-------
                          TABLE OF CONTENTS
USEPA Organization Chart 	   ii
ORD Organization Chart 	  hi
Directory Description  	   1
Human Health Assessment Group  	   2
Exposure Assessment Group  	   4
Environmental Criteria and Assessment Office - RTF	   5
Environmental Criteria and Assessment Office - Gin   	   7
Risk Reduction Engineering Laboratory	   9
Air and Energy Engineering Laboratory  	   11
Atmospheric Research and Exposure Assessment Laboratory  	   13
Environmental Monitoring Systems Laboratory - Cin   	   16
Environmental Monitoring Systems Laboratory - Las Vegas 	   19
Robert S. Kerr Environmental Research Laboratory - Ada  	   22
Environmental Research Laboratory - Athens 	   24
Environmental Research Laboratory - Corvallis  	   26
Environmental Research Laboratory - Duluth	   28
Environmental Research Laboratory - Gulf Breeze 	   30
Environmental Research Laboratory - Narragansett  	   32
Health Effects Research Laboratory 	   34

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U. S. Environmental Protection Agency Organization Chart


Staff Offices Administrator
Administrative Law Judges
Civil Rights 	 p,.
Small & Disadvantage Admnistrator
Business Utilization

1
Assistant
Administrator for
Administration and
Resources Management
Office of
" the Comptroller
Office of
Administration
Office of Information
' Resources Management
Office of
• Human Resources
Management
Office of
Administration &
" Resource Management
RTP.NC
Office of Administration
Cincinnati, OH

Assistant General
Administrator for Counsel
Enforcement and
Compliance Monitoring
Office of Criminal
Enforcement
Office of Senior
Enforcement Counsel








Assistant
Administrator for
Water
Office of Water
Enforcement and
Permits
Office of Water
Regulations and
Office of Municipal
Pollution Control
Office of
Drinking Water
Office of Marine and
Estuarines
Protection
Office of Ground
Water Protection
Office of Wetlands
Protection
i

Assistant
Administrator for
Solid Waste and
Emergency Response
Office of
' Solid Waste
Office of
. Emergency and
Remedial Response
Office of Waste
. Programs
Enforcement
Office of
. Underground
Storage Tanks
' • . .'"*."

1


Associate Administrator
for nternational Activities
Associate Administrator
for Regional Operations


Assistant
Administrator for
Policy, Planning
and Evaluation
Office of
Policy Analysis
Office of Standards
and Regulations
Office of Management
Systems and Evaluation





1




1
Assistant
Administrator for
External Affairs
Office of
~ Congressional Liaison
Office of
Federal Activities
Office of
legislative Analysis
Office of Community
_ and ntergovernmental
Relations
Office of
Public Affairs


Assistant
Administrator for
Air and Radiation
Office of Air
. Quality Planning and
Standards
Office of
Mobile Sources
Office of
Radiation Programs






~~l
Inspector
General
Office of
Audit
Office of
investigations
Office of Management
- and Technical
Assessment

1
Assistant
Administrator for
Pesticides and
Toxic Substances
Office of
Pesticide Programs
Office of
Toxic Substances
Office of
Compliance
Monitoring

1 1 1 1
Region 1
Boston
Region II , Region II
New York Philadelph
Region IV Region V Region VI
a Atlanta Chicago Dallas


F
Region VII
Kansas City

Assistant
Administrator for
Research and
Development
Office of
Modeling, Monitoring
Systems and
Quality Assurance
Environmental
Engineering and
Technology
Demonstration
Office of
Environmental
Processes and
Effects Research
Office of
Health Research
Office of Health
and Environmental
Assessment

1 1
Region VIII
Denver S
Region IX
an Francisco
1
Region X
Seattle

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            JL
    Office of Research
  Program Management
   Clarence Mahan, Oir.
 Office of Modeling.
Monitoring Systems &
  Quality Assurance
 Rick Linthurst.* Dir.
   Program Operations
          Staff
      Paul Palm. Oir.
    Quality Assurance
    Management Staff
   Stanley Blacker, Oir.
       Modeling &
    Monitoring System
          Staff
   John Montanari,* Dir.
       Atmospheric
   Research & Exposure
       Assessment
      Lab.,Research
     Triangle Park, NC
     Gary Foley," Oir.
      Environmental
   Monitoring Systems
    Lab, Cincinnati. OH
      Tom Clark. Dir.
      Environmental
    Monitoring Systems
    Lab.,Las Vegas. NV
   Robert Snelling," Dir.
                            Assistant Administrator tor Research
                                     and Development
                                     Erich Bretthauer*
                              Deputy Assistant Administrator
                                     John H. Skinner*
                                        JL
 Office of Environmental
Engineering & Technology
     Demonstration
   Fred Lindsey,* Oir.
    Program Management
            Staff
       Alfred Galli, Dir.
    Program Development
            Staff
      Greg Ondich, Dir.
      Air & Energy
  Engineering Research
 Lab., Research Triangle
        Park, NC
   Frank Princiotta, Dir.
     Risk Reduction
    Engineering Lab.,
     Cincinnati, OH
   Timothy Oppelt, Oir.
                                                                                                                                                           * Acting
                                     Office of Exploratory
                                          Research
                                     Roger S. Cortesi, Dir.
Office of Environmental
  Processes & Effects
       Research
 Courtney Riordan, Dir.
    Program Operations
           Staff
   Patricia Neuchatz, Dir.
    Terrestrial & Ground
        Water Staff
     Jack Durham, Dir.
                                       Marine, Freshwater &
                                          Modeling Staff
                                         Peter Jutro,* Dir.
 Environmental Research
    Lab., Corvallis, OR
  Thomas Murphy, Dir.
                                                                    Environmental Research
                                                                       Lab., Athens, GA
                                                                     Rosemarie  Russo, Dir.
                                     Environmental Research
                                        Lab., Ouluth, MN
                                        Gilman Veith, Dir.
                                     Environmental Research
                                      Lab., Narragansett, Rl
                                      Norbert Jaworski. Dir.
                                                                    Environmental Research
                                                                     Lab., Gulf Breeze, FL
                                                                       Ray Wilhour," Dir.
                                                                    R. S. Kerr Environmental
                                                                    Research Lab., Ada. OK
                                                                       Clinton Hall, Oir.
 Office of Health
    Research

 Ken Sexton, Dir.
       Program
   Operations Staff
  Mary Radzikowski,
         Dir.
                                          Environmental
                                         Health Research
                                              Staff
                                         David Kleffman,
                                               Dir.
   Health Effects
   Research Lab.,
 Research Triangle
     Park, NC
Lawrence Reiter, Dir.
                                     Office of Senior ORD
                                       Official Cincinnati,
                                              OH
                                       Francis Mayo, Oir.
                                     Office of Senior ORD
                                       Official, Research
                                       Triangle Park, NC
                                       Ralph Hazel, Dir.
                                                                               J_
                                Office of Technology
                               Transfer & Regulatory
                                      Support
                                 Peter Preuss, Dir.
 Office of Health &
   Environmental
    Assessment
William Farland, Dir.
   Program Operations
         Staff
   Barry Goldfarb, Dir.
                                     Program Liaison
                                          Staff
                                     Jerry Moore. Dir.
                                        Technical
                                    Information Staff
                                     Marie Pfaff, Dir.
    Human Health
  Assessment Group
   Charles Ris,* Dir.
                                                                      Exposure Assessment
                                                                              Group
                                                                      Michael Callahan, Dir.
                                 Environmental Criteria
                                 & Assessment Office,
                                Research Triangle Park,
                                          NC
                                   Lester Grant,  Dir.
                                                                                                          Environmental Criteria
                                                                                                          & Assessment Office,
                                                                                                             Cincinnati, OH
                                                                                                         Steven Lutkenhoff,* Dir.
                                                                               Center for Environmental Research
                                                                                   Information, Cincinnati, OH
                                                                                     Calvin Lawrence, Dir.
                                                                            Ill

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                      ENVIRONMENTAL PROTECTION AGENCY
                    OFFICE OF RESEARCH AND DEVELOPMENT
  The Office of Research and Development conducts
an Agency-wide integrated program of research and
development relevant to pollution sources and control,
transport and fate processes, health  and  ecological
effects,  measurement  and monitoring,  and  risk
assessment. The office rigorously disseminates its
scientific and technical knowledge and upon request
provides technical reviews, expert  consultations,
technical assistance and  advice  to  environmental
decision makers in the federal, state,  and local
government.
  The ORD implements  its activities through its
Washington, DC, headquarters' offices and associated
laboratories  and field  locations (see organizational
chart).
     The  programs, areas of expertise, and  primary
   contacts in each of the major ORD  operations  are
   conveyed in the following directory. These information
   sheets are made available in  an effort  to  improve
   communication and technology transfer  with  our
   clients.
     In  addition, information may  be obtained from  the
   following offices in Washington, DC. ORD publications
   may be requested from the Center for Environmental
   Research Information in Cincinnati, OH.
     Clients are urged to make direct contacts. If help or
   coordination  is needed to  properly access the listed
   operations,  directory  assistance can  be easily
   obtained  by contacting the Office  of  Technology
   Transfer and Regulatory Support in Washington,  DC
   on  (CML) 202-382-7669  or (FTS)  8-382-7669.
                                                 Commercial
                         FTS
                     Office of Health Research

                     Office of Environmental
                     Processes and Effects
                     Research

                     Office of Modeling,
                     Monitoring Systems and
                     Quality Assurance

                     Office of Health and
                     Environmental
                     Assessment

                     Office of Research
                     Program Management

                     Office of Environmental
                     Engineering and
                     Technology Demonstration

                     Office of Exploratory
                     Research

                     Office of Technology
                     Transfer and Regulatory
                     Support

                     Center for Environmental
                     Research Information
202-382-5900

202-382-5950



202-382-5767



202-382-7317



202-382-7500


202-382-2600



202-382-5750


202-382-7669



513-569-7562
8-382-5900

8-382-5950



8-382-5767



8-382-7317



8-382-7500


8-382-2600



8-382-5750


8-382-7669



8-684-7562

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                          HUMAN HEALTH  ASSESSMENT GROUP
  The Human Health Assessment Group provides advice
on  the health risks associated  with suspected cancer-
causing agents and the risks associated  with chemicals
suspected  of causing  detrimental reproductive effects,
including mutagenic, teratogenic, and  other  adverse
reproductive  outcomes and reduced fertility.  Expertise is
provided in the following areas:

• Carcinogen Assessment  Toxicology: health risks
  associated  with  suspected cancer-causing agents  as
  interpreted  from animal toxicology and pathology data.

• Carcinogen Statistics and Epidemiology:  health  risks
  associated  with  suspected cancer-causing agents  as
  interpreted  from epidemiology data and the statistical
  analysis of  both epidemiologic and animal data.
                       • Reproductive and Developmental Toxicology: health
                         risks associated  with  suspected  reproductive and
                         developmental toxicants as interpreted  from in  vitro,
                         experimental animal, and human data.

                       • Genetic Toxicology  Assessment: health risks asso-
                         ciated with suspected genotoxins as interpreted from in
                         vitro, experimental animal, and human data.

                       • Technical Assistance: technical assistance to state and
                         local air pollution control agencies and regional offices
                         on matters pertaining to health and risk assessments
                         for toxic air pollutants through the Agency's Air  RISC
                         Support Center;  revisions to  proposed  and  final
                         regulations and guidance documents for various
                         agency and regional offices; and risk assessments for
                         EPA program and regional offices and state agencies.
                                                   Director
            Carcinogen
            Assessment
            Toxicology
     Carcinogen
Assessment Statistics
  and Epidemiology
    Genetic Toxicology
       Assessment
Reproductive and
 Developmental
.   Toxicology
                                          Areas of Expertise
        Name and Title

 Charles Ris, Acting Director
 Robert McGaughy,
 Senior Scientist
 Carcinogen Assessment
 Toxicology Branch
 Charalingayya Hiremath, Acting
 Chief


TTS: 382-xxxx; CML: 202-382-xxxx
    Telephone*

        5898


        5898
        5898
                  Area of Expertise
 Risk assessment (general) for state environmental programs;
 industrial technology research; environmental engineering

 Risk assessment (all phases) for chemical carcinogens;
 program planning for pesticides; toxicology research;
 medical problems in manned space flight; basic physics;
 spectroscopy; toxicology; modelling; epidemiology; radiation

 Toxicologic and carcinogenic effects of inhaled air
pollutants; risk assessment methodology for route-to-
route and species extrapolation

(continued)

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                                         Areas of Expertise

                                                (continued)
        Name and Title

 Carcinogen Assessment Statistics
 and Epidemiology Branch
 V. James Cogliano, Acting Chief

 Genetic Toxicology Assessment
 Branch
 Margaret Chu, Acting Chief
 Reproductive and Developmental
 Toxicology Branch
 Harold Zenick, Chief

*FTS: 382-xxxx; CML: 202-382-xxxx
Telephone*

    5898
                  Area of Expertise
    7303
    7303
Risk estimation; Superfund reportable quantities;
mathematical modelling; computer simulation
Mammalian somatic cell genetics and gene regulation;
mechanistic and applied mutagenesis; test system
development and mechanisms of induction for aneuploidy;
design of mutagenicity tests

Reproductive and developmental toxicology;
neurobehavioral toxicology; human field studies; human and
animal semen studies; animal models for human diseases
(or exposures); experimental design and test protocol issues

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                             EXPOSURE ASSESSMENT GROUP
  Exposure Assessment Group provides advice on  the
exposure characteristics and factors of agents that  are
suspected of causing detrimental health effects; provides
state-of-the-art  methodology,  guidance,  and
procedures for exposure determinations; and  prepares
independent assessments  of  exposure and  recom-
mendations concerning the exposure potential of specific
agents. The Exposure Assessment  Group   offers
expertise in the following areas:

• Exposure Assessment Applications:  performing expo-
  sure assessments,  applying  exposure  assessment
  methods  to site-specific cases, reviewing Regional
  Superfund risk assessments,  and reviewing exposure
  assessments prepared by other organizations.
 • Exposure Assessment Methods: developing  methods
   for use  in exposure assessments,  chairing  Agency-
   wide work groups on subjects such  as  guidelines
   development and  related Risk Assessment Forum
   topics,  performing  exposure assessments, and
   reviewing exposure assessments prepared by other
   organizations.

