Call-in (Attachment F). Instructions and guidance accompany each form.

DATA REQUIRED BY THIS NOTICE

       The additional data requirements  needed to complete the database for butylate are
contained in the Requirements Status and Registrant's Response. Attachment C.  The Agency
has concluded that additional data on butylate are needed on certain technical/manufacturing use
products. These data are required to be submitted to the Agency within the time frame listed.
These data are needed to fully complete the reregistration of all  eligible butylate products.

INQUIRIES AND RESPONSES TO THIS NOTICE

       If you have any questions regarding the generic database of butylate, please contact Ms.
Judy Loranger at (703) 308-8056.

       If you  have any  questions regarding  the product specific "data requirements and
procedures established by this Notice, please  contact Mr. Franklin Gee at (703) 308-8008.

       All responses  to this  Notice for the Product Specific  data requirements  should  be
       submitted to:

             Ms. Veronica Dutch
             Special Review and Reregistration Division
             Office of Pesticide Programs, H7508W
             U.S. Environmental Protection Agency
             Washington, D.C.  20460

             RE: Butylate
                                         80

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              ATTACHMENT B
Generic Data Call-in Response Form Instructions
   (Form A included in registrants copy only)

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                          SPECIFIC INSTRUCTIONS FOR
                      THE DATA CALL-IN RESPONSE FORM
       This form is designed to be used to respond to call-ins for generic and product specific
data for the purpose of reregistering pesticides under the Federal Insecticide Fungicide and
Rodenticide Act.  Fill out this form each time you are responding to a data call-in for which
EPA has sent you the form entitled "Requirements Status and Registrant's Response."

       Items 1 -4 will have been preprinted on the form. Items 5 through 7 must be completed
by the registrant as appropriate. Items 8 through 11 must be completed by the registrant before
submitting a response to the Agency.

       Public reporting burden for this collection of information is estimated to  average 15
minutes per response, including time for reviewing instructions, searching existing data sources,
gathering  and  maintaining the data  needed, and completing  and reviewing the collection of
information. Send comments regarding the burden estimate or any other aspect of this collection
of information, including  suggesting for reducing this burden,  to Chief, Information Policy
Branch, PM-223, U.S. Environmental Protection Agency, 401 M St., S.W., Washington, D.C.
20460; and to the Office of Management and Budget, Paperwork Reduction Project 2070-0107,
Washington, D.C. 20503.

INSTRUCTIONS

Item 1.      This item identifies your company name, number and address.

Item 2.             This item identifies the case number, case name, EPA chemical
                    number and chemical name.

Item 3.      This item identifies the date and type of data call-in.

Item 4.      This item identifies the EPA product registrations relevant to the data call-in.
             Please note that you  are also responsible  for informing the  Agency of your
             response regarding any product that you believe may be covered by this data call-
             in but that is not listed by the Agency in  Item 4.  You must bring  any such
             apparent omission to the Agency's attention  within the period required  for
             submission of this response form.

Item 5.             Check this item for each product registration you wish to cancel
                    voluntarily.  If a registration number is listed for a product for
                    which you previously requested voluntary cancellation, indicate in
                    Item 5 the date of that request. You do not need to complete any
                                          82

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                    item on the Requirements Status and Registrant's Response Form
                    for any product that is voluntarily cancelled.

Item 6a.      Check this item if this data call-in is for generic data as indicated in Item 3 and
             if you are eligible for a Generic Data Exemption for the chemical listed in Item
             2 and used in the subject product. By electing this exemption, you agree to the
             terms and conditions of a Generic Data Exemption as explained in the Data Call-
             in Notice.

                  .  If you are eligible for or claim a Generic Data Exemption, enter
                    the EPA registration  Number of each registered source of that
                    active ingredient that you use in your product.

                    Typically, if you purchase an EPA-registered product from one or
                    more other producers (who,  with respect  to the incorporated
                    product, are in compliance with this and any other outstanding
                    Data  Call-in Notice),  and incorporate that product into all your
                    products, you may complete this item for all products listed on this
                    form.  If, however, you produce the active ingredient yourself, or
                    use any unregistered product (regardless  of the fact that some of
                    your  sources are  registered), you may not claim a  Generic Data
                    Exemption and you may not select this item.

Item 6b.      Check this Item if the data call-in is a generic data call-in as indicated in Item 3
             and if you are agreeing to satisfy the generic data requirements of this data call-
             in. Attach the Requirements Status and Registrant's Response Form that indicates
             how you will satisfy those requirements.

Item 7a.      Check this item if this  call-in  is a data call-in as indicated in Item  3 for a
             manufacturing use product (MUP), and if your  product is a manufacturing  use
             product  for  which you agree  to  supply product-specific data.   Attach  the
             Requirements Status and  Registrants' Response Form that indicates  how you will
             satisfy those requirements.

Item 7b.      Check this item if this call-in is a data call-in for an end use product (EUP) as
             indicated in Item 3 and if your product is a end use product for which you agree
             to supply product-specific data.  Attach the Requirements Status and Registrant's
             Response Form that indicates how you will satisfy those requirements.

Item 8.             This  certification statement  must be signed  by  an authorized
                    representative of your company  and the person  signing  must
                    include his/her title. Additional pages used in your response must
                    be initialled and dated in the space provided for the certification.
                                           83

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Item 9.             Enter the date of signature.

Item 10.      Enter the name of the person EPA should contact with questions regarding your
             response.

Item 11.      Enter the phone number of your company contact.
                                         84

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                ATTACHMENT C
Requirements Status and Registrants' Forms (Form B)
                 plus Instructions
                        85

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                  SPECIFIC INSTRUCTIONS FOR COMPLETING
     THE REQUIREMENTS STATUS AND REGISTRANT'S RESPONSE FORM

                                    Generic Data
       This form is designed to be used for registrants to respond to call-ins for generic and
product-specific data as part of EPA's reregistration program under the Federal Insecticide
Fungicide and Rodenticide Act. Although the form is the same for both product specific and
generic data,  instructions  for completing  the forms differ slightly.  Specifically, options for
satisfying product specific data requirements do not include (1) deletion of uses or (2) request
for a low volume/minor use waiver.  These instructions are for completion of generic data
requirements.

       EPA  has developed  this  form individually for  each data call-in addressed to each
registrant, and has preprinted this form with a number of items.  DO NOT use this form for any
other active ingredient.

       Items 1 through 8 (inclusive) will have been preprinted on the form. You must complete
all other items on this form by typing or printing legibly.

       Public reporting burden for this collection  of information is estimated to average 30
minutes per response, including time for reviewing instructions, searching existing data sources,
gathering and maintaining the data needed, and completing and reviewing the  collection of
information.  Send comments regarding the burden estimate or any other aspect of this collection
of information,  including  suggesting  for reducing  this burden, to Chief, Information Policy
Branch, PM-223, U.S. Environmental Protection Agency, 401 M St., S.W., Washington, D.C.
20460; and to the Office of Management and Budget, Paperwork Reduction Project 2070-0107,
Washington, D.C. 20503.
                                        86

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INSTRUCTIONS

Item 1.       This item identifies your company name, number, and address.

Item 2.       This item identifies the case number, case name, EPA chemical number and
             chemical name.

Item 3.       This item identifies the date and type of data call-in.

Item 4.       This item identifies the guideline reference numbers of studies required to support
             the product(s) being reregistered.  These guidelines, in addition to requirements
             specified in the Data Call-In Notice, govern the conduct of the required studies.

Item 5.       This item identifies the study title associated with the guideline reference number
             and whether protocols and 1, 2, or 3-year progress reports are required to be
             submitted in connection with the study. As noted in Section HI of the Data Call-
             in Notice, 90-day progress reports are required for all studies.

             If an asterisk appears in Item 5, EPA has  attached information relevant to this
             guideline reference number to the Requirements Status and Registrant's Response
             Form.

Item 6.       This item identifies the code associated with the use pattern of the
             pesticide. A brief description of each code follows:
             A
             B
             C
             D
             E
             F
             G
             H
             I
             J
             K
             L
             M
             N
             O
Terrestrial food
Terrestrial feed
Terrestrial non-food
Aquatic food
Aquatic non-food outdoor
Aquatic non-food industrial
Aquatic non-food residential
Greenhouse food
Greenhouse non-food crop
Forestry
Residential
Indoor food
Indoor non-food
Indoor medical
Indoor residential
                                          87

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Item 7.      This item identifies the code assigned to the substance that must be used for
             testing.  A brief description of each code follows:
EP
MP
MP/TGAI

PAI
PAI/M
PAI/PAIRA

PAIRA
PAIRA/M

PAIRA/PM

TEP
TEP 	%

TEP/MET
TEP/PAI/M

TGAI
TGAI/PAI

TGAI/PAIRA

TGAI/TEP

MET
IMP
DEGR
                                       End-Use Product
                                       Manufacturing-Use Product
                                       Manufacturing-Use Product and Technical Grade
                                       Active Ingredient
                                       Pure Active Ingredient
                                       Pure Active Ingredient and Metabolites
                                       Pure Active Ingredient or Pure Active Ingredient
                                       Radiolabelled
                                       Pure Active Ingredient Radiolabelled
                                       Pure  Active   Ingredient  Radiolabelled   and
                                       Metabolites
                                       Pure Active. Ingredient Radiolabelled and Plant
                                       Metabolites
                                       Typical End-Use Product
                                       Typical End-Use Product, Percent Active Ingredient
                                       Specified
                                       Typical End-Use Product and Metabolites
                                       Typical End-Use Product or Pure Active Ingredient
                                       and Metabolites
                                       Technical Grade Active Ingredient
                                       Technical Grade Active Ingredient or Pure Active
                                       Ingredient
                                       Technical Grade Active Ingredient or Pure Active
                                       Ingredient Radiolabelled
                                       Technical Grade Active Ingredient or Typical End-
                                       Use Product
                                       Metabolites
                                       Impurities
                                       Degradates
                                       See: guideline comment
Item 8.       This item identifies the time frame  allowed for submission  of the study or
             protocol identified in item 2. The time frame runs from the date of your receipt
             of the Data Call-in Notice.

Item 9.       Enter the appropriate Response Code or Codes to show how you intend to comply
             with each data requirement.  Brief descriptions of each code follow. The Data
             Call-in Notice contains a fuller description of each of these options.

-------
(Developing Data) I will conduct a new study and submit it within the
time frames specified in item 8 above.  By indicating that I have chosen
this  option, I  certify  that I will comply with  all  the  requirements
pertaining to the conditions for submittal of this study as outlined in the
Data Call-in Notice and that I will provide the protocols and progress
reports required in item 5 above.

(Agreement to Cost Share) I have entered into an agreement with one or
more registrants to develop data jointly. By indicating that I have chosen
this  option, I  certify  that I will comply with  all  the  requirements
pertaining to sharing in the cost of developing data as outlined in the Data
Call-in Notice.