 • Technical Assistance: conducting  exposure assess-
   ment  workshops for the regions  and states and
   providing peer  review of regional and  state  risk and
   exposure assessments  and endangerment assess-
   ments.
                                             Director
                      Exposure Assessment
                          Applications
     Exposure Assessment
           Methods
                                       Areas of Expertise
        Name and Title            Telephone*

 Michael A. Callahan, Director             8909

 Exposure Assessment                   8909
 Applications Branch
 Kevin G. Garrahan, Chief

 Exposure Assessment Methods           8909
 Branch
 John Schaum, Chief
                Area of Expertise

Exposure assessment

Superfund risk assessments; RCRA requirements; water
and wastewater treatment; remedial cleanup technologies


Exposure assessments; multimedia modelling; waste
treatment technology
*FTS: 475-xxxx; CML: 202-475-xxxx

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                 ENVIRONMENTAL CRITERIA AND  ASSESSMENT OFFICE
 Lester D. Grant,
 Director
FTS:           629-4173
CML:     919-541-4173
                     (MD-52)
Research Triangle Park, NC
                         27711
  The Environmental Criteria and Assessment Office at
Research  Triangle  Park is  primarily responsible for
preparing  criteria and other assessment  documents for
use in Agency regulatory activities. The primary activities
consist of preparing  and publishing  (1) revised or new
criteria documents when prescribed  by legislation  or
requested by national decisionmakers,  (2)  health and
environmental assessment documents that  serve as  a
basis for decisions by the EPA Administrator regarding
the regulation and control of pollutants, and (3) special
health-related reports as required  by various legislative
authorities or technical assistance  to  international
organizations and governments. The ECAO-RTP  offers
expertise in the following:

• Environmental Media Assessment: broad,  usually
  multi-disciplinary,  assessments of widespread  pollu-
  tants or classes of pollutants.  These  assessments
  require  substantial   evaluation  and   integration  of
  information not only  on health  effects, but also on
  ecological or other environmental effects. Additionally,
  they include  background information  on  sources,
  emissions, transport and fate, and  exposure aspects.
  Activities include the preparation of air quality criteria
  documents and the preparation or review of cross-
  media pollutant assessments.

• Hazardous Pollutant Assessment: detailed studies of
  health  (lexicological) effects  associated with specific
                      individual pollutants or classes of pollutants. A principal
                      activity is  the  review  or preparation  of health
                      assessments for particular pollutants under  con-
                      sideration  for possible  listing  as  Hazardous  Air
                      Pollutants.  Another  is the  review  or  preparation  of
                      assessments of the health effects  of  specific
                      substances  or classes of substances  evaluated  for
                      regulation under Superfund or water quality statutes.

                      Indoor Air  Program  Assessment:  Lead  responsibility
                      for management  of the integrated Indoor Air Research
                      Program; preparation of related materials (e.g., Report
                      to Congress) and coordination of other Federal indoor
                      air  research activities. Development  of risk
                      characterization methodology as  well  as  indoor  air
                      public  awareness  documents; participation   in
                      associated  activities (Administrator  briefings, Congres-
                      sional testimony,  public hearings, etc.).

                     1 Technical Assistance: Scientific assessment support to
                      Regions, States, local agencies through contributions to
                      our review  of risk assessment materials dealing with
                      problem situations in  particular geographic areas falling
                      under various EPA  Regional Offices, States, or local
                      governmental purviews. Includes operation of the  Air
                      RISC "hotline" and provisions of  expert testimony or
                      expert assistance in  preparation  of legal positions or
                      strategies in dealing with litigation situations.
                                                  Director
              Hazardous Pollutant
                 Assessment
                                         Environmental Media
                                            Assessment

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                                         Areas of Expertise
 Office of the Director
 Lester 0. Grant, Director
   Michael A. Berry, Deputy Director

   Judith A. Graham, Associate
   Director
   Si Duk Lee

   Environmental Media
   Assessment Branch
   Norman E. Childs, Acting Chief
    Darcy L Campbell
    Robert W. Elias
    Jasper H. B. Garner
    Dennis J. Kotchmar
    Thomas B. McMullen
    James A. Raub
    Beverly E. Tilton

   Hazardous Pollutant Assessment
   Branch
   Judith A. Graham, Acting Chief

    Harriet M. Ammann

    Beverly M. Comfort
    J. Michael Davis

    William G. Ewald
    Mark M. Greenberg
    Ann M. Jarabek
    Winona W. Victery
     David E. Weil
   Telephone*


       4173


       4172

       4159

617-495-9130**
       2229
       4477
       4167
       4153
       4158
       4150
       4157
       4161
       4159

       4930

       4165
       4162

       4164
       4156
       4847
       4828
       4163
                Area of Expertise


Criteria air pollutants; health assessment of air
pollutants; technical assistance for health effects of air
pollutants.
Environmental legislation; indoor air pollution

Health assessment of toxic air pollutants;  criteria air
pollutants
Health risk assessment of air pollutants
Criteria air pollutants; indoor air pollution
Forest ecological systems; indoor air pollution
Heavy metals; exposure modeling
Terrestrial effects
Epidemiology and pulmonary effects
Air quality data
Carbon monoxide; ozone
Ozone; hydrocarbons
Inhalation toxicology; criteria air pollutants; aerosols;
metals
Indoor air pollution/woodsmoke;  radiation biology;
toxicology
Pesticides
Neurobehavioral toxicology and teratology; lead; acid
deposition
Toxicology; radiation; biology
Organic chemicals; toxicology
Inhalation risk assessment
Chromium; metals; Air RISC Hotline
Neuropathology; lead; project management and PC
applications
 *FTS: 629-xxxx; CML: 919-541-xxxx
"Currently on IPA at Harvard University

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                ENVIRONMENTAL CRITERIA AND ASSESSMENT OFFICE
 Steven D. Lutkenhoff,
 Acting  Director
FTS:          684-7531
CML:     513-569-7531
       Cincinnati, OH 45268
  The Environmental Criteria and Assessment Office in
Cincinnati,  Ohio  (ECAO-Cin) is  responsible  for
developing  risk assessment  documents, assessment
methodologies, and guidelines to estimate human health
effects.  Primarily,  the  ECAO-Cin  (1)  prepares and
publishes  new  or  revised criteria  documents when
needed as input and guidance for setting environmental
standards,  (2) prepares  and  publishes  scientific
assessment documents/health risk assessment  reports,
which will  serve as a basis for decisions by the EPA
Administrator regarding the  listing  of pollutants for
standards and  control under various  legislative  author-
ities, (3) develops risk assessment methods, which
provide guidance for evaluating potential risks to human
health from exposure to environmental pollutants,  and (4)
actively participates in Agency-wide work groups in the
planning, development  and implementation  of future
research strategies for the Agency. The ECAO-Cin has
three areas of expertise:

• Chemical  Mixtures Assessment Branch:  Develops
  background  docu-mentation  and  technical  support
  necessary to formulate human health risk assessment
  activities as  mandated by both the Comprehensive
  Environmental Response, Compensation, and  Liability
  Act of 1980 (CERCLA) and the Resource Conservation
  and Recovery Act (RCRA). These assessments estab-
                    lish the basis for regulatory activities associated with
                    the potential human  exposure  to environmental
                    pollutants, particularly chemical mixtures.

                    Systemic  Toxicants Assessment  Branch:  Develops
                    background  documentation  and  technical support
                    necessary  in  the formulation of human health risk
                    assessment activities as mandated  by the Clean Water
                    Act (CWA) (including ambient water, municipal waste
                    water-sludge), the  Safe  Drinking Water Act (SDWA),
                    the Clean Air Act (CAA) and the Resource Conservation
                    and  Recovery Act (RCRA)  - Subtitle D. These
                    assessments establish the basis for regulatory activities
                    associated  with the potential human  exposure  to
                    environmental pollutants,  particularly  systemic
                    toxicants.

                    Methods Evaluation and Development Staff:  Develops
                    coordinates risk assessment methods  for  chemical
                    mixtures  and systemic  toxicity  and reviews  new
                    methods in response to identified Agency needs. The
                    staff also  coordinates the Agency's Integrated  Risk
                    Information System (IRIS). This  activity helps ensure
                    that  the Agency's risk assessments  remain credible
                    and  that  state-of-the-art methods are continuously
                    developed.
                                              Director
            Chemical Mixtures
               Assessment
       Systemic Toxicants
           Assessment
Methods Evaluation and
    Development

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                                        Areas of Expertise
 Office of the Director
 Steven D. Lutkenhoff, Acting Director
   Debdas Mukerjee

   Chemical Mixtures Assessment
   Branch
   Christopher DeRosa
     Harlal Choudhury
     Chris Cubbison

     Larry Glass
     Pei-Fung Hurst
     Deborah McKean
     Moiz Mumtaz
     Robin Osborne
     Dave Reisman
     John Risher
     Bennett Smith

   Systemic Toxicants Assessment
   Branch
   Cynthia Sonich-Mullin
     Randall Bruins
     Annette Gatchett
     Judith Olsen
     Lynn Papa
     Bruce Peirano

   Methods Evaluation and
   Development Staff
   Michael Dourson

     Pat Daunt
     Richard Hertzberg

     Jacqueline Patterson
     Rita Schoeny

     Jeff  Swartout
Telephone*


   7531
   7572
                                                                      Area of Expertise
   7534
   7536
   7599

   7541
   7585
   7569
   7593
   7571
   7588
   7633
   7543
   7523
   7539
   7813
   7576
   7587
   7540
   7533

   7596
   7582

   7574
   7544

   7811
Risk assessment
Cancer assessments
Superfund; solid waste
Land disposal bans; .reference doses
Less-than-lifetime risk assessments; reportable
quantities
Toxicology; complex exposure assessments
Epidemiology; virology; ATSDR; toxicological profiles
Pathology
Risk characterization; pharmacology
Data base development
CURE data base
CBI data; neurotoxicity
Immunology
Water and hazardous air pollutant programs
Sludge disposal/reuse methodology
Drinking water disinfectants
Information transfer
Physiology/health assessment
Pharmacokinetics
Reference doses (RfDs) IRIS; non-cancer risk
assessment guidelines
IRIS data base
Biomathematical models; STARA and MIXTOX data
bases; chemical mixture guidelines
IRIS data base
Carcinogen Risk Assessment Endeavor (CRAVE);
polycyclic aromatic hydrocarbons
IRIS; non-cancer risk assessment
*FTS: 684-xxxx; CML: 513-569-xxxx

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                      RISK REDUCTION ENGINEERING  LABORATORY
 E. Timothy Oppelt,
 Director
FTS:          684-7418
CML:      513-569-7418
                       Cincinnati, OH 45268
  The  mission and  function of the Risk  Reduction
Engineering  Laboratory  (RREL)  is  to  provide  an
authoritative, defensible, engineering basis  in support of
the policies,  programs  and  regulations  of the U.S.
Environmental Protection Agency with respect to drinking
water, hazardous wastes,  pesticides, Superfund,  toxics,
and  wastewater.  Research  and  technical assist-
ance/support are conducted  in  the  following specific
areas:

• Drinking Water: Engineering solutions for the treatment,
  distribution, and preservation of public drinking  water
  supplies.