(Offer to Cost Share) I have made an offer to enter into an agreement with
one or more registrants to develop data jointly.  I am submitting a copy
of the form "Certification of Offer to Cost Share in the Development of
Data" that describes this  offer/agreement.  By  indicating that I have
chosen this option, I certify that I will comply with all the requirements
pertaining to making an offer to  share in the cost of developing data as
outlined in the Data Call-In Notice.

(Submitting Existing Data) I am  submitting an existing study that has
never before been submitted to EPA.   By indicating that I have chosen
this option, I certify that this study meets all the requirements  pertaining
to the conditions for submittal of existing data outlined in the Data Call-in
Notice and I have attached the needed supporting information along with
this response.

(Upgrading a Study) I am submitting or citing data to upgrade a study that
EPA has classified as partially acceptable and potentially upgradeable. By
indicating that I have chosen this option, I certify that I have met all the
requirements pertaining to the conditions for submitting or citing existing
data to upgrade a study described in  the Data  Call-in Notice.  I am
indicating on attached  correspondence  the Master Record Identification
Number (MRID) that EPA has assigned to the data that I am citing as well
as the MRID of the study I am attempting to upgrade.

(Citing a Study) I am  citing an existing  study that has been  previously
classified by EPA as acceptable, core, core minimum, or a study that has
not yet been reviewed by the Agency.  I am providing  the Agency's
classification of the study.

(Deleting Uses) I am attaching  an application  for amendment to my
registration deleting the uses for which the data are required.
                       89

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             8.     (Low Volume/Minor Use Waiver Request)  I have read the statements
                    concerning low volume-minor use data waivers in the Data Call-in Notice
                    and I request a low-volume minor use waiver of the data requirement. I
                    am attaching a  detailed justification  to  support  this waiver  request
                    including,  among other things, all information required to support  the
                    request.  I understand that, unless modified by the Agency in writing,  the
                    data requirement as stated in the Notice governs.

             9.     (Request for Waiver of Data) I have read the statements concerning data
                    waivers other than low-volume minor-use data waivers in the Data Call-in
                    Notice and I request a waiver of the data requirement.  I am attaching an
                    identification of the basis for this waiver and a detailed justification to
                    support this  waiver request.   The justification includes,  among  other
                    things, all information required to support the request.  I understand that,
                    unless modified by the Agency in writing, the data requirement as stated
                    in the Notice governs.

Item 10.      This item must be signed by an authorized representative of your company. The
             person signing must include his/her title, and must initial and date all other pages
             of this form.

Item 11.      Enter the date of signature.

Item 12.      Enter the name of the person EPA should contact with questions regarding your
             response.

Item 13.      Enter the phone number of your company contact.
                                         90

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-------
        ATTACHMENT D
List of all Registrant(s) sent this DCI
 (Included in registrants copy only)
                 91

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   ATTACHMENT E
EPA Acceptance Criteria
          92

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                          SUBDIVISION D
Guideline

Series 61
Series 62
Series 63
        Study Title

Product Identity and Composition
Analysis and Certification of Product Ingredients
Physical and Chemical Characteristics
                                93

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               61 Product Identity and Composition
                       ACCEPTANCE CRITERIA
4.

5,




6.



7.
Does your study meet the following acceptance criteria?

1.	 Name of technical material tested (include product name and
      trade name, if appropriate)
2.	 Name, nominal concentration,  and certified limits  (upper and
      lower) for each active ingredient and each intentionally-
      added inert ingredient
3.	 Name and upper certified limit for each impurity or each
      group of impurities present at > 0.1% by weight and for
      certain toxicologically significant impurities  (e.g.,
      dioxins, nitrosamines) present at <0.l%
    _ Purpose of each active ingredient and each intentionally-
      added inert
    _ Chemical name from Chemical Abstracts index of Nomenclature
      and Chemical Abstracts Service (CAS)  Registry Number for each
      active ingredient and, if available, for each intentionally-
      added inert
    _ Molecular, structural, and empirical formulas, molecular
      weight or weight range, and any company assigned experimental
      or internal code numbers for each active ingredient
    _ Description of each beginning material in the manufacturing
      process
      	 EPA Registration Number if registered;  for other
           beginning materials,  the following:
      	 Name and address of manufacturer or supplier
      	 Brand name,  trade name or commercial designation
      	 Technical specifications or data sheets by which
           manufacturer or supplier describes composition,
           properties or toxicity
8.	 Description of manufacturing process
      	 Statement of whether batch or continuous process
      	 Relative amounts of beginning materials and order in
           which they are added
      	 Description of equipment
      	 Description of physical conditions (temperature,
           pressure, humidity)  controlled in each step and the
           parameters that are maintained
      	 Statement of whether process involves intended chemical
           reactions
                               94

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8.  (continued)
      	 Flow chart with chemical equations for each intended
           chemical reaction
      	 Duration of each step of process
      	 Description of purification procedures
      	 Description of measures taken to assure quality of final
           product

      Discussion of formation of impurities based on established
      chemical theory addressing (1)  each impurity which may be
      present at > 0.1%  or was found at > 0.1% by product analyses
      and (2) certain toxicologically significant impurities
      (see #3)
                                95

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               61 Product  Identity and Composition
               GUIDANCE FOR SUMMARIZING STUDIES
The following criteria apply to the technical grade of the active
ingredient  being reregistered.    Items  1,  2,  3,  and  5  can  be
satisfied  for  most  registered  products  by  submission  of  the
Certified Statement of Formula Ingredients Page  (EPA Form 8570-4) .
Items 7  and 8  can  be satisfied for most  technical grade active
ingredients  (TGAIs)  by submission of a  flow chart with chemical
equations for  each intended  chemical  reaction.   The  flow chart
should include  complete  chemical  structures and  names  for each
reactant and product  of all the reactions.


1. Name of technical material  (include product name and trade name,
   if appropriate).
2. Description  of each active and  intentionally-added inert
   ingredient, including name, concentration, and certified limits.
3. Name and upper limit for all impurities present at > 0.1% and
   those toxicologically  significant impurities present at <0.1%.
4. The purpose  of each active and  intentionally-added inert
   ingredient.
5. Chemical name and  Registry Number for each active and
   intentionally-added inert ingredient  (if available) .
6. Molecular, structural,  and empirical formulas, molecular weight,
   and any experimental or internal code number for each active
   ingredient.
7. Description  of each beginning material in the manufacturing
   process.
8. Description  of manufacturing process.
9. Discussion of formation of impurities based on established
   chemical theory.
                                96

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     62 Analysis and Certification of Product Ingredients
2
3,
                       ACCEPTANCE CRITERIA

The following criteria apply to the technical grade of the active
ingredient  being  reregistered.    Use  a  table to  present  the
information in items 6, 7, and 8.

Does your study meet the following acceptance criteria?

 1.	 Five or more representative samples (batches in case of
       batch process)  analyzed for each active ingredient and all
       impurities present at >. 0.1%
     _ Degree of accountability or closure >. ca 98%
     _ Analyses conducted for certain trace toxic impurities at
       lower than 0.1% (examples, nitrosamines in the case of
       products containing dinitroanilines or containing secondary
       or tertiary amines/alkanolamines plus nitrites;
       polyhalogenated dibenzodioxins and dibenzofurans)  [Note
       that in the case of nitrosamines both fresh and stored
       samples must be analyzed.]
 4.	 Complete and detailed description of each step in analytical
       method used to analyze above samples
 5.	 Statement of precision and accuracy of analytical method
       used to analyze above samples
 6.	 Identities and quantities  (including mean and standard
       deviation) provided for each analyzed ingredient
 7.	 Upper and lower certified limits proposed for each active
       ingredient and intentionally added inert along with
       explanation of how the limits were determined
 8.	Upper certified limit proposed for each impurity present at
       > 0.1% and for certain toxicologically significant
       impurities at <0.1% along with explanation of how limit
       determined
 9.	 Analytical methods to verify certified limits of each
       active ingredient and impurities  (latter not required  if
       exempt from requirement of tolerance or if generally
       recognized as safe by FDA) are fully described
10.	Analytical methods (as discussed in #9) to verify certified
       limits validated as to their precision and accuracy
                               97

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       62 Analysis and Certification of Product Ingredients
                 GUIDANCE FOR SUMMARIZING STUDIES
The following criteria apply to the technical grade of the active
ingredient being reregistered.


 1. Number of representative samples analyzed for all active
    ingredients and all impurities at >. 0.1%.

 2. Degree of accountability or closure in analyses in item #1.

 3. Chemical names of toxic impurities which were analyzed for
    levels <0.1%.

 4. Brief description(s) of analytical method(s) used to measure
    active ingredients and impurities in items #1 and #3.

 5. Statement of precision and accuracy of method (s) in item #4.

 6. Chemical name and quantities observed (range, mean, standard
    deviation)  for each ingredient (actives and impurities)
    analyzed in item #1.

 7. Proposed upper and lower certified limits for each active
    ingredient and intentionally added inert with brief explanation

    of how limits were determined.

 8. Proposed upper certified limit for each impurity present at
    >=0.1% and certain toxicologically significant impurities at
    <0.1% with brief explanation of how limits were determined.

 9. Brief description of analytical method(s) used to verify
    certified limits (if same methods as item #4, may reference
    latter).

10. Statement of precision and accuracy of method (s) in item #9
    (may reference item #5 if applicable).
                                98

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            63 Physical  and  Chemical Characteristics
                       ACCEPTANCE CRITERIA
The following criteria apply to the technical grade of the active
ingredient being reregistered.

Does your study meet the following acceptance criteria?

63-2 Color
     	 Verbal description of coloration (or lack of it)
       	 Any intentional coloration also reported in terms of
           Munsell color system

63-3 Physical State
     	 Verbal description of physical state provided using terms
           such as "solid, granular, volatile liquid"
     	 Based on visual inspection at about 20-25° C
63-4 Odor
         Verbal description of odor (or lack of it) using terms
           such as "garlic-like, characteristic of aromatic
           compounds"
         Observed at room temperature
63-5 Melting Point
     	 Reported in C°
     	 Any observed decomposition reported

63-6 Boiling Point
     	 Reported in C°
     	 Pressure under which B.P. measured reported
     	 Any observed decomposition reported

63-7 Density, Bulk Density, Specific Gravity
     	 Measured at about 20-25° C
     	 Density of technical grade active ingredient reported in
           g/ml or the specific gravity of liquids reported with
           reference to water at 20° C. [Note: Bulk density of
           registered products may be reported in lbs/ft3  or
           Ibs/gallon.]
                                99

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63-8 Solubility
     	Determined in distilled water and representative polar and
           non-polar solvents,  including those used in formulations
           and analytical methods for the pesticide
     	 Measured at about 20-25° C
     	 Reported in g/100 ml  (other units like ppm acceptable if
           sparingly soluble)

63-9 Vapor Pressure
     	 Measured at 25° C (or calculated by extrapolation from
           measurements made at higher temperature if pressure too
           low to measure at 25° C)
     	 Experimental procedure described
     	 Reported in mm Hg (torr) or other conventional units

63—10 Dissociation Constant
     	 Experimental method described
     	 Temperature of measurement specified (preferably
           about 20 - 25° C)

63-11 Octanol/water Partition Coefficient
     	 Measured at about 20-25° C
     	 Experimentally determined and description  of procedure
           provided (preferred method-45 Fed. Register 77350)
     	 Data supporting reported value provided

63-12 pH
     	 Measured at about 20 - 25° C
     	 Measured following dilution or dispersion  in distilled
           water

63-13 Stability
     	 Sensitivity to metal ions and metal determined
     	 Stability at normal and elevated temperatures
     	 Sensitivity to sunlight determined
                               100

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            63 Physical and Chemical  Characteristics
                GUIDANCE FOR  SUMMARIZING STUDIES
The following criteria apply to the technical grade of the active
ingredient being reregistered.