• Hazardous  Wastes: Research in  incineration, land
  disposal  practices,  and to determine  existing and
  emerging alternatives for treating, detoxifying, volume
  reduction and  waste  minimization of  hazardous
  materials and municipal solid wastes.

• LUST Trust Fund Technical Support: Technical  assist-
  ance on corrective action, site assessments, decision
  tools and cleanup  technologies to LUST Trust Fund
  administrators and implementors.
                    • Pesticides: Technical support to the Office of Pesticide
                      Programs for technological alternatives for disposal of
                      cancelled and suspended pesticides, and to  provide
                      data and guidance on the capabilities of protective
                      clothing for reducing working exposure to pesticides.

                    • Superfund: Technologies for  response  and remedial
                      action  for  supporting  enforcement  actions  and
                      protecting personnel involved in  cleanup.  Superfund
                      Innovative Technology Evaluation (SITE)  program  to
                      enhance development and demonstration of innovative
                      technologies as alternatives to containment.

                    • Toxics  Chemical Testing and Assessment:   Alter-
                      natives for regulating  the manufacture  and  use  of
                      existing  chemicals (including asbestos); assessing
                      release and exposure  in review of Premanufacturing
                      Notices (PMNs) for new chemicals; and techniques and
                      devices to contain and destroy genetically engineered
                      organisms

                    • Wastewater (Municipal and Industrial):  Cost-effective
                      methods  for the prevention, treatment and manage-
                      ment of municipal wastewater,  sludges and urban
                      runoffs, and industrial  processing, manufacturing, and
                      toxic discharges.
                                                  Director
           Drinking Water
             Research
   Superfund
   Technology
 Demonstration
            Inorganics and
          Partculates Control
                                          I
 Site Demonstration
   and Evaluation
            Microbiological
              Treatment
     Releases
      Control
              Organics
               Control
           Systems and Field
              Evaluation
   Water and
Hazardous Waste
   Treatment
    Research
  Hazardous Waste
    Treatment
     Municipal
    Wastewater
                             Toxics
                             Control
                            Treatment
                            Assessment
                                                                                         1
      Waste
   Minimization,
 Destruction and
Disposal Research
 Municipal Solid Waste
    and Residuals
    Management
      Thermal
     Destruction
                         WasteM inimization

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                                         Areas of Expertise

                                        Telephone*
                            Area of Expertise
Office of the Director
E. Timothy Oppelt, Director
  John J. Convery, Acting Deputy
    Director

  Drinking Water Research Division
  Robert M. Clark, Director
    Thomas J. Sorg
    Gary S. logsdon
    Alan Stevens
    Benjamin  W. Lykins
    Marvin Gardels
    Richard Miltner
    J. Keith Carswell
    Edwin E. Geldreich

  Superfund Technology
  Demonstration Division
   Ronald D. Hill, Director
    Robert A. Olexsey
    John S. Farlow
    Stephen C. James

    Donald E. Sanning
    Frank Freestone
    Paul dePercin
    Naomi P. Barkley
    Jonathan  G. Herrmann

   Water and  Hazardous Waste
   Treatment  Research Division
   Clyde J. Dial, Acting Director
    Alden G. Christiansen, Deputy
      Director
    Benjamin L Blaney
    Carl A. Brunner
    Roger C.  Wilmoth
    Dolloff F.  Bishop
    Kenneth A. Dostal
    John O. Burckle
    Richard A. Dobbs

   Waste Minimization, Destruction
   and Disposal Research Division
   Robert Hall, Acting Director
    Clyde R. Dempsey
    Harry  M. Freeman
    James S. Bridges
    Robert E. Landreth
    Carlton Wiles
    George L. Huffman
    Michael H. Roulier
    Donald A. Oberacker
7418         Hazardous waste management
7896         Municipal wastewater treatment
7201         Drinking water treatment
7370         Drinking water inorganics control; radionuclides
7345         Drinking water microbiological treatment
7342         Organics control; disinfection byproducts
7460         Drinking water field evaluations; costs
7217         Corrosion
7403         Activated carbon adsorption
7389         Ozone; granular activated carbon
7232         Drinking water management
7861         Superfund engineering technology
7717         Superfund Site demonstration and evaluation
6635**       Superfund releases control
7877         Superfund innovative technology evaluation;
             demonstration
7875         Superfund containment technology
6632"       Superfund on-site technology
7797         Fugitive dust control
7854         Containment technology-plume management
7839         Containment technology-permeable treatment
7601         Hazardous waste alternative technologies
7406         Industrial wastewater treatment

7519         Hazardous waste treatment
7655         Municipal wastewater treatment
7509         Toxics control; asbestos
7629         Municipal wastewater toxics control; pilot plants
7503         Industrial wastewater treatment
7506         Biotechnology
7649         Fate and treatability of toxics
7546         RCRA facilities; municipal solid wastes
7504         Industrial wastewater treatment; thermal destruction
7529         Waste minimization
7683         Waste minimization in federal facilities
7836         Landfill design and operation
7795         Surface impoundments; stabilization
7881         Thermal destruction; combustion
7796         Waste leaching; pollutant migration
7431         Thermal destruction of hazardous materials
 *FTS: 684-xxxx; CML: 513-569-xxxx
**Edison. NJ,  FTS: 340-xxxx; CML: 201-906-xxxx
                                                    10

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               AIR AND  ENERGY ENGINEERING RESEARCH  LABORATORY
 Frank T. Princiotta,
 Director
               FTS:           629-2821
               CML:     919-541-2821
                                                              (MD-60)
                                        Research Triangle Park, NC
                                                                 27711
  The  mission of the Air and Energy  Engineering
Research  Laboratory (AEERL)  is to research, develop
and  demonstrate  methods   and  technologies  for
controlling air pollution from stationary sources. Among
these stationary  sources are  electric power plants,
manufacturing  and  processing  industries,  and
incinerators. The Laboratory does not deal with pollution
from mobile sources or nuclear power plants.
  Staffed primarily by engineers, the Laboratory creates
and  improves  air  pollution control  equipment,  seeks
means of  preventing  or reducing pollution through
changes  in industrial  processes,  develops predictive
models and  emissions  inventories,  identifies  and
assesses the importance  of air pollution  sources, and
conducts fundamental research to define the mechanisms
by which  processes, equipment, and fuel combustion
produce air pollution.
  Currently, AEERL is concentrating its efforts in eight
main program areas, which are briefly described below:
• Acid Rain: Developing means of controlling  acid rain
  precursors,  S02 and NOX,  including  the  Limestone
  Injection Multistage Burner; developing models that will
  identify the best possible control alternatives for various
  scenarios,  and  developing  inventories  of acid rain
  precursor emissions.
• Air Toxics: Developing control technologies for volatile
  organic  compounds (VOCs);  identifying  sources  of
  VOCs;  developing improved designs that will achieve
  better control of woodstove emissions; and developing
  computerized advisory systems that will, for instance,
  assist permit writers  in making  decisions about new
  industries or that will assist  local emergency planning
  committees  in  preparing  for  accidental releases  of
  hazardous chemicals.
                                   • Hazardous Wastes: Studying the fundamental com-
                                     bustion mechanisms that influence thermal destruction
                                     of hazardous wastes.  Included are studies of  droplet
                                     atomization of liquid wastes, failure modes in a small
                                     pilot-scale rotary  kiln,  and small  pilot-scale studies of
                                     fluidized-bed incineration.
                                   • Indoor Air  Quality: Developing and demonstrating
                                     means of reducing the  entry of naturally occurring
                                     radon into houses, schools and other public buildings.
                                     Studying building materials and consumer products as
                                     sources of indoor air pollution.
                                   • Municipal Waste  Combustion:  Developing means of
                                     minimizing pollutant formation during  combustion, and
                                     determining the effectiveness of various devices in
                                     controlling  air pollution  from municipal  waste  incin-
                                     erators.
                                   • Ozone Non-Attainment:   Developing  strategies,  pro-
                                     cess modifications and improved technologies that will
                                     prevent, or  reduce, the emission  of hydrocarbons,
                                     nitrogen oxides and VOCs.
                                   • Stratospheric  Ozone:   Evaluating the importance of
                                     various chlorofluorocarbons  and  other substances in
                                     depleting the  Earth's  protective ozone layer,  and
                                     .seeking to  identify and recommend  substitutes for
                                     depleting substances that are now in use.
                                   • Global Climate Change:  Evaluating the importance of
                                     various substances (carbon  dioxide, methane, nitrous
                                     oxide) as causes  of global climate change and seeking
                                     innovative solutions to the problem. Also planned is the
                                     development of predictive models and inventories of
                                     emissions that are contributing to global  climate
                                     change.
                                                 Director
         Combustion and
            Indoor Air
                           Engineering
                           Applications
                                                    Air Toxics
                                                     Research
     Combustion
      Research
Indoor Air
 Technology
Development
Technology
Applications
   Acid
Deposition
Air Toxics
 Control
                                                   11

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                                          Areas of Expertise

                                        Telephone*                    Area of Expertise
 Office of the Director
 Frank T. Princiotta, Director

   G. Blair Martin, Deputy Director
   Combustion and Indoor Air
   Division
   Everett L.  Plyler, Director
     Combustion Research Branch
     Robert E. Hall, Chief
     Indoor Air Branch
     W. Gene Tucker. Chief
   Engineering Applications Division
   James H. Abbott, Director
     Technology Development
     Branch
     J. David Mobley, Chief
     Technology Applications
     Branch
     Richard D. Stern, Chief
     Acid Deposition Branch
     Michael A. Maxwell, Chief
   Air Toxics Research Division
   Robert H. Hangebrauck, Director


     Air Toxics Control Branch
     Wade H. Ponder, Chief
     (industrial Processes Branch
     William J.  Rhodes, Chief
2821

7504




2918




2477




2746




3443




2612




2973




3091



4134



2818




2853
Air and energy environmental assessment and control
technology development
Control technology for simultaneous removal of NOX, and
SOX; low NOX burners
Combustion modification control technology; fundamental
studies of municipal and hazardous waste incineration;
     control; radon control; indoor air quality
Combustion modification control technology; fundamental
studies of municipal and hazardous waste incineration;
N2O control


Radon mitigation for houses, schools and other public
buildings; development of building codes to prevent radon
entry; or to simplify mitigation of new structures
Control technology for simultaneous removal of NOX and
SOX; low NOX burners; NOX selective catalytic reduction
LIMB development; low NOX burners; fundamental sorbent
reactivity/kinetics studies; flue gas cleaning technologies;
NOX selective catalytic reduction
LIMB demonstrations (wall-fired and tangentially-fired);
low NOX burner demonstrations; other prototypes and
demonstrations
Acid rain precursor emission inventories and models;
sources and management of global climate change


Ozone non-attainment; characterization of air toxics and
VOC sources; particulate control
Air toxics control; VOC control; particulate control;
improved woodstove designs; municipal waste
combustion control
Ozone non-attainment; Control Technology Center;
stratospheric ozone depletion; accidental releases
*FTS: 629-xxxx; CML: 919-541-xxxx
                                                   12

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      ATMOSPHERIC RESEARCH AND EXPOSURE ASSESSMENT LABORATORY
 Gary J. Foley,
 Acting Director
FTS:          629-2106
CML:      919-541-2106
                     (MD-75)
Research Triangle Park, NC
                         27711
  The Atmospheric Research and Exposure Assessment
Laboratory  (AREAL),  Research  Triangle Park, North
Carolina conducts intramural and extramural research
programs,  through laboratory and field research, in the
chemical, physical, and biological sciences designed to:

• characterize and  quantify  present and future ambient
  air pollutant levels and resultant exposures to humans
  and ecosystems on local, regional, and global scale;

• develop and validate models to predict  changes in air
  pollution  levels  and air  pollutant  exposures  and
  determine the relationships among the factors affected
  by predicted and observed change;

• determine source-to-receptor  relationships relating
  to  ambient  air quality and  air pollutant exposures,
  developing  predictive  models  to be  used  for
  assessments of regulatory alternatives  derived from
  these relationships, directly or indirectly;

• provide support to Program and Regional Offices and
  to  state  and local groups, in the  form of technical
  advice, methods  research  and development, quality
  assurance, field monitoring, instrument  development,
  and modeling  for quantitative  risk assessment  and
  regulatory purposes;

• develop and carry out long-term research in the areas
  of  atmospheric  methods, quality assurance,  bio-
  markers,  spatial statistics, exposure assessment,  and
  modeling research to  solve  cutting edge scientific
  issues relating to EPA's mission;

• collect, organize, manage,  and distribute research data
  on air quality,  human and  ecosystem exposures  and
  trends for Program  and Regional  Offices,  ORD, the
  scientific community, and the public at large.

  The Laboratory is engaged  in the  following  research
and exposure tasks:

• Methods  Development:  Develop and improve moni-
  toring  systems for measuring air pollutants in ambient
  air and stationary  sources.  Implement the ambient air
  monitoring equivalency regulations.

• Quality Assurance: Develop guidance documents  for
  assuring  the quality of air  pollution  measurements;
                     standardize methods and work with NBS in developing
                     primary standards.

                   • Toxics: Develop  methods  for  measuring toxic  air
                     pollutants in ambient  air and  around toxic waste
                     sites;conduct special air monitoring studies to assess
                     the nature and amount of pollution. Assess the sources,
                     sinks, transport, formation, removal, reaction products,
                     and ultimate fate of HAPs and HAPs precursors in the
                     atmosphere.

                   • Acid Deposition:  Assess related  atmospheric  pro-
                     cesses to model  and  to evaluate acid  rain,  acid
                     deposition, and  acid transport and  transformation  over
                     urban and regional scales; materials damage function
                     studies.  Develop methods  and quality  assurance
                     materials  for measuring dry and wet deposition;
                     operate monitoring networks and  serve as the data
                     repository  for  national acid deposition  monitoring
                     program.

                   • Gas and  Particles:  Urban, regional, complex terrain,
                     and source  apportionment air quality model develop-
                     ment, evaluation and validation; materials damage and
                     visibility studies; air quality model documentation.

                   • Mobile Sources: Characterize  the regulated  and
                     unregulated  emissions from motor vehicles; assess the
                     impact of mobile emissions on air quality.

                   • Global Climate  Change: Investigate possible effects of
                     increases  in the atmospheric concentrations of trace
                     gases on the Earth's climate  and stratospheric ozone;
                     relate projected  climate  change to air pollution potential
                     in the lower atmosphere.

                   • Human Exposure  Assessment:  Develop  means  to
                     estimate the frequency distribution  of human exposure
                     to individual  pollutants  including personal exposure
                     monitors,  questionnaires, and protocols which relate
                     exposure  to sources.  Total  Exposure Assessment
                     Monitoring  (TEAM) programs designed to estimate
                     exposure to hazardous materials are being conducted.

                   • Ecological Monitoring Assessment: Conduct studies to
                     determine effects  of  air pollution on ecosystems.
                     Develop  methods and protocols  for  exposure
                     assessment  of  various  sensitive ecosystems  and for
                     status  and trends  monitoring of  nonurban  environ-
                     ments.
                                                   13

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                                              Director
       Chemical
     Processes &
   Characterization
  Methods
 Research &
Development
 Exposure
Assessment
 Research
 Quality
Assurance
Atmospheric
  Sciences
  Modeling
                                        Areas of Expertise

                                      Telephone*                   Area of Expertise
 Office of the Director
 Gary J. Foley, Acting Director
     William E. Wilson

   Program Design and Integration
   Staff
     Mike Barnes
     Steve Bromberg
     Jay Messer
     John Clements

   Chemical Processes and
   Characterization Division
     Jack H. Shreffler
     Basil Dimitriades
     Joseph J. Bufalini
     Robert K. Stevens
     Kenneth T. Knapp
     Frank M. Black

   Methods Research and
   Development Division
     Robert E. Lee
     Don Scott
     Joseph Walling
     Warren Loseke
     Joe Bumgarner
     Robert G. Lewis
     Robert Harless
     Nancy  Wilson
     William McClenny
     James Mulik
                 2601
                 2551
                 2184
                 2919
                 0150
                 2188
                 2194
                 2706
                 2422
                 3156
                 3085
                 3039
                 2454
                 7948
                 7954
                 2173
                 2430
                 3065
                 2248
                 4723
                 3158
                 3067

              (continued)
          Atmospheric studies
          Visibility, aerosol chemistry
         Acid deposition
         Global change issues
         Ecological studies
         Quality assurance
         Atmospheric processes
         Photochemistry, ozone
         Gas kinetics
         Source apportionment
         Stationary sources
         Mobile sources
         Methods development
         Chemometrics
         Chemical analysis
         Inorganics analysis
         Organics analysis
         Methods development
         Dioxin
         Analytical methods development
         Monitoring methods development
         Ion chromatography
*FTS: 629-xxxx; CML: 919-541-xxxx
                                                 14

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                                        Areas of Expertise

                                               (continued)

                                       Telephone*
                           Area of Expertise
  Exposure Assessment Research
  Division
    Gerald G. Akland
    William Nelson
    Dave Holland
    Gary Evans
    Thomas Hartledge
    Barry Martin
    Thomas Lawless

  Quality Assurance Division
    John C. Puzak
    Darryl J. von Lehmden
    Frank McElroy
    Larry J. Purdue
    Michael Beard
    William J. Mitchell
    Raymond C. Rhodes
    Rodney Midgett
    Joe Knoll

  Atmospheric Sciences Modeling
  Division
    Francis A. Schiermeier
    John F. Clarke
    Peter L. Finkelstein
    D. Bruce Turner
    James L. Dicke
    William H. Snyder
    John H. Novak
2346        Exposure assessment
3184        Exposure assessment
3126        Statistics and design
3124        Monitoring design
3008        Air monitoring
4386        Air monitoring
2291        Computer systems
0944        Quality assurance
2415        Quality assurance handbook; traceability protocols
2622        Equivalent methods
2665        Methods evaluation, standardization
2623        Asbestos
2769        Performance audits
2574        Quality assurance statistics, quality control
2196        Source methods
2952        Source methods
4542         Meteorological modeling
3660         Model development
4553         Complex terrain modeling
4564         UNAMAP
5682         Regulatory use of models
1198         Wind tunnel
4545         Data base management
*FTS: 629-xxxx; CML: 919-541-xxxx
                                                  15

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                ENVIRONMENTAL MONITORING SYSTEMS LABORATORY
 Thomas A. Clark,
 Director
FTS:           684-7301
CML:      513-569-7301
Cincinnati, OH 45268
  The Environmental Monitoring Systems  Laboratory -
Cincinnati (EMSL-Cincinnati) has as its primary mission
to conduct  research  in  development, evaluation, and
standardization of chemical and biological methods for
environmental assessments; to conduct  research for
detecting, identifying, and  quantifying microbial patho-
gens found  in environmental media; and to operate the
U.S. Environmental Protection Agency (USEPA) Quality
Assurance (QA) Program for maintaining  the scientific
credibility of the  Agency's  water, wastewater, and  solid
wastes/Superfund/ toxics data bases.
  Developed and standardized methods  are used  to
identify inorganic and  organic  pollutants and to detect
and identify bacteria,  viruses, parasites, and  aquatic
organisms in the environment. Analytical  methods for
effluent compliance  monitoring [304(h)J are  improved,
modified and updated on a  regular basis. These methods
include procedures for inorganic, organic and biological
pollutants.
  Research is conducted  on biotechnological methods for
determining the occurrence,  distribution, transport, and
fate of human pathogenic parasites in the environment.
Methods are developed and evaluated for the detection,
enumeration,  and  identification  of  indicator  and
pathogenic bacteria in environmental media. Methods for
sample handling, transport, and preservation are  also
developed.  Reid  methods  and advanced  state-of-the-
art approaches are developed to be applicable to drinking
water, ambient water, raw and  treated wastewaters,
sediments, sludges, and biological samples.
  The QA  program  involves method  confirmation and
validation studies to establish the precision and bias  of
USEPA's selected analytical  methods, QA manuals and
guidelines,  quality  control  (QC) samples, and  calibration
                    standards  for all  analytes regulated  under water and
                    waste programs.  Performance evaluation  studies and
                    laboratory  certification activities are conducted to evalu-
                    ate and report on  the  competency of analysts and
                    laboratories. A  QA  monitoring  program (biology and
                    chemistry) evaluates the adequacy of promulgated
                    analytical methods and procedures and effluent toxicity
                    tests. Quality assurance  (QA) samples are  provided for
                    ambient/non-point source monitoring programs.
                      The  EMSL-Cincinnati  is currently engaged in  the
                    following research and evaluation tasks:

                    • Industrial  Wastewater:  Validated analytical  test
                      methods for  National  Pollutant Discharge Elimination
                      System  (NPDES) monitoring;  performance evaluation
                      (PE) studies for discharge monitoring reports.

                    • Drinking  Water: Official chemical and  microbiological
                      methods for  meeting  regulatory  monitoring  require-
                      ments of Safe Drinking Water Act (SDWA); certification
                      of laboratories and distribution of QA materials.

                    • Toxics: Evaluation of analytical methods  for key toxic
                      organic  materials  and  preparation of specialized  QA
                      materials.

                    • Solid  Waste:  Evaluation and standardization  of solid
                      waste (SW-846) methods and generic methods for the
                      measurement of  volatile,  and semivolatile  organic
                      compounds;  preparation  and distribution of  QA
                      materials.

                    • Superfund: Development of analytical methods for the
                      measurement of toxic materials in Superfund-type
                      samples and  QA  materials  for evaluation of  contract
                      laboratory program (CLP) laboratories.
                                                   16

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                                              Director
          Microbiology Research
Chemistry Research
              Quality Assurance Research
                 Virology
 Inorganic Chemistry
               Development and Evaluation
                                                                                 JL
               Bacteriology
  Organic Chemistry
                     Aquatic Biology
        Parasitology and Immunology
                                                                                 J.
                                Project Management
                                       Areas of Expertise

                                      Telephone*                   Area of Expertise
Office of the Director
Thomas A. Clark, Director
  Gerald McKee, Deputy
    Director
  Robert Booth
  James Lichtenberg

  Microbiology Research Division
  Alfred Dufour, Director

    Virology Branch
    Robert Safferman

    Bacteriology Branch
    Gerard Stelma

    Parasitology and Immunology
    Branch
    Walter Jakubowski
7301
7303

7364
7306
7218
7334
7384
7385
Methods and quality assurance
Methods and quality assurance

Methods and quality assurance
Standardization and certification
Microbiology


Virology


Bacteriology



Parasitology

(continued)
*FTS: 684-xxxx; CML: 513-569-xxxx
                                                  17

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   Chemistry Research Division
   William Budde, Director

     Organic Chemistry Branch
     Robert Graves.Acting Director

     Inorganic Chemistry Branch
     Larry Lobring, Director

   Quality Assurance Research
   Division
     John Winter, Director

     Development and Evaluation
     Branch
     Harold Clements

     Aquatic Biology Branch
     Cornelius Weber, Acting Director

     Project Management Branch
     Raymond Wesselman
                                       Areas of Expertise

                                              (continued)

                                      Telephone*
                           Area of Expertise
7309        Chemical methods
7315        Organic methods
7372        Inorganic methods
7325        Quality assurance matters
7325        QC/PE samples
8350**       Aquatic biology
7325        Methods standardization
 *FTS: 684-xxxx; CML: 513-569-xxxx
"Newtown, OH, FTS: 778-xxxx; CML: 513-527-xxxx
                                                 18

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                ENVIRONMENTAL MONITORING SYSTEMS LABORATORY
 Robert N. Snelling,
 Acting Director
FTS:          545-2525
CML:      702-798-2525
              P.O. Box 93478
Las Vegas, NV  89193-3478
  The  Environmental Monitoring  Systems Laboratory-
Las Vegas develops methods, systems and strategies for
monitoring the environment with the primary purposes of
assessing the exposure of man and other receptors in the
environment to  polluting substances, characterizing the
status of environmental quality, and identifying the trends
in environmental quality.
  The Laboratory develops and applies field  monitoring
techniques, analytical methods,  and  remote sensing
systems for monitoring  environmental pollutants.  It field
tests,  demonstrates and applies these  systems, and
initiates transfers of operational systems to Agency user
organizations. It provides technical  support  to Agency,
Regional and Program  Offices  in  response to  their
requests for pollutant monitoring, testing and surveillance
assistance.
  The  Laboratory  develops  and  operates  quality
assurance programs for radiation, hazardous wastes, and
toxic/pesticide monitoring. This includes the development
and maintenance of reference standards, preparation of
performance  evaluation materials,  and the conduct  of
performance  audits for EPA as well  as other Federal,
state, and local laboratories.
  Under  a  Memorandum  of Understanding with the
Department of Energy, the Laboratory collects  radio-
logical surveillance  data and performs pathways research
to determine  the actual and potential radiation exposure
to man and  his environment from past and  present
testing of nuclear devices.
  The Laboratory's major programs are:

• Advanced  Analytical Methods: Development and
  evaluation of innovative  techniques  for  sample
  extraction  and analysis  of organic and inorganic
  contaminants  in  complex  environmental matrices.
  Advanced techniques such as Liquid Chromatography,
  Mass  Spectrometry,  Fourier  Transform  Infra-Red
  Spectroscopy,   Gas Chromatography,  Inductively
  Coupled  Plasma  Spectroscopy, and Immunoassay are
  developed and evaluated.