 1. Description of color.
 2. Description of physical state.
 3. Description of odor.
 4. Indication of melting point (in C°) .
 5. Indication of boiling point (in C°).
 6. Indication of density, bulk density, and specific gravity.
 7. Indication of solubility.
 8. Indication of vapor pressure.
 9. Indication of dissociation constant.
10. Indication of octanol/water partition coefficient.
11. Indication of PH.
12. Description of stability.
                                101

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                          SUBDIVISION F
Guideline

  81-1
  81-2
  81-3
  81-4
  81-5
  81-6
  81-7
           Study Title

Acute Oral Toxicity in the Rat
Acute Dermal Toxicity in the Rat, Rabbit or Guinea Pig
Acute Inhalation Toxicity in the Rat
Primary Eye Irritation in the Rabbit
Primary Dermal Irritation Study
Dermal Sensitization in the Guinea Pig
Acute Neurotoxicity in the Hen
                               102

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               81-1  Acute  Oral  Toxicity in the Rat
                      ACCEPTANCE CRITERIA
Does your study meet the following acceptance criteria?

 1.	 Identify material tested  (technical, end-use product, etc)
 2.	 At least 5 young adult rats/sex/group
 3.	 Dosing, single oral may be administered over 24 hrs.
        Vehicle control if other than water.
        Doses tested, sufficient to determine a toxicity category
        or a limit dose (5000 mg/kg).
        Individual observations at least once a day.
        Observation period to last at least 14 days, or until all
        test animals appear normal whichever is longer.
        Individual daily observations.
       \ Individual body weights.
        Gross necropsy on all animals.
 4.*.
 5.
 6.
 7.'

 8.
 9."
10."
Criteria marked with a * are supplemental and may not be required
for every study.
                               103

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              81-1 Acute Oral Toxicity in the Rat
                GUIDANCE FOR SUMMARIZING STUDIES
1. The form of pesticide tested, e.g. solid, liquid, percent
   AI in technical, end-use product, etc.
2. The number of animals/dose/sex tested.
3. Dosing route and regimen.
4. Vehicle used
5. Doses tested and results
6. Individual observations on day of dosing and for at
   least 14 days.
7. Summarization of body weights
8. Summarization of gross necropsy
9. Significance of changes from the Acceptance Criteria
                              104

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   81-2 Acute Dermal toxicity in the Rat, Rabbit or Guinea Pig
                       ACCEPTANCE CRITERIA
Does your study meet the following acceptance criteria?

 1.      Identify material tested  (technical, end-use product, etc)
   _
 3.*.
 8.

 9..
10.

11.
12,
13,
14,
At least 5 animals/sex/group
Rats 200-300 gm, rabbits 2.0-3.0 kg or guinea pigs 350-
450 gm.
Dosing, single dermal.
Dosing duration at least 24 hours.
Vehicle control, only  if toxicity of vehicle is unknown.
Doses tested, sufficient to determine a toxicity category
or a limit dose  (2000  mg/kg).
Application  site clipped or shaved at least 24 hours
before dosing
Application  site at  least  10%  of body surface area.
Application site covered with a porous nonirritating cover
to retain test material and to prevent ingestion.
Individual observations at least once a day.
Observation  period to  last at least 14  days.
Individual body weights.
Gross necropsy on  all  animals.
 Criteria marked with a * are supplemental and may not be required
 for  every study.
                                105

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   81-2 Acute Dermal Toxicity in the Rat, Rabbit or Guinea Pig
                 GUIDANCE FOR SUMMARIZING  STUDIES
 1. The form of pesticide tested, e.g., solid, liquid, percent AI
    in technical, end-use product, etc.
 2. The number of animals/sex/dose
 3. Weight range of animals
 4. Verification of single, dermal exposure
 5. Duration of dermal exposure
 6. Statement of vehicle control
 7. Doses tested and results
 8. Preparation of application site
 9. Area of application site (percent body surface)
10. Occlusion of test material on application site
11. Individual observations on day of dosing and for at
    least 14 days or until  all animals appear normal  (whichever is
    longer).
12. Summarization of body weights
13. Summarization of gross necropsy
14. Significance of changes from Acceptance Criteria
                               106

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            81-3 Acute Inhalation Toxicity in the Rat
                       ACCEPTANCE CRITERIA
Does your study meet the following acceptance criteria?
 1,
 2,
 3.
 4.
 5.

 6.
 7.
 8.

 9.
10,
11.
12."
13."
14."
Identify material tested (technical, end-use product, etc)
Product is  a  gas,  a  solid  which may produce a significant
vapor hazard based on toxicity and expected use or contains
particles of  inhalable  size for man (aerodynamic diameter
15 um or less).
At least 5  young  adult  rats/sex/group
Dosing, at  least  4 hours by inhalation.
Chamber air flow dynamic, at least 10 air changes/hour, at
least 19% oxygen  content.
Chamber temperature,  22° C  (+2), relative humidity  40-60%.
Monitor rate  of air  flow
Monitor actual concentrations of test material in breathing
zone.
Monitor aerodynamic  particle size  for  aerosols.
Doses tested,  sufficient to determine  a  toxicity category
or a limit  dose (5 mg/L actual concentration of  respirable
substance).
Individual  observations at least once  a  day.
Observation period to last at least 14 days.
Individual  body weights.
Gross necropsy on all animals.
                                107

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           81-3 Acute Inhalation Toxicity in the Rat
                 GUIDANCE FOR SUMMARIZING  STUDIES
 1. The form of pesticide tested, e.g., solid, liquid, percent AI
    in technical, end-use product, etc.
 2. Statement of the inhalability of test substance
 3. The number of animals/sex/dose
 4. Duration of inhalation exposure
 5. Number of chamber air changes/hour and the percent oxygen
    content of chamber air
 6. Ranges for chamber air temperature and relative humidity
 7. Air flow rate
 8. Analytical concentrations of test material in breathing zone
 9. Results of aerosol particle-size determination
10. Doses tested (or limit dose of 5mg/L or highest attainable)
11. Individual observations on day of dosing and for at least 14
    days.
12. Summarization of body weights
13. Summarization of gross necropsy
14. Significance of changes from Acceptance Criteria
                               108

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            81-4 Primary Eye Irritation in the Rabbit
                       ACCEPTANCE CRITERIA
Does your study meet the following acceptance criteria?
 1,
 2.

 3
 4,
 6,
 7,
 8,
 9.*
Identify material tested (technical, end-use product, etc)
Study not required if material is corrosive, causes severe
dermal irritation or has a pH of < 2 or >. 11.5.
6 adult rabbits
Dosing, instillation into the conjunctival sac of  one eye
per animal.
Dose, 0.1 ml if a liquid; 0.1 ml or not more than  100 mg if
a solid, paste or particulate substance.
Solid or granular test material ground to a fine dust.
Eyes not washed  for at least 24 hours.
Eyes examined and graded for irritation before dosing and
at 1, 24, 48 and 72 hr, then daily until eyes are  normal or
21 days  (whichever is shorter).
individual daily observations.
Criteria marked with a * are supplemental and may not be  required
for every study.
                                109

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           81-4  Primary Eye Irritation in the Rabbit
                 GUIDANCE FOR SUMMARIZING STUDIES
 1. The form of pesticide tested, e.g., solid, liquid, percent AI
    in technical, end-use product, etc.
 2. State if material is  corrosive, cause severe dermal irritation
    or has a pH of <2 or >ll.5
 3. Number of adult rabbits tested
 4.  State   method   of  dosing,  i.e.,   instillation  into  the
conj unctival
    sac of one eye per animal
 5. Dose administered
 6. Note whether solid or granular test material has been ground to
    a fine dust
 7.  State  whether   eyes  were  washed and   at  what  time  post
instillation      (not less than 24 hours)
 8. State whether eyes were  examined and graded  for irritation
before      dosing and at what periods after dosing
 9. Individual daily observations afterwards,  until eyes are normal
    or for 21 days
10. Significance of changes from Acceptance Criteria
                               110

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              81-5 Primary Dermal  Irritation Study
                       ACCEPTANCE CRITERIA
Does your study meet the following acceptance criteria?
 1.
 2."

 3.
 4.'
 5."
 6."

 7.
 8.'

 9.

10.
11.*
Identify material tested  (technical, end-use product, etc)
Study not required  if material  is  corrosive or has a
pH of <2 or >  11.5.
6 adult animals.
Dosing, single dermal.
Dosing duration  4 hours.
Application site shaved or clipped  at least 24  hours prior
to dosing
Application site approximately  6 cm.
Application site covered with a  gauze patch held in place
with nonirritating  tape
Material removed, washed with water, without  trauma to
application site
Application site examined and graded for irritation at 1,
24, 48 and 72  hr, then daily until normal  or  14 days
 (whichever is  shorter).
Individual daily observations.
Criteria marked with a  *  are  supplemental  and may not be required
for every study.
                                Ill

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               81-5 Primary Dermal Irritation  Study
                 GUIDANCE FOR SUMMARIZING STUDIES
 1. The form of pesticide tested,  e.g., solid, liquid, percent AI
    in technical, end-use product, etc.
 2. State if material is corrosive,  has a pH <2 or >11.5, or has a
    dermal LD 50 <200 mg/kg
 3. Number of adult animals tested
 4. Amount applied
 5. Duration of dermal exposure
 6. Preparation of application site (shaved or clipped at specified

    time before dosing)
 7. Area of application site
 8. Method for occlusion of application site
 9. Note removal of test material and if skin was washed with water
10.  State  times post  application  when  site  was  graded  for
irritation
11. Individual observations for  day of dosing and individual daily
     observations thereafter
12. Significance of changes from Acceptance Criteria.
                               112

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          81-6 Dermal Sensitization in the Guinea Pig
                       ACCEPTANCE CRITERIA
dose your study meet the following acceptance criteria?
1,
2,
5.*.
6.
Identify material tested (technical, end-use product, etc)
Study not required if material is corrosive or has a
pH of <2 or > 11.5.
One of the following methods is utilized;
	 Freund's complete adjuvant test
	 Guinea pig maximization test
	 Split adjuvant technique
	 Buehler test
	 Open epicutaneous test
	 Mauer optimization test
	 Footpad technique in guinea pig
Complete description of test
Reference for test.
 Test  followed  essentially
as  described  in  reference
     document.
    	 Positive control included (may provide historical data
       conducted within the last 6 months)
Criteria marked with a * are supplemental and may not be required
for every study.
                                113

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           81-6 Dermal Sensitization in the  Guinea Pig
                 GUIDANCE FOR SUMMARIZING STUDIES
1. The form of pesticide tested, e.g., solid, liquid,  percent AI
   in technical, end-use product, etc.
2. State if material is corrosive or has pH <2 or >11.5.
3. State specific method utilized
4. Complete description of specific method
5. Reference for the specific method employed
6. Note adherence of the protocol to that in the reference for
   the specific method utilized
7. State the positive control tested
8. Significance of changes from Acceptance Criteria
                               114

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 3.*._

 5.~

 6._
 7._

 8.*
               81-7 Acute Neurotoxicity in the Hen

                       ACCEPTANCE CRITERIA

Does your study meet the following acceptance criteria?