• Advanced Monitoring Methods:  Research directed at
  providing monitoring  methods that are  more reliable,
  more rapid or simpler to use than existing methods.
  Overhead  remote  sensing, aerial  photography,
  multispectral scanner and laser fluorosensing technol-
  ogies,  airborne   laser systems, and geophysical
  techniques  are tools used to detect waste discharges,
  locate waste disposal sites, identify erosion, assess air
  particulate  problems, and  monitor pollutants in soils
  and in ground water.

• Monitoring  Network Design: The Laboratory has long
  been in the forefront of monitoring design - a concept
                      that advocates a multimedia approach to environmental
                      monitoring emphasizing proper  selection of critical
                      receptors,  optimum siting,  and number of samples,
                      through  planning and an  understanding  of  how
                      pollutants  are  transported from  the source to the
                      receptor. Geostatistics play a major role through use of
                      data from a preliminary sampling  to design a sampling
                      network  which  establishes the  optimum distance
                      between  sampling points.

                    • Quality Assurance: In an effort to  support the Agency's
                      attention  to  the quality assurance  aspects  of
                      environmental  sampling  and  analysis, validated
                      analytical test methods  are developed, and standards
                      and reference materials are distributed to laboratories
                      throughout the country.  These laboratories'  per-
                      formance,  along  with the  precision, accuracy, and
                      ruggedness  of the  analytical  protocols  are then
                      evaluated. Quality assurance support and  data audits
                      are provided for the Superfund Contractor Laboratory
                      Program. The Laboratory, in cooperation with the
                      University  of  Nevada-Las Vegas,  has established a
                      modern,  fully-equipped  Quality Assurance Laboratory
                      to support EPA's Superfund Program.

                    • Exposure Assessment:  Human exposure assessment
                      provides  critical  information  required to make risk
                      estimates  for  environmental  pollutants. A  compre-
                      hensive  approach  is required to develop simultaneous
                      information on sources, exposure,  dose,  effect, and
                      control.   Projects  related  to this topic include:
                      examination of consumer products as sources  of
                      pollutants, evaluation/validation of  indoor air models,
                      evaluation of  indoor air sinks,  development of a
                      benzene exposure model, human activity patterns, the
                      dispersal  and half-lives  of  GEMs  (genetically
                      engineered micro-organisms),  chemometrics, and the
                      examination of biomarkers as indicators of exposure.

                    • Radiological Monitoring and Analysis: The Laboratory
                      maintains  extensive  radioanalytical  and field  radio-
                      logical monitoring capability to monitor  environmental
                      radioactivity levels around the nuclear weapons  testing
                      sites in  Nevada and  other parts of  the  country. The
                      group is  available to  assist in  radiation accident
                      emergencies. For example, it was mobilized for the
                      Three Mile Island incident to collect environmental
                      radioactivity  data for  water, air,  soils, dairy  products
                      and other foods,  and to  collect population exposure
                      data in public areas around the facilities.  A whole body
                      counter  is operated at the Laboratory for determining
                      radionuclide body   burdens in  members  of the
                      population. The Laboratory also  serves  as  a radio-
                                                    19

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 analytical quality assurance center for drinking  water
 sample analyses.
 Acid Deposition: The Laboratory is responsible for
 providing logistical and analytical support, standardized
 methods, and comprehensive  quality  assurance
 programs for projects under the acid deposition Aquatic
 Effects Research Program. This activity pertains also to
 the soil characterization surveys  of the Direct/Delayed
 Response Project. The standardized methods include
 both analytical procedures  and field  methods, and
 preparation of post-survey  reports  on evaluation  of
 methods and data quality.
                             Field Screening Methods:  New advances in  portable
                             instrumentation and field test kits are being evaluated
                             and demonstrated  for cost-effective  screening and
                             monitoring of hazardous  waste sites.  Techniques
                             include  portable  gas  chromatographs, ion  mobility
                             spectrometers,  long-path-length FTIR instruments,
                             immunochemical  test  kits  and miniaturized  portable
                             readers,  fiber optic  and  other  chemical sensors,
                             portable x-ray fluorescence units  and mass  spec-
                             trometers, and soil-gas analyzers.
                                                Director
     QA and Methods
      Development
Advanced Monitoring
      Systems
Nuclear Radiation
  Assessment
Exposure Assessment
      Research
        Methods
        Research
           _E
                                   1
Aquatic and Subsurface
      Monitoring
                                   I
      Dose
   Assessment
Ecosystems Monitoring
     Quality Assurance
        Research
    Remote and Air
      Monitoring
                               Environmental
                               Photographic
                            Interpretation Center
      Reid
    Monitoring
                                                             _L
                              Radioanalysis
                                        Areas of Expertise

                                      Telephone*
Office of the Director
Robert N. Snelling, Acting Director
  Pong N. Lem
  Charles H. Nauman
  D. Gene Easterly
  Donald T. Wruble

  Office of Program Management
  and Support
  Richard L. Garnas

  Quality Assurance and Methods
  Development Division
  Ronald K. Mitchum
*FTS: 545-xxxx; CML: 702-798-xxxx
                                            Area of Expertise
                2525        Environmental monitoring
                2522        Program management; environmental engineering
                2258        Exposure assessment
                2108        Quality assurance
                2530        Environmental science
                2564        Environmental chemistry
                2103        Physical organic and analytical chemistry; mass
                            spectrometry

                            (continued)
                                                  20

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                                        Areas of Expertise

                                              (continued)

                                      Telephone*
                           Area of Expertise
   Quality Assurance and Methods
   Development Division (cont'd)

     Methods Research Branch
     Stephen Billets

     Quality Assurance Research
     Branch
     Jimmie D. Petty


   Exposure Assessment
   Research Division
   J. Gareth Pearson
   Llewellyn R. Williams

   Advanced Monitoring Systems
   Division
   Eugene P. Meier

   James G. Payne, Jr.


     Aquatic and Subsurface
     Monitoring Branch
     Joseph J. D'Lugosz

     Remote and Air Monitoring
     Branch
     Thomas H. Mace

     Environmental Photographic
     Interpretation Center
     (Warrenton, VA)
     John H. Montanari

   Nuclear Radiation Assessment
   Division
   Charles F. Costa
   John M. Moore

     Dose Assessment Branch
     Norman R. Sunderland

     Field Monitoring Branch
     Daryl L. Thome


     Radioanalysis Branch
     Chung-King Liu

 *FTS: 545-xxxx; CML: 702-798-xxxx
**FTS: 557-xxxx; CML: 703-349-8970
2232
2383
2203
2138
2237

2237




2598



2262




3110**
2305
2304
2331


2158



2136
Physical analytical chemistry; mass spectrometry
            Organic chemistry; analytical chemistry; trace level
            environmental contaminant analysis
Environmental biology; quality assurance
Biological testing; water quality; quality assurance
Ground-water monitoring; analytical environmental
chemistry
Remote sensing; engineering; radiation safety; program
management
Hydrogeology; ground-water modeling
Remote sensing; geographical information systems
Remote sensing; wetlands environment
Radiation safety
Systems engineering


Data validation; health physics
Gamma spectrometry; mathematical statistics; health
physics
Radiochemistry
                                                 21

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            ROBERT S. KERR ENVIRONMENTAL RESEARCH LABORATORY
 Clinton W. Hall,
 Director
FTS:          743-2224
CML:      405-332-8800
P.O. Box 1198
Ada, OK 74820
   The Robert S. Kerr Environmental Research Labora-
tory (RSKERL) serves as U.S. EPA's center for ground-
water research,  focusing its  efforts on studies of the
transport and fate of contaminants in  the  subsurface,
development of methodologies  for  protection and
restoration of ground-water quality,  and evaluation of the
applicability  and limitations  of using natural soil and
subsurface  processes for the treatment  of  hazardous
wastes.  The Laboratory has a long history of  research
responsibilities related to the use of soils and subsurface
for waste treatment and to the protection of  the soil,
ground water and surface water. These responsibilities
have  included the  development and demonstration of
cost-effective methods for  land  treatment of municipal
wastewaters, animal production  wastes, and petroleum
refining and petrochemical  wastes, as  well  as the
development of technologies for the protection  of
ground-water quality.
   RSKERL  carries put research through in-house
projects and cooperative and interagency agreements
with universities, national laboratories, and other research
centers. RSKERL currently  has over 80  ongoing  or
planned extramural projects at approximately 40 research
institutions in 25 states.
   An examination of the environmental legislation that
relates to ground-water quality protection reveals four
common regulatory or management  requirements:

•  Establishment of  criteria for  location,  design, and
   operation of  waste  disposal activities  to  prevent
   contamination of ground  water  or movement  of
   contaminants to points of withdrawal or discharge.
                    • Assessment  of  the  probable  impact of  existing
                      pollution on ground water at points of withdrawal or
                      discharge.

                    • Development of  remediation technologies which are
                      effective  in  protecting  and  restoring  ground-water
                      quality without being unnecessarily complex or costly,
                      and without unduly restricting other land use activities.

                    • Regulation  of the production, use, and/or disposal of
                      specific chemicals  possessing an unacceptably high
                      potential for  contaminating ground water  when
                      released to the subsurface.

                      Major research efforts at RSKERL are concentrated in
                    the following major program areas:

                    • Drinking  Water:  Determination of  the  fate, transport
                      and transformation rates and mechanisms of pollutants
                      in the subsurface  environment for the protection of
                      ground water  from pollution by municipal, industrial
                      and agricultural activities.

                    • Hazardous Wastes: Determination of the processes
                      used in characterizing the subsurface and prediction of
                      the effects  of pollutants thereon in order to define the
                      capabilities and  limitations  of natural  processes to
                      egrade and attenuate wastes.

                    • Superfund:  Development and  maintenance  of  a
                      Superfund subsurface remediation support program to
                      provide technical support to EPA/State decision-
                      makers responsible for implementation of  the
                      Superfund  Amendments  and Reauthorization Act of
                      1986.
                                                 Director
                          1
          Processes and Systems Research
                          I
                        Extramural Activities and Assistance
                 Subsurface Processes
                          Extramural Activities and Evaluations
                  Subsurface Systems
                                                                           I
                              Applications and Assistance
                                                   22

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                                         Areas of Expertise

                                       Telephone*
                            Area of Expertise
Process and Systems Division
Carl G. Enfield

    Subsurface Processes Branch
    William J. Ounlap, Chief
      Don Clark
      Roger Cosby
      Steve Hutchins
      Don Kampbell
      Dennis Miller
      Guy Sewell
      Garmon Smith
      Robert Smith
      John Wilson

    Subsurface Systems Branch
    Vacant, Chief
      Frank Beck
      Dermont Bouchard
      Jong Cho
      Wayne Downs
      Fred Pfeffer
      Susan Mravik
      Robert Puts
      Steve Schmelling
      Thomas Short
      Dave Walters
      James Weaver
      Candida West
      Lynn Wood

 Extramural Activities and
 Assistance Division
 H. George Keeler, Director

     Extramural Activities and
     Evaluations Branch
     James F. McNabb, Chief
      Jerry N. Jones
      R. Douglas Kreis

     Applications and Assistance
     Branch
     M. Richard Scalf, Chief
      Bert Bledsoe
      Dom DiGiulio
      Don  Draper
      Scott Huling
      Lowell Leach
      John Matthews
      Randall Ross
      Jerry Thornhill
      Joe Williams
2210         Contaminant transport modeling
2314         Biochemistry
2311         Inorganic analytical chemistry
2320         Organic analytical chemistry
2327         Subsurface biotransformations
2358         Soil chemistry; vapor transport
2263         Immiscible flow, vapor transport
2232         Subsurface biotransformations
2316         Organic analytical chemistry
2248         Biological analyses
2259         Subsurface biorestoration
2246         Soil science
2321         Subsurface abiotic processes
2271         Contaminant transport modeling; vapor transport
2272         Contaminant transport modeling; biotransformations
2305         Analytical chemistry
2434         Soil science
2262         Geochemistry
2315         Contaminant transport modeling; fractured
2234         Contaminant transport modeling; unsaturated
2261         Soils; modeling
2420         Contaminant transport modeling; multiphase
2257         Subsurface abiotic processes
2420         Subsurface abiotic processes
2212         Land treatment
2416         Microbiology
2251         Analytical chemistry; aquifer restoration
2303         Ecological effects
2308        Monitoring
2324        Analytical chemistry; metals transport
2271         Hydrology, modeling, contaminant transport
2202        Hydrogeology; underground injection (UIC)
2313        Land treatment; RCRA; modeling
2333        Ground-water monitoring; UIC; land treatment
2233        Hazardous wastes biological processes
2313        Hydrogeology; modeling
2310        Hydrogeology; underground injection
2246        Soil science; modeling
*FTS: 743-xxxx; CML: 405-332-8800 (ask for extension)
                                                   23