 1.     Study performed on an organophosphate cholinesterase
        inhibiting compound.
 2.     Technical form of the active ingredient tested.
     [^ Positive control utilized.
        Species utilized, domestic laying hen 8-14 months of age.
        Dosing oral by gavage or capsule (dermal or inhalation
        may be used).
     	 An acute oral LD is determined.
     	 Dose tested equal to an acute oral LD or a limit test of
        5000 mg/kg.
     	 Dosed animals may be protected with atropine and/or 2-
     PAM.
     	 Sufficient test animals so that at least 6 survive.
        Negative  (vehicle) control group of at least 6 hens
        Positive control of at least 4 hens,  (if used)
     	 Test dose repeated if no signs of delayed neurotoxicity
        observed by 21 days after dosing.
     	 Observation period 21 days after each dose.
        Individual daily observations.
     	 Individual body weights.
     	 Individual necropsy not required.
     	 Histopathology performed on all animals.  Tissue to be
        fixed in sin preferably using whole animal perfusion
        techniques.  At least three sections  of each of the
        following tissues:
        	brain, including medulla oblongata
             spinal cord; upper cervical, mid-thoracic and
             lumbro-sacral regions
        	tibial nerve; proximal regions and branches
             sciatic nerve
10.
11.
12.

13.
14,
15,
16,
17,
Criteria marked with a  *  are supplemental and may not be required
for every  study.
                                115

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          ATTACHMENT F
Cost Share and Data Compensation Forms
                 116

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   &EPA
United StatM Environmental Protection  Agency
            Washington, DC 20460
   CERTIFICATION OF OFFER TO  COST
SHARE  IN THE  DEVELOPMENT  OF  DATA
OHt MS. t070-0107
        1070-0037
Approval ExaUM  J-J1-I
 Public reporting burden for this collection of information is estimated to average 15 minutes per response, ineJuefing
 time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and
 completing and reviewing the collection of information.  Send comments regarding the burden estimate or any other
 aspect of this collection of information, including suggestions for reducing this burden, to Chief, Information Policy
 Branch, PM-223. U.S. Environmental Protection Agency, 401 M St., S.W., Washington, DC 20460; and to the Office
 of Management and Budget, Paperwork Reduction Project (2070-0106), Washington, DC 20503.   .

 Please fill In blanks below.
Company Nam*
C&mleal Nam*
Company Number,
ETA Chanioal Number
I Certify that:

My company is wilBng to develp and submit the data required by EPA under the authority of the Federal
Insecticide, Fungicide and Rodentfcide Act (FIFRA), if necessary.  However, my company would prefer to
enter into an agreement with one or more registrants to develop jointly or share in the cost of developing
data                                                                         -

My firm has offered in writing to enter into such an agreement. That offer was frrtvoetble and included a
offer to be bound by arbitration decision under section 3(c)(2)(B)(iii) of FIFRA If final agreement on al
terms could not be reached otherwise. This offer was made to the following ftrm(s) on the following
date(s):
 NMW •*
                                                                          Gate «f Ottar
I certify that I am duly authorized to represent the company name above, afld that the statemtrii mat I havemadeoi
trfc form and alattact*nertsthef»in«                        lackriowledgethatanytaiowinglyfalseor
         statefmrt may eepurishaWe by fir» or ir^^	
 Signature •! Company** Artberisa*  Naffrwantatlv*
                                                                          Data
 Nam* aa* TlUa (PIMM Type «r Print)
•PA
          •PA

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     &EPA
United States Environmental
            Washington,  DC
   CERTIFICATION  WITH
 DATA  COMPENSATION
Protection
20460
                                                                   Agency
RESPECT TO
REQUIREMENTS
OMB Na. 2070-0107
        2070-0057
Approval Expira* 3-31-
   Puc-fic reporting burden for this collection of information is estimated to average 15 minutes per response, including
   time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and
   completing and reviewing the collection of information. Send comments regarding the burden estimate or any other
   aspect of this collection of information, including suggestions for reducing this burden, to Chief, Information Policy
   Branch. PM-223, U.S. Environmental Protection Agency. 401 M a., S.W., Washington, DC 20460: and to the Office
   of Management and Budget. Paperwork Reduction Project (20704106). Washington.- DC 20503.

   Please fill In blanks below.
Company Mama
Ctomieal Nan*
.Company Numb*r
EPA ChMMleal Number
Certify that
1 Far Mfih tluttv cited in CUMAII af r»ai«tr*tian ar r»r*ai«trst!nn tnvter th« C*H*rai |M***U«
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       APPENDIX G
Product Specific Data Call-in
            117

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$ *%. \
<7 V ^ ^^J . *-.
             UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
                        WASHINGTON, D.C. 20460



                       DATA CALL-IN NOTICE
CERTIFIED MAIL
                                                          OFFICE OF
                                                      PREVENTION, PESTICIDES AND
                                                        TOXIC SUBSTANCES
Dear Sir or Madam:

This Notice requires you  and other registrants of pesticide
products containing the active ingredient identified  in
Attachment A of this Notice,  the Data Call-In Chemical Status
Sheet. to submit certain  product specific data as noted  herein to
the U.S. Environmental Protection Agency (EPA, the Agency).
These data are necessary  to maintain the continued registration
of your product(s) containing this active ingredient.  Within 90
days after you receive this Notice you must respond as set forth
in Section III below.  Your response must state:

     1. How you will comply with the requirements set forth  in
        this Notice and its Attachments A through G;  or

     2. Why you believe you are exempt from the requirements
        listed in this Notice and in Attachment C,
          Requirements Status and Registrant's Response  Form.
           (see section III-B); or

     3.   Why you believe EPA should not require your submission
          of product specific data in the manner specified by
          this Notice  (see section III-D).

     If you do not respond to this Notice, or if you  do  not
satisfy EPA that you will comply with its requirements or should
be exempt or excused from doing so, then the registration of^your
product(s) subject to this Notice will be subject to  suspension.
We have provided a list of all of your products subject  to this
Notice in Attachment B, Data Call-In Response Form, as well  as a
list of all registrants who were sent this Notice  (Attachment F) .

     The authority for this Notice is section 3 (c)(2)(B) of  the
Federal Insecticide, Fungicide and Rodenticide Act  as amended
 (FIFRA), 7 U.S.C. section 136a(c)(2)(B).  Collection  of  this
information is authorized under the Paperwork Reduction  Act by
OMB Approval No.  2070-0107 (expiration date 3-31-96).
                                                      Recycled/Recyclable
                                                      Printed with Soy/Canola Ink on paper that
                                                      contains at least 50% recycled fiber

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     This Notice is  divided into the following six sections and
seven Attachments.   The Notice itself contains information and'
instructions  applicable to all Data  Call-in Notices.  The
Attachments contain  specific chemical information and
instructions.  The six sections of the Notice are:
     Section I
     Section II
     Section
III -
            — Why You Are Receiving This Notice
            - Data Required By This Notice
              Compliance With Requirements Of This
                        Notice
Section IV  - Consequences Of Failure To Comply With
                This Notice
Section V   - Registrants' Obligation To Report
                Possible Unreasonable Adverse Effects
Section VI  - Inquiries And Responses To This Notice
     The Attachments  to  this N.otice are:

     A  - Data Call-in Chemical  Status Sheet
     B  - Data Call-In Response  Form
     C  - Requirements Status  and Registrant's Response Form
     D  - EPA Grouping of End-Use Products for Meeting Acute
            Toxicolocry Data Requirements for Reregistration
     E -  List of Registrantsfs) sent this PCI
     F  — EPA Acceptance Criteria
     G  - Cost Share  and Data  Compensation Forms
SECTION I.  WHY YOU ARE RECEIVING THIS NOTICE

     The Agency has reviewed existing data for this active
ingredient and reevaluated the data needed to support continued
registration of the subject active ingredient.  The Agency has
concluded that the only additional data necessary are product
specific data.  No additional generic data requirements are being
imposed.  You have been sent this Notice because you have
product(s) containing the subject active ingredient.

SECTION II.  DATA REQUIRED BY THIS NOTICE

II-A.  DATA REQUIRED

     The product specific data required by this Notice are
specified in Attachment C, Requirements Status and Registrant's
Response Form.  Depending on the results of the studies required in
this Notice, additional testing may be required.

II-B.  SCHEDULE FOR SUBMISSION OF DATA

     You are required to submit the data or otherwise satisfy the
data requirements specified in Attachment C, Requirements Status
and Registrant's Response Form, within the timeframes provided.

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II-C.  TESTING PROTOCOL

     All studies required under this Notice must be conducted in
accordance with test standards outlined in the Pesticide Assessment
Guidelines for those studies for which guidelines have been
established.

     These EPA Guidelines are available from the National Technical
Information Service (NTIS), Attn: Order Desk, 5285 Port Royal Road,
Springfield, Va 22161  (tel: 703-487-4650).

     Protocols approved by the Organization for Economic
Cooperation and Development (OECD) are also acceptable if the OECD-
recommended test standards conform to those specified in the
Pesticide Data Requirements regulation (40 CFR § 158.70).  When
using the OECD protocols, they should be modified as appropriate so
that the data generated by the study will satisfy the requirements
of 40 CFR § 158.  Normally, the Agency will not extend deadlines
for complying with data requirements when the studies were not
conducted in accordance with acceptable standards.  The OECD
protocols are available from OECD, 1750 Pennsylvania Avenue N.W.,
Washington, D.C. 20006.

     All new studies and proposed protocols submitted in response
to this Data Call-in Notice must be in accordance with Good
Laboratory Practices  [40 CFR Part 160.3(a)(6)].