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                        ENVIRONMENTAL RESEARCH LABORATORY
 Rosemarie C. Russo,
 Director
      FTS:          250-3134
      CML:      404-546-3134
                                  College Station Road
                              Athens,  GA  30613-7799
  The Environmental Research  Laboratory at Athens
conducts and manages fundamental and applied research
to predict  and assess  the  human  and environmental
exposures  and risks associated with conventional and
toxic pollutants in  water and soil. The research focus is
predictive ecological science.
  This research identifies and characterizes the  natural
biological  and  chemical processes  that  affect the
environmental  fate and  effects  of specific  toxic
substances, such as pesticides or metals. The results are
applied  in state-of-the-art  mathematical  models  for
assessing  and managing environmental pollution prob-
lems.
  EPA's Center for Exposure  Assessment Modeling
(CEAM), an internationally  known center of modeling
expertise located  at the Athens Lab, provides models,
training,  and  support  in  exposure  evaluation and
ecological  risk assessment. CEAM assists the Agency
and  States in  environmental  risk-based decisions
concerning the protection of surface  water, soil, ground-
water and air.
  Lab-developed  data  and assessment  techniques
support  EPA's major programs.  The  Athens research is
concentrated in the following areas:

• Predictive Pollutant Fate:  Identify chemical processes
  that transport or  transform  organics and inorganics
  (especially metals) in soil,  sediment,  and  water;
  establish the  kinetics of microbial degradation  of
  hazardous chemicals in  the environment;  develop
  mathematical models (with appropriate expert  systems)
  to  predict environmental fate and effects of chemicals
  and to describe chemical  and  biological processes for
  assessing human and  ecological exposure and risk;
  develop  structure-reactivity relationships  and  prop-
  erty-reactivity correlations for predicting  hydrolysis,
  photolysis, and other  reactivity parameters vital  to
  pollutant fate  modeling; identify transformation  mech-
  anisms and  products  for  environmentally  important
                           chemicals;  identify  problem chemicals  and  source
                           constituents through multispectral techniques; describe
                           and predict the multimedia transport of pollutants; and
                           establish methodologies for estimating uncertainty in
                           model predictions.

                          • Predictive Exposure Assessment: Provide  accurate
                           data,  methods, and models for predicting exposures
                           and  reconstructing  past  exposures to pollutants
                           affecting aquatic and terrestrial ecosystems;  develop
                           and validate process-oriented models that predict the
                           dynamics of  the  bioaccumulation  and internal distri-
                           bution in fish and other aquatic organisms of  organic
                           chemicals and metals.

                          • Predictive Ecological  Risk Assessment and Eco-
                           resource Management: Develop multi-level  (from
                           species-population through landscape-regional) risk
                           assessment framework, methodology, and  decision
                           support system  for aquatic  and terrestrial envi-
                           ronments;  develop  quantitative uncertainty  analysis
                           methods for  assessment and reduction of ecological
                           risk factors; develop framework for analyzing regional,
                           landscape, and  ecosystem  monitoring data; test
                           methods to identify impacts of industrial society on the
                           ecosphere.

                          • Technology Transfer and Technical  Support:  Provide
                           models, training,  and support in exposure evaluation
                           and ecological risk-assessment through EPA's Center
                           for Exposure Assessment  Modeling (CEAM), an
                           internationally  known center of  modeling  expertise
                           located  at  the  Athens  Lab;  assist the Agency and
                           States  in environmental risk-based  decisions  con-
                           cerning  the protection of water, soil, ground water and
                           air (through,  for  example,  the Agency's Technical
                           Support Center for Ecological  Risk Assessment);
                           provide  database  of physical, chemical and  microbial
                           rate  and equilibrium  constants  for mathematical
                           modeling.
                                              Director
       Chemistry
Biology
Measurements
                                                                         1
Assessment
 Center for
 Exposure
Assessment
 Modeling
                                                   24

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                                         Areas of Expertise
Office of the Director
Rosemarie C. Russo, Director
  Robert R. Swank, Jr.
  Chemistry Branch
  Arthur W. Garrison
    Leo V. Azarraga
    George W. Bailey
    Chad T. Jafvert
    Samuel W. Karickhoff
    Nicholas T. Loux
    Eric J. Weber
    N. Lee Wolfe
    Richard G. Zepp

  Biology Branch
  John E. Rogers

    M. Craig Barber
    George L. Baughman
    Donald L.  Brockway
    Lawrence  A. Burns
    Ray R. Lassiter
    David L. Lewis
    Susan A. Moore
    Luis A.Suarez
    William W. Sutton

  Measurements Branch
  William T. Donaldson
    Timothy W. Collette
    J. Jackson Ellington
    Heinz P. Kolig
    John M. McGuire
    William C. Steen

  Assessment Branch
  Lee A. Mulkey

    Robert B. Ambrose, Jr.
    Thomas O. Barnwell, Jr.

    David S. Brown
    Robert F. Carsel
    Fred K. Fong
    Steve C. McCutcheon
    Charles N. Smith

  Regional/State Contact
  Robert C. Ryans
Telephone*
    3134
    3128
    3145
    3453
    3307
    3186
    3149
    3174
    3198
    3429
    3428
    3103

    3147
    3103
    3422
    3511
    3208
    3358
    3469
    2301
    3422
    3183
    3525
    3197
    3770
    3185
    3776
    3546

    3130
    3210

    3310
    3476
    3330
    3301
    3175
    3306
                                                                        Area of Expertise
Ammonia/nitrite toxicity to aquatic organisms
Multimedia models; industrial sources; control
technology
Organic chemical analysis
Molecular spectroscopy; metal-humic interactions
Metal sorption; soil chemistry
Organic sorption process
Structure-activity relationships (chemical)
Inorganic analysis; metal adsorption/speciation
Fate of organic pollutants
Hydrolysis/redox reactions in water
Environmental photochemistry; global climate change


Microbial kinetics; biochemistry; ecology;
bioremediation
Ecologyical risk assessment
Dye chemistry
Aquatic biology; fish toxicology
Exposure-effects modeling; ecology
Exposure-effects modeling; ecology
Microbial biotransformation processes
Structure-activity relationships (biological)
Pharmacokinetics of biological systems
Hazard assessment
Multispectral analysis; transformation rate constants
Molecular spectroscopy; organic ID
Chemical kinetic constant measurement
Fate constant database; reliability evaluation
Mass spectrometry; organic ID
Microbial kinetic constant measurement
Landfill permitting/site selection; hazardous waste
management
Exposure and risk assessment modeling
Water quality modeling; decision support/expert
systems
Metals speciation; terrestrial exposure
Pesticide and groundwater leachate modeling
Numerical analysis, mass transport phenomena
Sediment transport; hydrodynamics; sorption modeling
Pesticide dynamics; field sampling methods
•FTS: 250-xxxx; CML: 404-546-xxxx
                                                    25

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                        ENVIRONMENTAL RESEARCH LABORATORY
 Thomas A. Murphy,
 Director
FTS:           420-4601
CML:     503-757-4601
    200 SW 35th Street
   Corvallis, OR 97333
  The  Corvallis  Laboratory conducts  research  and
assessment on the effects of pollutants and other human
stresses on inland ecological systems that include: plant
and  wildlife populations;  soils and  other microbial
systems; forests, grasslands and agricultural systems;
wetlands; watersheds;  and regional  landscapes. It  also
develops and evaluates methods for mitigating effects on
and restoring inland ecological systems. The Laboratory
provides  the Agency's primary scientific  expertise  in
terrestrial ecotoxicology and terrestrial, watershed  and
regional ecology. Research is conducted in five major
areas:

• Air Pollution Effects: Assess the effects of atmospheric
  pollutants including acidic deposition on forests, crops,
  watersheds,  and  surface  waters.  Determine  the
  ecological  effects of pollutant-induced environmental
  changes,  such  as  changes in climate and increased
  solar UV-B radiation.

• Toxic Effects: Develop  and  test methods to  assess
  ecological  effects and food chain  contamination from
  toxic chemicals  in terrestrial environments including
  wildlife, vegetation and soils.

• Wetlands  and Lakes: Develop and  test methods  to
  assess the ecological impact of human modification  of
  wetlands and lakes,  and  criteria and  techniques for
  their functional restoration.

• Genetically Engineered  Organisms: Develop and test
  methods to assess ecological effects from introduction
                      into the terrestrial environment  of  novel biological
                      organisms, such as those produced  by genetic  engi-
                      neering.

                    • Hazardous  Wastes:  Develop and test  methods to
                      assess  the  ecological hazards  from contaminated
                      areas, such as hazardous waste sites.

                    • Multimedia: Define and characterize ecological systems
                      and measures by which their "health" can be directly
                      determined,  especially  as  affected  by  multiple
                      environmental stresses.

                      The following specific activities are currently underway:

                      • effects of acidic deposition on surface waters and
                        forests
                      • effects of tropospheric ozone on crops and forests
                      • effects of global climate change and  stratospheric
                        ozone depletion on ecological systems
                      • effects of toxic chemicals on wildlife and plants
                      • effects of  genetically  engineered organisms  and
                        microbial pest control agents on terrestrial ecological
                        systems
                      • hazardous waste site ecological impact evaluation
                      • evaluation of cumulative wetland loss
                      • mitigation of wetland loss
                      • uptake, movement  and metabolism of  chemicals in
                        plants
                      • regional analysis of ecosystem conditions and trends
                                                Director
               Ecotoxicology
              Terrestrial
Watershed
Wildlife

Team

                                               Ozone Team
               Plant Team
                                            Aquatic Team
                                               Forest Team


Microbiology Team
                                          Watershed Team
                                               Global Team
                                           Wetlands Team
                                                   26

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                                          Areas of  Expertise

                                         Telephone*
                             Area of Expertise
 Terrestrial Branch
 Roger Blair
   Christian P. Andersen
   Peter A. Beedlow
   William E.  Hogsett, III
   Robert T. Lackey
   Donald L. Phillips
   David T. Tingey
   James A. Weber

 Watershed Branch
 M. Robbins Church
   Dixon H. Landers
   D. Phillip Larsen
   Jeffry Lee
   Daniel H. McKenzie
   James M, Omernik
   Spencer A. Peterson
   Eric P. Preston
   Richard R.  Sumner
   Parker J. Wigington

 Ecotoxicology  Branch
 John L. Armstrong
   Richard S.  Bennett
   Clarence A. Callahan
   Anne Fairbrotner
   Charles W. Hendricks
   Harold V. Kibby
   Lawrence Kaputska
   Bruce Lighthart
   J. Craig McFarlane
   Alan V. Nebeker
   Paul T. Rygiewicz
   Gerald S. Schuytema
   Ramon J. Seidler
   Mostafa A.  Shirazi
   Bill A. Williams
4662         Forest ecology
4605         Air pollution effects on vegetation
4791         Global climate change; landscape ecology
4632         Air pollution effects on vegetation
4634         Acid rain effects; aquatic/terrestrial ecology
4355         Ecology
4621         Air pollution effects on vegetation
4503         Air pollution effects on vegetation


4666**        Limnology
4695         Limnology
4666"        Lake/stream ecology
4666"        Ecology
4666"        Ecological modeling
4666"        Geography/cartography
4605         Limnology/lake restoration
4666"        Wetlands ecology
4666"        Wetlands ecology
4640         Hydrology


4760         Molecular genetics
4582         Wildlife ecology/toxicology
4764         Soil invertebrate ecology
4716         Wildlife ecology/toxicology
4640         Microbiology
4625         Ecology
4606         Plant ecology
4350         Microbiology
4670         Plant physiology
4875         Aquatic toxicology
4833         Plant ecology
4764         Invertebrate taxonomy/toxicology
4661         Microbial ecology/biotechnology
4666"        Systems ecology
4679         Wildlife physiology/toxicology
 *FTS: 420-xxxx; CML: 503-757-xxxx
"CML503-753-6221
                                                    27

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                         ENVIRONMENTAL RESEARCH LABORATORY
 Gilman D. Veith,
 Director
FTS:           780-5550
CML:     218-720-5550
6201 Congdon Boulevard
        Duluth,  MN 55804
  The  Environmental  Research  Laboratory  at Duluth
(ERL-D) conducts research to advance our fundamental
understanding of aquatic toxicology and  freshwater
ecology. Its mission is to develop a scientific basis  for
EPA to create environmental policies concerning the use
of freshwater resources.  To  accomplish this, ERL-D
conducts  the  research,  development, and technical
assistance programs described below.
  Researchers are studying complex  effluents  and are
developing cost-effective  methods  for managing  their
toxicity in wastewaters.  An  ongoing  project is the
development of numerical water  quality criteria  for
industrial chemicals  to protect aquatic life and  its  uses.
ERL-D scientists also develop  sediment  criteria  for
chemicals  which  pose long-term  contamination
problems and describe the fate and effects of pollutants
in waters of the Great Lakes.
  Pesticide  scientists conduct research   with  both
biological and chemical insecticides. The biological agent
research is developing  tests that will assess the virulence,
survival and distribution of these unique forms in natural
and laboratory systems. Field studies are conducted to
verify earlier  results from laboratory  studies. Methods
developed in both research areas are being incorporated
into the Federal pesticide registration process.
  Toxic substances  research  specializes in developing
methodology for conducting aquatic toxicity tests and in
predictive  aquatic toxicology. The data base produced is
being modeled using  computers so that predictions of
toxicity can be made  from physical/chemical properties
and chemical structure. Scientists are also developing
procedures to define  the mode of  toxic action and
understand the  metabolism of  chemicals.  Studies to
determine the ecological  significance  and adequacy of
existing laboratory-derived toxicity testing methods  for
protecting aquatic life are being conducted.
  Other researchers  are investigating  a  series  of
industrial  chemicals  to   determine  how  fish  absorb,
distribute,  metabolize,  and excrete chemicals. ERL-D is
participating in a national study that determines the levels
of dioxin  in fish,  water,  and  sediment samples  from
across the country. In addition to analyzing field samples,
                    ERL-D is conducting laboratory studies on  the bio-
                    availability of dioxin.
                      ERL-Duluth research is  concentrated in the  following
                    areas of development, evaluation, and surveillance:

                    • Develop  a sound  chemical, physical,  and  biological
                      understanding  to determine  concentrations  of
                      pesticides, toxic substances  and hazardous wastes
                      non-harmful to freshwater aquatic life; establish a data
                      base for this knowledge; share this expertise and data
                      resource with EPA  program offices, other agencies and
                      scientists, and community leaders.