II-D.  REGISTRANTS RECEIVING PREVIOUS SECTION 3fcW2WBl NOTICES
       ISSUED BY THE AGENCY

       Unless otherwise noted herein, this Data Call-In does not in
anv way supersede or change the requirements of any previous Data
Call-Infs). or any other agreements entered  into with the Agency
pertaining to such prior Notice.  Registrants must comply with the
requirements of all Notices to avoid issuance of a Notice of Intent
to Suspend their affected products.
 SECTION III.   COMPLIANCE WITH REQUIREMENTS OF THIS NOTICE

 III-A.   SCHEDULE FOR RESPONDING TO THE AGENCY

      The appropriate responses initially required by this Notice
 for product specific data must be submitted  to  the Agency within  90
 days after your receipt of this Notice.  Failure to adequately
 respond to this Notice within 90 days of your receipt will be  a
 basis for issuing a Notice of Intent to Suspend (NOIS)  affecting
 your products. This and other bases for issuance of NOIS^due to
 failure to comply with this Notice are presented in Section  IV-A
 and IV-B.

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 III-B.   OPTIONS FOR RESPONDING TO THE AGENCY

    The  options for responding to this Notice for product specific
 data are:  (a) voluntary cancellation, (b) agree to satisfy the
 product  specific data requirements imposed by this Notice or  (c)
 request  a  data waiver(s).

    A discussion of how to respond if you choose the Voluntary
 Cancellation option is presented below.   A discussion of the
 various  options available for satisfying the product specific data
 requirements of this Notice is contained in Section III-C.  A
 discussion of options relating to requests for data waivers is
 contained  in Section III-D.

    There  are two forms that accompany this Notice of which,
 depending  upon your response, one or both must be used in your
 response to the Agency.  These forms are the Data-Call-in Response
 Form, and  the Requirements Status and Registrant's Response Formf
 Attachment B and Attachment C.  The Data Call-in Response Form must
 be submitted as part of every response to this Notice.  In
 addition,  one copy of the Requirements Status and Registrant's
 Response Form  must be submitted for each product listed on the
 Data Call-in Response Form unless the voluntary cancellation option
 is selected or unless the product is identical to another (refer to
 the instructions for completing the Data Call-in Response Form in
 Attachment B).  Please note that the company's authorized
 representative is required to sign the first page of the Data Call-
 in Response Form and Requirements Status and Registrant's Response
 Form (if this form is required)  and initial any subsequent pages.
 The forms  contain separate detailed instructions on the response
 options.   Do not alter the printed material.  If you have questions
 or need  assistance in preparing your response, call or write the
 contact  person(s)  identified in Attachment A.

    1. Voluntary Cancellation - You may  avoid the requirements of
this Notice by requesting voluntary cancellation of your product(s)
containing the active ingredient that is the subject of this
Notice.  If you wish to voluntarily cancel your product,  you must
submit a completed Data Call-in Response Formf indicating your
election of this option.  Voluntary cancellation is item number 5
on the Data Call-In Response Form.  If you choose this option,  this
 is the only form that you are required to complete.

    If you choose to voluntarily cancel  your product, further sale
and distribution of your product after the effective date of
cancellation must be in accordance with  the Existing Stocks
provisions of this Notice which are contained in Section IV-C.

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    2. Satisfying the Product Specific Data Requirements of this
Notice.  There are various options available to satisfy the product
specific data requirements of this Notice.  These options are
discussed in Section III-C of this Notice and comprise options 1
through 6 on the Requirements Status and Registrant's Response Form
and item numbers 7a and 7b on the Data Call-in Response Form.
Deletion of a use(s) and the low volume/minor use option are not
valid options for fulfilling product specific data requirements.

    3. Request for Product Specific Data Waivers.  Waivers for
product specific data are discussed in Section III-D of this Notice
and are covered by option 7 on the Requirements Status and
Registrant's Response Form.  If you choose this option, you must
submit both forms as well as any other information/data pertaining
to the option chosen to address the data requirement.

IH-C  SATISFYING THE DATA REQUIREMENTS OF THIS NOTICE

     If you acknowledge on the Data Call-In Response Form that you
agree to satisfy the product specific data requirements (i.e. you
select option 7a or 7b) , then you must select one of the six
options on the Requirements Status and Registrant's Response Form
related to data production for each data requirement.  Your option
selection should be entered under item number 9, "Registrant
Response."  The six options related to data production are the
first six options discussed under item 9 in the instructions for
completing the Requirements Status and Registrant's Response^Form.
These six options are listed immediately below with information in
parentheses to guide registrants to additional instructions
provided in this Section.  The options are:

      (1)  I will generate and submit data within the specified
          timeframe  (Developing Data)
      (2)  I have entered into an agreement with one or more
          registrants to develop data jointly  (Cost Sharing)
      (3)  I have made offers to cost-share  (Offers to Cost Share)
      (4)  I am submitting an existing study that has not been
          submitted previously to the Agency by anyone  (Submitting
          an  Existing Study)
      (5)  I am submitting or citing data to upgrade a study
          classified by EPA as partially acceptable and upgradeable
           (Upgrading a  Study)
      (6)  I am citing an existing  study that EPA has classified as
          acceptable or an  existing  study that has been submitted
          but not  reviewed  by  the Agency  (Citing an Existing Study)

      Option  1, Developing Data —   If you  choose to develop  the
required data it must be in conformance with Agency deadlines and
with other Agency  requirements as  referenced herein and in the
attachments.  All  data  generated and submitted must comply with the
Good Laboratory  Practice (GLP)  rule (40  CFR Part  160),  be conducted
according to  the Pesticide  Assessment Guidelines  (PAG), and  be  in
conformance  with the requirements  of PR Notice 86-5.

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    The time frames in the Requirements Status and Registrant's
Response Form are the time frames that the Agency is allowing for
the submission of completed study reports.  The noted deadlines run
from the date of the receipt of this Notice by the registrant.  If
the data are not submitted by the deadline, each registrant is
subject to receipt of a Notice of Intent to Suspend the affected
registration(s).

    If you cannot submit the data/reports to the Agency in the time
required by this Notice and intend to seek additional time to meet
the requirements (s) , you must submit a request to the Agency which
includes: (1) a detailed description of the expected difficulty and
(2) a proposed schedule including alternative dates for meeting
such requirements on a step-by-step basis.  You must explain any
technical or laboratory difficulties and provide documentation from
the laboratory performing the testing.  While EPA is considering
your request, the original deadline remains.  The Agency will
respond to your request in writing.  If EPA does not grant your
request, the original deadline remains.  Normally, extensions can
be requested only in cases of extraordinary testing problems beyond
the expectation or control of the registrant.  Extensions will not
be given in submitting the 90-day responses.  Extensions will not
be considered if the request for extension is not made in a timely
fashion; in no event shall an extension request be considered if it
is submitted at or after the lapse of the subject deadline.

     Option 2, Agree to Share in Cost to Develop Data —Registrants
may only choose this option for acute toxicity data and certain
efficacy data and only if EPA has indicated in the attached data
tables that your product and at least one other product are similar
for purposes of depending on the same data.  If this is the case,
data may be generated for just one of the products in the group.
The registration number of the product for which data will be
submitted must be noted in the agreement to cost share by the
registrant selecting this option.  If you choose to enter into an
agreement to share in the cost of producing the required data but
will not be submitting the data yourself, you must provide the name
of the registrant who will be submitting the data.  You must also
provide EPA with documentary evidence that an agreement has been
formed.  Such evidence may be your letter offering to join in an
agreement and the other registrant's acceptance of your offer, or a
written statement by the parties that an agreement exists.  The
agreement to produce the data need not specify all of the terms of
the final arrangement between the parties or the mechanism to
resolve the terms.  Section 3(c)(2)(B) provides that if the parties
cannot resolve the terms of the agreement they may resolve their
differences through binding arbitration.
    Option 3. Offer to Share in the Cost of Data Development  —
This option only applies to acute toxicity and certain efficacy
data as described in option 2 above.  If you have made an offer to
pay in an attempt to enter into an agreement or amend an existing
agreement to meet the requirements of this Notice and have been

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unsuccessful, you may request EPA (by selecting this option) to
exercise its discretion not to suspend your registration(s),
although you do not comply with the data submission requirements of
this Notice.  EPA has determined that as a general policy, absent
other relevant considerations, it will not suspend the registration
of a product of a registrant who has in good faith sought and
continues to seek to enter into a joint data development/cost
sharing program, but the other registrant(s)  developing the data
has refused to accept your offer.  To qualify for this option, you
must submit documentation to the Agency proving that you have^made
an offer to another registrant (who has an obligation to submit
data) to share in the burden of developing that data.  You must
also submit to the Agency a completed EPA Form 8570-32,
Certification of Offer to Cost Share in the Development of Data,
Attachment G.  In addition, you must demonstrate that the other
registrant to whom the offer was made has not accepted your offer
to enter into a costsharing agreement by including a copy of your
offer and proof of the other registrant's receipt of that offer
(such as a certified mail receipt).  Your offer must, in addition
to anything else, offer to share in the burden of producing the
data upon terms to be agreed or failing agreement to be bound by
binding arbitration as provided by FIFRA section 3(c)(2)(B)(iii)
and must not qualify this offer.   The other registrant must also
inform EPA of its election of an option to develop and submit the
data required by this Notice by submitting a Data Call-in Response
Form and a Requirements Status and Registrant's Response Form
committing to develop and submit the data required by this Notice.

    In order for you to avoid suspension under this option, you may
not withdraw your offer to share in the burdens of developing the
data.  In addition, the other registrant must fulfill its
commitment to develop and submit the data as required by this
Notice.  If the other registrant fails to develop the data  or for
some other reason is subject to suspension, your registration as
well as that of the other registrant will normally be subject to
initiation of suspension proceedings, unless you-commit to  submit,
and do submit the required data in the specified time frame.  In
such cases, the Agency generally will not grant a time extension
for  submitting the data.

    Option 4. Submitting an Existing Study — If you choose to
submit an existing study in response to this Notice, you must
determine that the study satisfies the requirements imposed by  this
Notice.  You may only submit  a study that has not been previously
submitted to the Agency or previously cited by anyone._  Existing
studies are  studies which predate  issuance of this Notice.  Do  not
use  this option  if you are submitting data to upgrade  a  study.  (See
Option 5) .

     You should  be aware that  if  the Agency determines  that the
study  is not acceptable, the  Agency will require you to  comply  with
this Notice, normally without an extension of the required date of
submission.  The Agency may determine at any time that a study  is
not  valid and needs  to be  repeated.

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    To meet the requirements of the DCI Notice for submitting an
existing study, all of the following three criteria must be clearly
met:

    a. You must certify at the time that the existing study is
    submitted that the raw data and specimens from the study are
    available for audit and review and you must identify where they
    are available.  This must be done in accordance with
    the requirements of the Good Laboratory Practice (GLP)
    regulation, 40 CFR Part 160. As stated in 40 CFR 160.3(j)
    " '[r]aw data' means any laboratory worksheets, records,
    memoranda, notes, or exact copies thereof, that are the result
    of original observations and activities of a study and are
    necessary for the reconstruction and evaluation of the report
    of that study.  In the event that exact transcripts of raw data
    have been prepared (e.g., tapes which have been transcribed
    verbatim, dated, and verified accurate by signature), the exact
    copy or exact transcript may be substituted for the original
    source as raw data.  'Raw data' may include photographs,
    microfilm or microfiche copies, computer printouts, magnetic
    media, including dictated observations, and recorded data from
    automated instruments."  The term "specimens", according to 40
    CFR 160.3(k), means "any material derived from a test system
    for examination or analysis."

    b. Health and safety studies completed after May 1984 must also
    contain all GLP-required quality assurance and quality control
    information,  pursuant to the requirements of 40 CFR Part 160.
    Registrants must also certify at the time of submitting the
    existing study that such GLP information is available for post-
    May 1984  studies by including an appropriate statement on or
    attached to the study signed by an authorized official or
    representative of the registrant.

    c. You must certify that each study fulfills the acceptance
    criteria for the Guideline relevant to the study provided in
    the FIFRA Accelerated Reregistration Phase 3 Technical Guidance
    and that the study has been conducted according to the
    Pesticide Assessment Guidelines (PAG)  or meets the purpose of
    the PAG (both available from NTIS).  A study not conducted
    according to the PAG may be submitted to the Agency for
    consideration if the registrant believes that the study clearly
    meets the purpose of the PAG.  The registrant is referred to 40
    CFR 158.70 which states the Agency's policy regarding
    acceptable protocols. If you wish to submit the study, you
    must, in addition to certifying that the purposes of the PAG
    are met by the study, clearly articulate the rationale why you
    believe the study meets the purpose of the PAG, including
    copies of any supporting information or data.  It has been the
    Agency's  experience that studies completed prior to January
    1970 rarely satisfied the purpose of the PAG and that necessary
    raw data  are usually not available for such studies.
                                 8

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    If you submit an existing study,  you must certify that the
study meets all requirements of the criteria outlined above.

    If you know of a study pertaining to any requirement in this
Notice which does not meet the criteria outlined above but does
contain factual information regarding unreasonable adverse effects,
you must notify the Agency of such a study.   If such  study is in
the Agency's files, you need only cite it along with the
notification. If not in the Agency's files,  you must submit a
summary and copies as required by PR Notice 86-5.
    Option 5. Upgrading a Study — If a study has been classified
as partially acceptable and upgradeable, you may submit data to
upgrade that study.  The Agency will review the data submitted and
determine if the requirement is satisfied.  If the Agency decides
the requirement is not satisfied, you may still be required to
submit new data normally without any time extension.  Deficient,
but upgradeable studies will normally be classified as
supplemental.  However, it is important to note that not all
studies classified as supplemental are upgradeable.  If you have
questions regarding the classification of a study or whether a
study may be upgraded, call or write the contact person listed in
Attachment A.  If you submit data to upgrade an existing study you
must satisfy or supply information to correct all deficiencies in
the study identified by EPA.  You must provide a clearly
articulated rationale of how the deficiencies have been remedied or
corrected and why the study should be rated as acceptable to EPA.
Your submission must also specify the MRID number (s) of the study
which you are attempting to upgrade and must be in conformance with
PR Notice 86-5.

    Do not submit additional data for the purpose of upgrading a
study classified as unacceptable and determined by the Agency as
not capable of being upgraded.

    This option should also be used to cite data that has been
previously submitted to upgrade a study, but has not yet been
reviewed by the Agency.  You must provide the MRID number of the
data submission as well as the MRID number of the study being
upgraded.

    The criteria for submitting an existing study, as specified in
Option 4 above, apply to all data submissions intended to upgrade
studies.  Additionally your submission of data intended to upgrade
studies must be accompanied by a certification that you comply with
each of those criteria as well as a certification regarding
protocol compliance with Agency requirements.

    Option 6. Citing Existing Studies — If you choose to cite a
study that has been previously submitted to EPA, that study must
have been previously classified by EPA as acceptable or it must be
a study which has not yet been reviewed by the Agency.  Acceptable
toxicology studies generally will have been classified as "core-

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guideline" or "core minimum."  For all other disciplines the
classification would be "acceptable."  With respect to any studies
for which you wish to select this option you must provide the MRID
number of the study you are citing and, if the study has been
reviewed by the Agency, you must provide the Agency's
classification of the study.

    If you are citing a study of which you are not the original
data submitter, you must submit a completed copy of EPA Form
8570-31, Certification with Respect to Data Compensation
Requirements.

    Registrants who select one of the above 6 options must meet all
of the requirements described in the instructions for completing
the Data Call-in Response Form and the Requirements Status and
Registrant's Response Form, as appropriate.

III-D  REQUESTS FOR DATA WAIVERS

    If you request a waiver for product specific data because you
believe it is inappropriate, you must attach a complete
justification for the request, including technical reasons, data
and references to relevant EPA regulations, guidelines or policies.
(Note: any supplemental data must be submitted in the format
required by PR Notice 86-5) .  This will be the only opportunity to
state the reasons or provide information in support of your
request.  If the Agency approves your waiver request, you will not
be required to supply the data pursuant to section 3(c)(2)(B) of
FIFRA.  If the Agency denies your waiver request, you must choose
an option for meeting the data requirements of this Notice within
30 days of the receipt of the Agency's decision.  You must indicate
and submit the option chosen on the Requirements Status and
Registrant's Response Form.  Product specific data requirements for
product chemistry, acute toxicity and efficacy (where appropriate)
are required for all products and the Agency will grant a waiver
only under extraordinary circumstances.  You should also be aware
that submitting a waiver request will not automatically extend the
due date for the study in question.  Waiver requests submitted
without adequate supporting rationale will be denied and the
original due date will remain in force.

IV.  CONSEQUENCES OF FAILURE TO COMPLY WITH THIS NOTICE

IV-A NOTICE OF INTENT TO SUSPEND

    The Agency may issue a Notice of Intent to Suspend products
subject to this Notice due to failure by a registrant to comply
with the requirements of this Data Call-in Notice, pursuant to
FIFRA section 3(c)(2)(B).  Events which may be the basis for
issuance of a Notice of Intent to Suspend include, but are not
limited to, the following:

    1.  Failure to respond as required by this Notice within 90
    days of your receipt of this Notice.
                                10

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    2.   Failure to submit on the required schedule an acceptable
    proposed or final protocol if such  is required to be submitted
    to  the Agency for review.

    3.   Failure to submit on the required schedule an adequate
    progress report on a study if required by this Notice.

    4.   Failure to submit on the required schedule acceptable
    data as required by this Notice.

    5.   Failure to take a required action or submit adequate
    information pertaining to any option chosen to address the  data
    requirements (e.g., any required  action or information
    pertaining to submission or citation of existing studies or
    offers, arrangements, or arbitration on the sharing of costs  or
    the formation of Task Forces, failure to comply with the terms
    of  an agreement or arbitration concerning joint data
    development or failure to comply  with any terms of a data
    waiver).

    6.   Failure to submit supportable certifications as to the
    conditions of submitted studies,  as required  by Section III-C
    of  this Notice.

    7.  Withdrawal of an offer to share  in the cost of developing
    required data.

    8.  Failure of the registrant to whom you have tendered an offer
    to  share in the cost of developing  data and provided proof  of
    the registrant's receipt of such  offer either to:

     a. Inform EPA of intent to develop and submit the data
     required by this Notice on a Data  Call-in Response Form and  a
     Requirements Status and Registrant's Response Form;

     b. Fulfill the commitment to develop and submit the data as
     required by this Notice; or

     c. Otherwise take appropriate steps to meet  the requirements
     stated in this Notice, unless you  commit to  submit and do
     submit the required data in the  specified time frame.

    9.   Failure to take any required  or appropriate steps, not
    mentioned above, at any time following the  issuance of this
    Notice.

IV-B.  BASIS FOR DETERMINATION THAT SUBMITTED  STUDY IS
       UNACCEPTABLE

    The Agency may determine that a study  (even if submitted within
the required time) is unacceptable and constitutes a basis  for
issuance of a Notice of Intent to Suspend.   The grounds  for
suspension include, but are not  limited to,  failure to meet  any of
the following:
                                 11

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     1.   EPA requirements specified in the Data Call-in Notice or
     other documents incorporated by reference  (including, as
     applicable, EPA Pesticide Assessment Guidelines, Data Reporting
     Guidelines, and GeneTox Health Effects Test Guidelines)
     regarding the design, conduct, and reporting of required
     studies.  Such requirements include, but are not limited to,
     those relating to test material, test procedures, selection of
     species, number of animals, sex and distribution of animals,
     dose and effect levels to be tested or attained, duration of
     test, and, as applicable, Good Laboratory Practices.

     2.   EPA requirements regarding the submission of protocols  (if
     applicable), including the incorporation of any changes
     required by the Agency following review.

     3.   EPA requirements regarding the reporting of data, including
     the  manner of reporting, the completeness of results, and the
     adequacy of any required supporting (or raw) data, including,
     but  not limited to, requirements referenced or included in this
     Notice or contained in PR 86-5.  All studies must be submitted
     in the form of a final report; a preliminary report will not be
     considered to fulfill the submission requirement.

IV-C EXISTING STOCKS OF SUSPENDED OR CANCELLED PRODUCTS

     EPA  has statutory authority to permit continued sale,
distribution and use of existing stocks of a pesticide product
which has been suspended or cancelled if doing so would be
consistent with the purposes of the Act.

     The  Agency has determined that such disposition by registrants
of existing stocks for a suspended registration when a section
3(c)(2)(B) data request is outstanding would generally not be
consistent with the Act's purposes.  Accordingly, the Agency
anticipates granting registrants permission to sell, distribute, or
use  existing stocks of suspended product(s)  only-in exceptional
circumstances.  If you believe such disposition of existing stocks
of your  product (s)  which may be suspended for failure to comply
with this Notice should be permitted, you have the burden of
clearly  demonstrating to EPA that granting such permission would be
consistent with the Act. You must also explain why an "existing
stocks"  provision is necessary, including a statement of the
quantity of existing stocks and your estimate of the time required
for  their sale, distribution, and use.  Unless you meet this burden
the  Agency will not consider any request pertaining to the
continued sale, distribution, or use of your existing stocks after
suspension.