                    • Develop,  refine, and improve cost-effective aquatic
                      laboratory tests for determining the adverse effects of
                      single  or  multi-contaminant pollutants associated with
                      toxic substances,  pesticides,  hazardous wastes, and
                      whole effluents.

                    • Develop  common  denominators, quantitative  struc-
                      ture-activity relationships, toxicity wasteload allocation
                      methods,  and models that can be used to  predict or
                      assess the impact  of chemical and physical pollutants
                      on  aquatic and aquatic-related organisms.

                    • Evaluate  the ability of  laboratory test  methods and
                      models to predict the fate and effects of contaminants
                      under  field conditions  through  use  of ecological
                      studies.

                    • Develop  criteria for individual physical and  chemical
                      contaminants and complex mixtures for the  protection
                      of  aquatic organisms  and consumers of  aquatic
                      organisms; conduct related site-specific studies  to
                      support and assess agency use of the criteria.

                    • Maintain  exploratory surveillance  for new and  unre-
                      cognized types and  quantities  of xenobiotics  in
                      components  of aquatic and aquatic-related  eco-
                      systems;  develop analytical methods required for this
                      exploratory surveillance.
                                                  Director
, 	 I 	 , I
Toxic
Substances
Research

Pesticides
Research



Hazardous
Waste
Research

I
Water Quality
Research

I
Large Lakes
Research

I
Monticello
Ecological
Research
                                                    28

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                                        Areas of Expertise

                                       Telephone*
                             Area of Expertise
Office of the Director
Gitman D. Veith, Director

  Nelson A. Thomas

  Donald I. Mount

  Philip M. Cook

  Robert A. Drummond

  Water Quality Resarch Branch
  Anthony R.  Carlson

    William Sanville
    Russell J. Erickson
    Robert L. Spehar
    John Arthur
    Charles E. Stephan
    John 3. Eaton

  Pesticides Research Branch
  Richard E. Siefert
    Richard L. Anderson

    Alfred W. Jarvinen

  Hazardous Waste Research
  Branch
  Douglas W. Kuehl

    James McKim
5550         Toxicity data bases; structure activity; predictive
             toxicology
5702         National programs; complex effluents; technology
             transfer
5528         Whole effluent toxicity; Ceriodaphnia testing; toxicity
             reduction
5553         Bioavailability; particles bioassays; suspended solids;
             asbestos-fiber data
5733         Scientific  outreach; behavioral toxicology


5523         Site-specific water quality; toxicity testing-field
             response sediment criteria
5723         Wetlands; ecological effects
5534         Complexing agents; metals; ammonia
5564         Chronic bioassays; test methods development
5565         Watersheds; ecological effects
5510         Water quality  criteria documents
5557         Acid rain - biological


5552         Pesticide bioassays; fish and fish food taxonomy
5616         Invertebrates; toxicity testing chemical/microbial
             pesticides
5561         Pesticide bioassays
5558         Environmental chemistry; organics in tissue and water;
             LC/MS systems
5567         Dose-response; comparative toxicology;
             pharmacodynamics
  Toxic Substances Research
  Branch
  Steven J. Broderius
    Steven Bradbury
    Rodney Johnson
    J. D. Yount

  Large Lakes Research Station
  William L. Richardson

    Russet Kreis
    Doug Endicott

  Monticello Ecological Research
  Station
  Steven F. Hedtke
5574         Toxic mechanisms; mixture toxicity
5527         Toxicokinetics; mechanisms of toxic action; metabolism
5731         Carcinogenicity; histotechnology - fish
5752         Laboratory ecosystems; risk assessments
2245**       Great Lakes; ecosystem modeling waste load
             allocation; eutrophication
2245™       Ecosystem-chemical effects; effects assessment
2245**       Modeling theory; ecosystem modeling
 2492***      Outdoor channels; field applicability; microcosms;
             wetlands
   *FTS: 780-xxxx; CML: 218-720-xxxx
   **CML: 313-675-xxx
   ""FTS: 777-xxxx
                                                   29

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                        ENVIRONMENTAL RESEARCH LABORATORY
 Raymond G. Wilhour,
 Acting Director
FTS:          686-9011
CML:     904-932-5311
          Sabine Island
Gulf Breeze, FL 32561
  The Environmental Research Laboratory at Gulf Breeze
develops and analyzes scientific data on the  impact of
hazardous materials released  in marine and  estuarine
environments. Scientific investigations primarily involve
chemical compounds and biological products  regulated
by EPA's Office of Pesticides and Toxic Substances, the
Office of Water Programs, and  the Office of  Solid Waste
and Emergency Response.
  Laboratory  scientists  develop  and  evaluate  test
systems to (1)  evaluate  and  define  mechanisms  that
affect biodegradation and accumulation  of  toxicants in
aquatic food webs; (2) define  procedures and evaluate
protocols for biological treatment of hazardous wastes; (3)
determine  effects  of carcinogens, mutagens,  and
teratogens in aquatic species; (4) develop principles and
applications of ecotoxicology, including measurement and
prediction of fate and effect of chemicals and synthetics
on estuarine species and environments. Methods also are
under development to apply laboratory observations to
field situations  and to evaluate potential risks  from the
release  of  biotechnological  products in  the  marine
environment.
  Information  from  laboratory  research  is   used to
establish guidelines, standards,  and  strategies for
management of hazardous materials in the  near-coastal
marine environment, to define  and  predict its ecological
health, and describe cause(s)  of aberrant conditions or
changes in its ecological status.
  Research at  Gulf Breeze  is organized into these
branches:

• Ecotoxicology Branch: (1) develop and test methods to
  determine acute and chronic  effects (including
  bioaccumulation)  of contaminants  on estuarine  and
  marine plants and  animals; (2)  develop  culture
  techniques for test organisms; (3) develop and verify
  biological  indicators for  laboratory  and field
  investigations  to  detect contaminant exposure  and
  effects at the population, community, and ecosystem
                      levels;  (4) develop  and validate model systems to
                      predict resiliency (impact and recovery) of populations,
                      communities, and ecosystems exposed to contami-
                      nants;  (5)  determine  effects of  contaminants  on
                      ecological  structure and  function and  delineate
                      endpoints that describe structure  and  function;  (6)
                      conduct field studies (i.e.,  verification  of  laboratory
                      methodologies and  results) to predict  environmental
                      response to pesticide use in potential impact areas; (7)
                      develop and improve methods to analyze seawater and
                      marine  matrices (plants, animals, sediments)  for
                      contaminants prior to laboratory and field studies; (8)
                      assess risks of chemicals and other contaminants by
                      integration and interpretation  of  biological,  chemical,
                      and physical data in aquatic environments.

                      Microbial Ecology  and  Biotechnology Branch:  (1)
                      characterize rates,  mechanisms, and  metabolic
                      limitations of biodegradation processes carried out by
                      microbial communities and  assess their  ability to
                      transform organic chemicals  and heavy metals  into
                      nontoxic  products; (2) evaluate potential risks assoc-
                      iated with release of genetically engineered micro-
                      organisms (biotechnology) in the  environment;  (3)
                      define quantitatively environmental factors that control
                      biodegradation and describe the potential manipulation
                      of ecosystems and microbial communities to enhance
                      extent and  rate of biodegradation of specified single
                      compounds and complex mixtures.

                      Pathobiology Branch: (1) develop methods to evaluate
                      risks of  biological pesticidal agents  to  nontarget,
                      aquatic  species  and systems, including natural  and
                      genetically  altered microbial pest control agents  and
                      biochemical control agents; (2) develop aquatic species
                      as  indicators  and  models  to assess hazards of
                      genotoxic agents to aquatic animals and humans; and
                      (3)  elucidate mechanisms  in toxicants that impair
                      development or cause disease in aquatic species.
                                                 Director
                    _L
               Ecotoxicology
          Microbial Ecology &
             Biotechnology
                                                   1
 Pathobiology
                                                   30

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                                         Areas of Expertise

                                        Telephone*
                Area of Expertise
Office of the Director
Raymond G. Wilhour, Acting Director
  John A. Couch
  Andrew J. McErlean
  Frank G.  Wilkes

  Ecotoxicology Branch
  Foster L. Mayer
    James R. Clark
    Geraldine Cripe
    William P. Davis
    David Flemer
    Leroy Folmar
    Larry Goodman
    Douglas P. Middaugh
    James C. Moore
    Rodney Parrish
    Gerald E. Walsh

  Microbial Ecology and
  Biotechnology Branch
  Parmely  H. Pritchard
    Tamar Barkay
    Peter Chapman
    Stephen M. Cuskey
    Fred J. Genthner
    Leonard H. Mueller
    Richard W. Eaton

  Pathobiology Branch
  John Fournie
    Lee Courtney
    Charles L. McKenney
    Wilhelm Peter Schoor
Plant pathology/terrestrial ecology
Pathology/toxic mechanisms
Pollution ecology
Aquatic ecology
Toxicology/aquatic ecology
Aquatic ecology/toxicology
Crustacean culture/toxicology
Ichthyology/marine ecology
Aquatic ecology
Physiology/toxicology
Aquatic toxicology
Fish culture/toxicology
Analytical chemistry
Toxicology/aquatic ecology
Marine toxicology
Microbial ecology/biodegradation
Microbial ecology
Biochemistry/biodegradation
Microbial genetics
Microbial ecology
Analytical chemistry
Microbial genetics/biodegradation


Pathology
Electron microscopy
Physiology
Biochemistry
*FTS: 686-9011; CML: 904-932-5311 (for all contacts)
                                                    31

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                        ENVIRONMENTAL RESEARCH LABORATORY
 Norbert A. Jaworski,
 Director
FTS:           838-6001
CML:     401-789-3001
      South Ferry Road
Narragansett, Rl 02882
  The Environmental  Research  Laboratory  at  Narra-
gansett, Rhode  Island,  along with its  Pacific Coast
Laboratory in Newport, Oregon, is the Agency's National
Marine Environmental Quality Research Laboratory. The
Laboratory's research supports  primarily the EPA Office
of Water, Office of Emergency and Remedial Response,
and the Office of Air and Radiation. The  Laboratory's
efforts respond to legislative  requirements of  the Clean
Water Act, the  Marine  Protection, Research  and
Sanctuaries Act, and the Superfund Reauthorization Act.
Major emphasis is placed on providing the scientific base
for  environmental criteria, waste  disposal  practices,
environmental analysis/impacts, assessments, and marine
and estuarine risk assessments for regulatory activities of
responsible offices.
  The Laboratory's principal themes are: Environmental
Chemistry, Transport and Fate, Biological and  Ecological
Effects,  Biomonitoring, Ecological Risk Assessment, and
Multidisciplinary Information Management.
  The Laboratory is responsible for the following research
program areas:  (1)  marine and estuarine  disposal,
discharge of (and  recovery from) complex wastes,
dredged material, and  other wastes;  (2) water  use
designation and  derivation of  criteria  for  marine  and
estuarine water and sediment; (3) environmental assess-
ment of ocean  disposal and  discharges of waste and
wastewaters;  (4)  technical and  research  support for
evaluating remediation  options  at  proposed  and
designated  marine/estuarine  superfund sites; and (5)
research on the  effects of global warming and the
depletion of stratospheric ozone on marine systems.
  Technical assistance, technology transfer, and investi-
gations  of an emergency  nature,  e.g.,  spills of toxic
                    materials, also are  provided  to  aid EPA offices  in
                    evaluating environmental  threats  posed by  toxicants,
                    other  pollutants,  and physical  modifications along  the
                    Mid- and  North  Atlantic Coast, the  West Coast, and
                    other geographic locations. Technical assistance is also
                    provided to other federal agencies, states, municipalities,
                    and industry.
                      The current program areas,  expertise  and special
                    facilities at Narragansett are discussed below to provide
                    an overview of the laboratory's current activities:

                    • Programmatic Areas: Estuarine  and marine disposal
                      and discharge of complex  wastes, dredged materials,
                      and other  wastes;  water use designation and quality
                      criteria for estuarine and marine water and sediment;
                      environmental assessment  of ocean discharges; sup-
                      port of the National  Estuary  Program.