     If you request a voluntary cancellation of your product (s)  as a
response to this Notice and your product is in full compliance with
all Agency requirements, you will have, under most circumstances,
one  year from the date your 90 day response to this Notice is due,
to sell,  distribute,  or use existing stocks.  Normally, the Agency
will allow persons other than the registrant such as independent
                                12

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distributors,  retailers and end users to sell, distribute or use
such existing stocks until the stocks are exhausted.  Any sale,
distribution or use of stocks of voluntarily cancelled products
containing an active ingredient for which the Agency has particular
risk concerns will be determined on a case-by-case basis.

    Requests for voluntary cancellation received after the 90 day
response period required by this Notice will not result in the
Agency granting any additional time to sell, distribute, or use
existing stocks beyond a year from the date the 90 day response was
due unless you demonstrate to the Agency that you are in full
compliance with all Agency requirements, including the requirements
of this Notice.  For example, if you decide to voluntarily cancel
your registration six months before a 3 year study is scheduled to
be submitted,  all progress reports and other information necessary
to establish that you have been conducting the study in an
acceptable and good faith manner must have been submitted to the
Agency, before EPA will consider granting an existing stocks
provision.
SECTION V.
REGISTRANTS' OBLIGATION TO REPORT POSSIBLE
UNREASONABLE ADVERSE EFFECTS
    Registrants are reminded that FIFRA section 6(a)(2) states that
if at any time after a pesticide is registered a registrant has
additional factual information regarding unreasonable adverse
effects on the environment by the pesticide, the registrant shall
submit the information to the Agency.  Registrants must notify the
Agency of any factual information they have, from whatever source,
including but not limited to interim or preliminary results of
studies, regarding unreasonable adverse effects on man or the
environment.  This requirement continues as long as the products
are registered by the Agency.


SECTION VI.  INQUIRIES AND RESPONSES TO THIS NOTICE

    If you have any questions regarding the requirements and
procedures established by this Notice, call the contact person(s)
listed in Attachment A, the Data Call-In Chemical Status Sheet.

    All responses to this Notice (other than voluntary cancellation
requests) must include a completed Data Call-In Response Form and a
completed Requirements Status and Registrant's Response Form
 (Attachment B and Attachment C) and any other documents required by
this Notice, and should"be submitted to the contact  person(s)
identified in Attachment A. If the voluntary cancellation option is
chosen, only the Data Call-In Response Form need  be  submitted.
                                 13

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    The Office of Compliance Monitoring  (OCM) of the Office of
Pesticides and Toxic Substances  (OPTS) , EPA, will be monitoring the
data being generated in response to this Notice.

                             Sincerely yours,
                             Paniel M. Barolo, Director
                             Special Review and
                               Reregistration Pivision

                        Attachments

    A  - Data Call-In Chemical Status Sheet
    B  - Data Call-in Response Form
    C  - Requirements Status and Registrant's Response Form
    D  - EPA Grouping of End-Use Products for Meeting Acute
         Toxicology Data Requirements for Reregistration
    E -  List of Registrants Sent This PCI
    F  - EPA Acceptance Criteria (refer to Attachment E. EPA
          Acceptance Criteria for Generic PCI)
    G  - Cost Share and Pata Compensation Forms
                                 14

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          ATTACHMENT A
Product Specific DCI Chemical Status Sheet
                 118

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 BUTYLATE: DATA CALL-IN CHEMICAL STATUS SHEET

 INTRODUCTION

       You have been sent this Product Specific Data Call-In Notice because you have
 products containing butylate.

       This Product Specific Data Call-in Chemical Status Sheet, contains an overview of
 data required by this notice, and point of contact for inquiries pertaining to the reregistration
 of butylate.  This attachment is to be used in conjunction with (1) the Product Specific Data
 Call-in Notice,  (2) the Product Specific Data Call-in Response Form (Attachment B), (3) the
 Requirements Status and Registrant's Form  (Attachment C),  (4) EPA's Grouping of End-Use
 Products for Meeting Acute Toxicology Data Requirement (Attachment D), (5) the EPA
 Acceptance Criteria (Attachment E), (6) a list of registrants receiving this DCI (Attachment
 F) and (7) the Cost Share and Data Compensation Forms in replying to this butylate Product
 Specific Data Call-in (Attachment G).  Instructions and guidance accompany each form.

 DATA REQUIRED BY THIS NOTICE

       The additional data requirements needed to complete the database for butylate are
 contained in the Requirements Status and Registrant's Response. Attachment C.  The Agency
 has concluded that additional data on butylate are needed for specific products. These data
 are required to be submitted to the Agency within  the time frame listed. These data are
 needed to fully complete the reregistration of all eligible butylate products.

 INQUIRIES AND RESPONSES TO THIS NOTICE

       If you have any questions regarding the generic database of butylate, please  contact
 Ms. Judy Loranger at (703)  308-8056.

       If you have any questions regarding the product specific data requirements and
procedures established by this Notice, please contact Mr.  Franklin Gee at (703) 308-8008.

       All responses to this Notice for the Product Specific data requirements should be
       submitted to:

            Ms. Veronica Dutch
            Special Review and Reregistration Division
            Office of Pesticide Programs, H7508W
            U.S. Environmental Protection Agency
            Washington, D.C.  20460

            RE: Butylate
                                        119

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                ATTACHMENT B
Product Specific Data Call-In Response Forms (Form A)
                 plus Instructions

-------

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INSTRUCTIONS FOR COMPLETING THE "REQUIREMENTS STATUS AND
REGISTRANT'S RESPONSE" FORM FOR PRODUCT SPECIFIC DATA

Item 1-4.     Already completed by EPA.

Item 5.       If you wish to voluntarily cancel your product, answer "yes".  If you choose
             this option, you will not have to provide the data required by the Data Call-in
             Notice and you will not have to complete any other forms.  Further sale and
             distribution of your product after the effective date of cancellation must be in
             accordance with the Existing Stocks provision of the Data Call-In Notice
             (Section IV-C).

Item 6.       Not applicable since this form calls in product specific data only. However, if
             your product is identical to another product and you qualify for a data
             exemption, you must respond with "yes" to Item 7a (MUP) or 7B (EUP) on
             this form, provide the EPA reregistration numbers of your source (s); you
             would not complete the requirements status and registrant's response" form.
             Examples of such products include repackaged products and Special Local
             Needs (Section 24c) products which are identical to federally registered
             products.

Item 7a.     For each manufacturing use product (MUP) for which you wish to maintain
             registration, you must agree to satisfy the data requirements by responding
             "yes."

Item 7b.     For each end use product (EUP) for which you wish to maintain registration,
             you must agree to satisfy the data requirements by responding "yes." if you
             are requesting a data waiver, answer "yes"  here; in addition, on the
             "Requirements Status and Registrant's Response" form under Item 9, you must
             respond with option 7 (Waiver Request) for each study for which you are
             requesting a waiver.  See item 6 with regard to identical products and data
             exemptions.

Items 8-11.Self-explanatory.

Note:  You may provide additional information that does not fit on this form in a signed
       letter that accompanies this form.  For example, you may wish to report that your
       product has already been transferred to another or that you have already voluntarily
       cancelled this product.  For these cases, please supply all relevant details so that EPA
       can ensure that its records are correct.
                                         121

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                ATTACHMENT C

Product Specific Data Call-In Requirements Status and
Registrant's Response Forms (Form B) plus Instructions
                        122

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INSTRUCTIONS FOR COMPLETING THE "REQUIREMENTS STATUS AND
REGISTRANT'S RESPONSE" FORM FOR PRODUCT SPECIFIC DATA

Item 1-3     Completed by EPA.  Note the unique identifier number assigned by EPA in
             item 3. This number must be used in the transmittal document for any data
             submissions in response to this Data Call-in Notice.

Item 4.      The guidelines reference numbers of studies required to support the product's
             continued registration are identified.  These guidelines, in addition to the
             requirements specified in the Notice, govern the conduct of the required
             studies. Note that series  61 and 62 in product chemistry are now  listed under
             40 CFR 158.155 through 158.180, Subpart c.

Item 5.      The study title associated with the guideline reference number is identified.

Item 6.      The use patters (s) of the pesticide associated with the product specific
             requirements is (are) identified. For most product specific data requirements,
             all use patterns are covered by the data requirements.  In the case of efficacy
             data,  the required studies only pertain to products which have the  use sites
             and/ or pests indicated.

Item 7.      The substance to be tested is identified by EPA.  For product specific data, the
             product as formulated for sale and distribution is the test substance, except in
             rare cases.

Item 8.      The due date for submission of each study is identified.  It is normally based
             on 8  months after issuance of this Reregistration Eligibility  Decision unless
             EPA  determines that a longer time period is necessary.

Item 9.      Enter Only one of the following response codes for each data requirement to
             show how you intend to comply with the data  requirements listed  in this table.
             Fuller descriptions of each option are contained in the Data Call-in Notice.

1.     I will generate and submit data by the specified due date (Developing Data).  By
       indicating that I have chosen this option, I certify that I will comply with all the
       requirements pertaining to the conditions for submittal of this study as  outlined  in the
       Data Call-in Notice.

2.     I have entered into an agreement with one or m6re  registrants to develop data jointly
       (Cost Sharing).  I am submitting a copy of this agreement.  I understand that this
       option is available on for acute toxicity or certain efficacy data and only  if EPA
       indicates in an attachment to this notice that my product is  similar. Enough to
       another product to qualify for this option.  I certify that another party in the
                                          123

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agreement is committing to submit or provide the required data; if the required study
is not submitted on time, my product my be subject to suspension.

I have made offers to share in the cost to develop data (Offers to Cost Share).  I
understand that this option is available only for acute toxicity or certain efficacy data
and only if EPA indicates in an attachment to this Data Call-in Notice that my
product is similar enough to another product to qualify for this option.  I am
submitting evidence that I have made an offer to another registrant (who has an
obligation to submit data) to share in the cost of that data. I am also submitting a
completed " Certification of offer to Cost Share in the Development Data" form. I
am including a copy of my offer  and proof of the other registrant's receipt of that
offer.  I am identifying the party  which is committing to submit or provide the require
data;  if the required study is not submitted on time, my product may be subject to
suspension.  I understand that other terms under Option 3 in the Data Call-In Notice
(Section ffl-C.l.) apply as well.

By the specified due date, I will submit an existing study that has  not been submitted
previously to the Agency by anyone (submitting an Existing Study).  I certify that this
study will meet all the requirements for submittal of existing data  outlined in option 4
in the Data Call-in Notice  (Section IH-C.l.) and will meet the attached acceptance
criteria (for acute toxicity and product chemistry data). I will attach the needed
supporting information along with this response. I also certify that I have determined
that this study will fill the data requirement for which I have indicated this choice.