                    • Expertise:  Toxicological testing  using marine  orga-
                      nisms;  ecosystems analysis; physiological responses
                      of organisms to contaminants; organic and  inorganic
                      analytical chemistry, biomonitoring; national  and site-
                      specific water  quality criteria; physical transport and
                      water  quality modeling;  contaminant  bioavailability;
                      bioaccumulation; and ecological risk assessment.

                    • Special Facilities: Wet lab facilities available  for
                      biological testing using  flowing  seawater; capable of
                      tempering  of influent water, isolation of hazardous
                      testing, and treatment of effluent  water; maintains Field
                      Station at the Hatfield Marine Science Center, Newport,
                      OR.; control pH and dissolved oxygen and temperature.
                                                  Director
                                            ERL-Narragansett, Rl
                                                    and
                                                Newport, OR
I
Exposure
(Narragansett, Rl)



Effects
(Narragansett, Rl)

I
Ecosystems
(Narragansett, Rl)



Pacific Ecosystems
(Newport, OR)
                                                   32

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                                         Areas of Expertise
S. Baksi
D. J. Baumgartner
A. D. Beck
G. A. Chapman
E. H. Dettmann
J. H. Gentile
G. R. Gardner
R. J. Haebler
D. J. Hansen

E. H. Jackim
N. A. Jaworski
J. L. Lake
R. W. Latimer
H. Lee II
A. R. Malcolm
D. C. Miller
W. G. Nelson
J. F. Paul
 K. T. Perez
 G. G. Pesch
 D. K. Phelps
 J. C. Prager
 R. J. Pruell
 N. I. Rubinstein
 S. C. Schimmel
 R. L. Steele
 R. C. Swartz

 H. A. Walker

 D. R. Young
 G. E. Zaroogian
Telephone*                     Area of Expertise

                 Biomarkers; physiological response
                 Ocean disposal; contaminant transport and fate
                 National Estuary Program; ecological risk assessment
                 Aquatic toxicology and water quality criteria
                 Exposure assessment; water quality modeling
                 Ecological toxicity
                 Histological responses
                 Marine mammals; histological responses
                 Water quality control; water and sediment criteria;
                 toxicity testing; sludge effects
                 Biomarkers
                 Water quality modeling
                 Environmental chemistry; bioaccumulation
                 Environmental engineering
                 Bioaccumulation processes; bioavailability
                 Physiological responses; biomarkers
                 Dissolved oxygen; environmental criteria
                 Hazard assessment and biological effects
                 Sediment transport; remote sensing; ocean disposal;
                 exposure assessment; hazard assessment; waste load
                 allocation; risk characterization
                 Marine microcosms; surface microlayers
                 Genetic toxicology; biological oceanography
                 Biomonitoring
                 Eutrophication
                 Environmental and analytical chemistry
                 Dredging;  bioaccumulation
                 Complex effluents; toxicity testing
                 Biological  effects; algae
                 Benthic toxicity testing; community analysis;  sediment
                 criteria
                 Ocean disposal; dumpsite designation; wasteload
                 allocation; nutrient cycling
                 Environmental chemistry; biomagnification
                 Biochemistry
*FTS: 838-6000; CML: 401-782-3000 (for all contacts)
                                                     33

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                         HEALTH EFFECTS RESEARCH LABORATORY
 Lawrence W. Reiter,
 Director
FTS:           629-2281
CML:     919-541-2281
                     (MD-51)
Research Triangle Park, NC
                         27711
  The Health Effects Research Laboratory formulates and
implements  a  comprehensive  research  program to
investigate human health effects resulting from exposure
to environmental pollutants. Staffed by health scientists
with recognized expertise  in a  variety of  disciplines -
environmental  medicine,  physiology,  epidemiology,
statistics,  biochemistry,  neurotoxicology,  reproductive
toxicology, teratology, and perinatal toxicology, geriatric
toxicology,  pulmonary toxicology, immunotoxicology,
cardiovascular  toxicology,  genotoxicology,  hepato-
toxicology and  other target organ toxicology,  and
microbiology - HERL is the focal point for  toxicologies!,
clinical and epidemiological research within the Agency.
HERL also establishes cooperative research projects with
academic  and other scientific institutions  which facilitate
the Agency efforts  in understanding  health  effects of
environmental  pollutants. This research  program
develops  and  applies state-of-the-science  biological
assays,  predictive  models and  extrapolation methods
which serve  as the basis  for the Agency's  health risk
assessments.
  The long-term  basic  components  of the  HERL
research program are designed  to anticipate the future
needs of  the Agency and enable the Office of  Health
Research  to  provide direction on environmental  health
issues. In  recognition of legislative and regulatory needs,
HERL conducts an effective mission-related research
program to enable the Agency  to  better  determine
toxicological hazard, define dose-response  relationships,
and estimate human exposure characteristics in support
of the Agency's overall  risk  assessment and guideline
development. The  breadth of expertise of  the  HERL
researchers is also marshalled in the event of Program
Office requests and  environmental  emergencies to
address immediate public health issues. HERL evaluates
and communicates  its research results and provides
advice on  their use to offices for criteria development and
scientific  assessments  in support of  regulatory  and
standard setting activities.
  HERL  advises  the  Agency on the  scientific
interpretation and integration  of  information used  in the
determination of human health  risks. It  responds with
recognized  authority to  changing  requirements for
technical  assistance to  other  ORD  Offices, Program
Offices, Regions,  senior  Agency managers, Agency
Workgroups,  and Interagency Task Forces. Through the
active involvement of its  scientific  staff with Agency
research and advisory committees, other Agency offices,
and through interaction  with  academic and  other
independent scientific bodies, the Laboratory assists in
the formulation  of health science policy for the Agency.
Finally, as a result of these  relationships and the scientific
                    capabilities of its  staff,  the  Laboratory provides the
                    leadership  in the  development  of  national  and
                    international environmental health research efforts.
                      Organizationally, HERL  consists of six  research
                    divisions. While most of the research facilities are located
                    in the Research Triangle Park, North Carolina, HERL has
                    several branches located  in Cincinnati, Ohio. Also HERL
                    has  one  of  the  nation's  few sophisticated  human
                    inhalation  exposure facilities which is  located  on the
                    campus of the University of North Carolina at Chapel Hill.
                      Research at HERL is being conducted in the following
                    areas:

                    • Oxidants: Develop a data base for use  in regulatory
                      decision making  on the health effects of  63 and NOa
                      exposure  by conducting  human  clinical,  epidem-
                      iologic and  animal  studies.  Models  are also  being
                      developed to quantitatively extrapolate animal data to
                      humans.

                    • Hazardous  Air Pollutants (HAP): Develop and validate
                      techniques  to  evaluate the  toxic effects of  HAPs,
                      produce dose-response data  on the toxic effects of
                      HAPs and develop models which improve our ability to
                      use toxicological  data in risk assessments.

                    • Mobile Sources:  Provide quality  health  data  on the
                      effects  of  vehicle  fuels and additives,  including
                      methanol and exposure  to CO and develop methods for
                      obtaining dose response data for use in risk assess-
                      ments for regulatory purposes.

                    • Superfund: Develop and evaluate dose response data,
                      extrapolation models and test methods  on  complex
                      mixtures to reduce uncertainties in risk assessment.

                    • Gases and Particles: Develop a data base for  use in
                      regulatory decision  making  on the health  effects of
                      SOa, particles and Pb  by conducting  human clinical,
                      epidemiologic and animal studies. Models  are also
                      being developed  to extrapolate animal data to humans
                      and to provide information on the relationship between
                      particle size and lung deposition in man.

                    • Water Quality: Evaluate methods to  assess  health
                      hazards  associated with complex  mixtures  arising as
                      discharges from public owned treatment works.

                    • Municipal  Wastewater:  Provide  data and appraisal
                      documents  on health aspects of  land application of
                      municipal sludge  and use of renovated wastewater for a
                      source of drinking water.

                    • Drinking Water: Provide health effects information for
                      drinking  water standards  and  health advisories with
                                                    34

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  special emphasis on hazards posed by drinking water
  disinfectants (chlorine, chloramine, chlorine dioxide and
  ozone)  utilizing  state-of-the-art  toxicologic  and
  epidemiologic methodologies.

• Hazardous  Waste:  Evaluate the health effects of
  emissions and  residues  from  hazardous waste
  incineration  (HWI) and municipal  waste  combustion
  (MWC).

• Pesticides: Develop  methodologies and generate  data
  for the  assessment  of health  risks  from pesticides;
  define environmental and health endpoints  for future
  test methods.  Studies are also being carried out on
  health effects  of biological  and bioengineered pesti-
  cides.
• Indoor Air Research (with an emphasis on combustion
  products , sick  building  syndrome, VOCs, and envi-
  environmental tobacco smoke): Apply results of this
  research to  the  development of health  risk assess-
  ments.

• Improved Health  Risk  Assessments:  Develop  a
  systematic and integrated approach to  improve the
  health risk assessment process.

• Toxic Chemical Testing and Assessment: Develop and
  validate  test methods for identifying health hazards
  under the Toxic Substances Control Act (TSCA). Study
  relationship between chemical structure and toxicologic
  activity.  Carry  out  human epidemiological  studies on
  hazardous chemicals. Also, evaluate  human  health
  hazards  of bioengineered materials.
                                                 Director


Human
Studies


Clinical
Research



Epidemiology






Genetic
Toxicology


Mutagenesis
& Cellular
Toxicology
I
Carcinogenesis
& Metabolism





Neuro-
toxicology



Behavior &
Neurochemistry


Neuro-
physiology &
Neuropathology

Genetic
Bioassay


Biochemical &
Molecular
Toxicology


Systems
Development





Developmental
Toxicology


Reproductive
Toxicology


Perinatal
Toxicology


Reproductive
and
Developmental
Biochemistry




Research
and
Regulatory
Support


Environmental
Toxicology
I
Biostatistics

Experimental
Dosimetry
1
Special
Studies and
Technology
Transfer

Pulmonary
Toxicology
1

Analytical
Studies






                                                     35

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                                        Areas of Expertise

                                      Telephone*
                            Area of Expertise
Office of the Director
Lawrence W. Reiter, Director

  Developmental Toxicology
  Division
  Robert J. Kavlock
    Sally P. Darney
    Clinton Y. Kawanishi
    M. Kate Smith

  Environmental Toxicology
  Division
  Fred J. Miller
    Jeno P. Bercz
    Daniel L. Costa

  Genetic Toxicology Division
  Michael D. Waters
    F. Bernard Daniel
    Joellen Lewtas
    Martha M. Moore
    Stephen C. Nesnow

  Human Studies Division
  John J. O'Neil
    Richard B. Everson
    Timothy R. Gerrity

  Neurotoxicology Division
  Robert C. MacPhail
    William K. Boyes
    Robert R. Payne

  Research and Regulatory
  Support Division
  Joe A. Elder
    John P. Creason
    Richard D. Phillips

   •FTS: 629-xxxx; CML: 919-541-xxxx
  "FTS: 684-xxxx; CML: 513-569-xxxx
2281         Environmental toxicology
2771         Reproductive toxicology
2782         Reproductive physiology
7965         Microbial pesticides
7577**       Developmental biochemistry
2655         Biochemical and inhalation toxicology
7480**        Theoretical chemistry
2531         Pulmonary toxicology
2537        Genetic toxicology
7411"       Toxicologic mechanisms
3849        Genetic toxicology of complex mixtures
3933        Mammalian mutagenesis
3847        Chemical carcinogenesis
6203         Human inhalation toxicology
1963         Epidemiology
6206         Respiratory physiology
2671         Behavioral toxicology and pharmacology
7538         Neurophysiological toxicology
5156         Computer science
2339        Bioeffects of radiofrequency radiation
2598        Multivariate analysis
2772        Stress physiology
                                                  36
                                                                  U. S. GOVERNMENT PRINTING OFFICE: 1989/648-163/87083

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