By the specified due date, I will submit or cite data to upgrade a study classified by
the Agency as partially acceptable and upgrade (upgrading a study).  I will submit
evidence of the Agency's review  indicating that the study may be upgraded and what
information is required to do so.  I will provide the MRID or Accession number of
the study  at the due date.  I understand that the conditions for this Option outlined
Option 5 in the Data Call-In Notice (Section EI-C.l.)  apply.  •

By the specified due date, I will cite an existing study that the Agency has classified
as acceptable or an existing study that has been submitted but not reviewed by the
Agency (Citing an Existing Study).  If I am citing another registrant's study, I
understand that this option is available only for acute toxicity or certain efficacy data
and only if the cited study was  conducted on my product, an identical product or a
product which EPA has "grouped" with one or more other products  for purposes of
depending on the same data.  I may also choose this option if I am citing my own
data.  In either case, I will provide the MRID or Accession number  (s)  number (s) for
the cited data on a "Product Specific Data Report"  form or in a similar format.  If I
cite another registrant's data,  I will  submit a completed "Certification With Respect
To Data Compensation Requirements" form.
                                   124

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7.     I request a waiver for this study because it is inappropriate for my product (Waiver
       Request).  I am attaching a complete justification for this request, including technical
       reasons, data and references to relevant EPA regulations, guidelines or policies.
       [Note: any supplemental data must be submitted in the format required by P.R.
       Notice 86-5].  I understand that this is my only opportunity to state the reasons or
       provide  information in support of my request. If the Agency approves my waiver
       request, I will not be require to supply the data pursuant to Section 3(c) (2) (B) of
       FIFRA.  If the Agency denies  my waiver request, I must choose a method of meeting
       the data requirements of this Notice by the due date stated by this Notice.  In this
       case, I must, within 30 days of my  receipt of the Agency's written decision, submit a
       revised "Requirements Status chosen. I also  understand that the deadline for
       submission of data as specified by the original data cal-in notice will not change.

Items 10-13. Self-explanatory.

NOTE:      You may provide additional information that does not fit on this form in a
             signed letter that accompanies this form.  For example, you may wish to
             report that your product has already been transferred to another company or
             that you have already voluntarily cancelled this product.  For these cases,
             please supply all relevant details so that EPA can ensure  that its records are
             correct.
                                           125

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                ATTACHMENT D
EPA's Grouping of End-Use Products for Meeting Acute
   Toxicology Data Requirements for Rereglstration
                       126

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                                  ATTACHMENT D

EPA'S BATCHING OF BUTYLATE END-USE PRODUCTS FOR MEETING ACUTE
TOXICITY DATA REQUIREMENTS FOR REREGISTRATION

    In an effort to reduce the time, resources and number of animals needed to fulfill the
acute toxicity data requirements for reregistration of products containing the active ingredient
butylate (s-ethyl diisobutylthiocarbamate), the Agency has batched products which can be
considered similar for purposes of acute toxicity. Factors considered in the sorting process
include each product's active and inert ingredients (identity, percent composition and
biological activity),  type of formulation (e.g., emulsifiable concentrate, aerosol, wettable
powder, granular, etc.), and labeling (e.g., signal word, use classification, precautionary
labeling, etc.). Note that the Agency is not describing batched products as "substantially
similar" since some products within a batch may not be considered chemically similar or
have identical use patterns.

    Using available information, batching has been accomplished by the process described in
the preceding paragraph.  Frequently acute toxicity data on individual products has been
found to be incomplete. Notwithstanding the batching process,  the Agency reserves the right
to require, at any time, acute toxicity data for an individual product should the need arise.

     Registrants of products within a batch may choose to cooperatively generate, submit or
cite a single battery of six acute lexicological studies to represent all the products within that
batch. It is the registrants' option to participate in the process with all other registrants, only
some of the other registrants, or only their own products within a batch, or to generate all
the required acute lexicological studies for  each of their own products. If a registrant
chooses to generate the data for a batch, he/she must use one of the products within the batch
as the test material.  If a registrant chooses to rely upon previously submitted acute toxicity
data, he/she may do so provided that the data base is complete and valid by today's standards
(see acceptance criteria attached), the formulation tested is considered by EPA to be similar
for acute toxicity, and the formulation has not been significantly altered since submission and
acceptance of the acute toxicity data. Regardless of whether new data is generated or existing
data is cited, the registrant must clearly identify  the material tested by its EPA registration
number.

    In deciding how to meet the product specific data requirements, registrants must follow
the directions given in the Data Call-in Notice and its attachments appended to the RED. The
DCI Notice contains two response forms which are to be completed and submitted to the
Agency within  90 days of receipt.  The first form, "Data Call-In Response,"  asks whether
the registrant will meet the data requirements for each product. The second form,
"Requirements  Status and Registrant's Response," lists the product specific data required for
each product, including the standard six acute toxicity tests. A registrant who wishes to
participate in a batch must decide whether  he/she will provide the data or depend on someone
                                           127

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else to do so.  If a registrant supplies the data to support a batch of products, he/she must
select one of the following options: Developing Data (Option 1), Submitting an Existing
Study (Option 4), Upgrading an Existing Study (Option 5) or Citing an Existing Study
(Option 6). If a registrant depends on another's data, he/she must choose among: Cost
Sharing (Option 2), Offers to Cost Share (Option 3) or Citing an Existing Study (Option 6).
If a registrant  does not want to participate in a batch, the choices are Options 1, 4, 5 or 6.
However, a registrant should know that choosing not to participate in a batch does not
preclude other registrants in the batch from citing his/her studies and offering to cost share
(Option 3) those studies.

    Table I indicates 1 batch including 2 products containing the active ingredient butylate.

Table I.
Batch No.
1
EPA Reg. No.
34704-702
10182-222
% Butylate
85.1
85.1
Formulation
Emulsifiable Concentrate (EC)
EC
   Table II lists 12 products that were either considered not to be similar for purposes of acute
toxicity or the Agency lacked sufficient information for decision making and were not placed in any
batch. Registrants of these products are responsible for meeting the acute toxicity data
requirements for each product.

Table II.
EPA Reg. No.
10181-181
1 01 82-1 82
10182-192
10182-201
10182-211
1 01 82-236
10182-248
10182-249
1 01 82-269
10182-286
% Butylate, And Other Active
Ingredient
78.06
10.0
88.2
18.0
5.7 Atrazine
77.3
48.2
56.8
1 3.9 Atrazine
74.0
97.0
89.6
Formulation
EC
Granular
EC
Granular
EC
Pellet/tablet
EC
EC
Technical
EC
                                            128

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EPA Reg. No.
% Butylate, And Other Active
        Ingredient
                                                                     Formulation
 10182-288
                          85-1
                                                                         EC
 34704-633
                          10.0
                                                                      Granular
                                                  129

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                ATTACHMENT E
              EPA Acceptance Criteria
(Refer to Generic DCI Acceptance Criteria Attachment E)
                       130

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       ATTACHMENTF
 List of Registrants sent this DCI
(Included in registrants copy only)
               131

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           ATTACHMENT G

Product Specific Data Call-In Cost Share and
        Data Compensation Forms
                  132

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United States Environmental Protection Agency
f\ PT^ JL Washington, DC 20460
t*B^|""i^£A CERTIFICATION OF OFFER TO COST
^^kl Mm SHARE IN THE DEVELOPMENT OF DATA
Para Approve*
OMB K*. 2070-0107
2070-0097
Approval t*P»»e* 3-31-f«
Public reporting burden for this collection of information is estimated to average 15 minutes per response, including
time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and
completing and reviewing the collection of information. Send comments regarding the burden estimate or any other
aspect of this collection of information, including suggestions for reducing this burden, to Chief, Information Policy
Branch, PM-223, U.S. Environmental Protection Agency, 401 M St., S.W., Washington, DC 20460; and to the Office
of Management and Budget, Paperwork Reduction Project (2070-0106), Washington, DC 20503.
Please fill In blanks below.
Company Nam*
Chemical Nam*
Company Number
EPA Chemical Number
 I Certify that:

 My company is willing to develp and submit the data required by EPA under the authority of the Federal
 Insecticide, Fungicide and Rodentfade Act (FIFRA), if necessary. However, my company would prefer to
 enter into an agreement with one or more registrants to develop jointly or share in the cost of developing
 data.

 My firm has offered in writing to enter into such an agreement.  That offer was irrevocable and included an
 offer  to be bound by arbitration decision under section 3(c)(2)(B)(fii) of FIFRA  H final agreement on all
 terms could not be reached otherwise. This offer was made to the following firm(s) on the following
 date(s):
  Nan* of Flrm(a)
                                                                               Data of Offer
Certification:

l<»r%tr«tlam
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    ?/EPA
Untttd States Environmental Protection Agency
             Washington, DC 20460
   CERTIFICATION  WITH RESPECT  TO
 DATA  COMPENSATION REQUIREMENTS
Fora Approved

OUa No.  2070-0107
         2070-0057
Approval  Expire*  3-3l-»'
 PubBc reporting burden for this collection of information is estimated to average 15 minutes per response, Deluding
 time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and
 completing and reviewing the collection of information. Send comments regarding the burden estimate or any other
 aspect of this collection of information, including suggestions for reducing this burden, to Chief, Information Pohcy
 Branch, PM-223, U.S. Environmental Protection Agency, 401 M St., S.W., Washington, DC 20460: and to the Office
 of Management and Budget. Paperwork Reduction Project (2070-0106), Washington.  DC 20503.

 Please fill  in blanks below.
 Company Name
                                                                         Company  Number
 Chemical Name
                                                                         EPA Chemical Number
I Certify that:

1   For each study cited in support of registration or registration under the Federal Insecticide. FMg&deand
 '   RodenticBe Act (FIFRA) that is an exclusive use study. I am the original data submitter, or I have obtained the
    written permission of the original data submitter to cite that study.

2.   That for each study died in support of registration or ^registration under FIFRA that is NOT£""cUtive use
    study I am the original data submitter, or I have obtained the written permsswn of the original data submitter, or t
    have notified in writing the company(ies) that submitted data I have cited and have offered to: (a) Pay
    XeSSrTfoTmole data SlSrdance with sections 3(c,(i )(D) and 3(c)(2)(D, of F.FRA:  and (b) Commence
    negotiation to determine which data are subject to the compensation requirement of FIFRA and the amount of
    compensation due, if any. The companies I have notified are: (check one)

    11  AB companies on the data submitters' list for the active ingredient listed on this form {Cite-All
        Methodor Cite-All Option under the Selective Method). (Also sign the General Otter to Pay
        below.)

    [ 1  The companies who have submitted the studies listed on the back of this form or attached
        sheets, or indicated on the-attached -Requirements Status and Registrants' Response Form."

3.  That I have previously complied w«h section 3(c){D(0) of FIFRA tor the studies I have dted  in support of
    registration or reregistration under FIFRA.	
  Signature
                                                                          Date
 NMM and Title (Pteaae Ty»* «r Print)
                                            	pay compensation to other persons, with regard to the
                                            extent required by FIFRA sections 3(0(1)(0) and 3(c)(2)(0)
 Signature
 Name and Till* (Ptoaao Type or Print)
 EPA Form «570>31 (4-90)

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