United States
                  Environmental Protection
                  Agency
                 Office of Air Quality
                 Planning and Standards
                 Research Triangle Park, NC 27711
                  EPA 453/N-95-001
                  January 1995
&EPA  Control  Technology   Center
                  NEWS
   Volume 7, No. 1
A JOINT EPA / STAPPA / ALAPCO PROJECT
                   January 1995
    HAP-PRO VERSION 2.0
       NOW AVAILABLE!

          By Joe Steigerwald
           CTC, ITG,OAQPS

      Version 2.0 of HAP-PRO is  now
   available from the CTC BBS. The pro-
   gram file  and  the User's Manual are
   downloadable  items within the Down-
   loading Software and Other Items area
   oftheBBS. The User's Manual is on the
   BBS in  an  ASCII text format,
   WordPerfect 5.x format,  WordPerfect
   6.0 format, and as an Envoy file. All are
   in self-extracting format so just down-
   load them, put them in a new directory,
   go into that directory,  and type their file
   name from the prompt. The executable
   file is large, 1.7MB, so use the highest
   speed modem  you can.
       The primary purpose ofthe Hazard-
    ous Air Pollutant Program (HAP-PRO)
    is to assist permit engineers in review-
    ing applications for control of air toxics.
    HAP-PRO  calculates the capital and
    annual costs for up to six different vola-
    tile organic compounds  (VOCs) and
    three particulate control devices, includ-
    ing selected en-
    gineering pa-
    rameters.
    C a I cuIa-
    tions  used
    by the pro-
    gram mirror
    those  pre-
    sented in  the
    EPA  Handbook,
    Control Technologies for Hazardous Air
    Toxics (June 1991)(EPA-625/6-91/
    014)  and  the EPA's Control  Cost
    Manual  (March 1990)(EPA-450/3-90/
    006).
      VERSION  2.0 is
            HERE!!!
                      A second-
ary purpose of HAP-PRO is to generate
reports that list all facilities containing a
specified pollutant in their emission
stream(s), or a specified type of emis-
sion stream (for example, organic or
               (continued page 2)
                 AIRWAVES
                   By Bob Blaszczak
                 CTC Co-Chair, OAQPS
      I'm sure glad I didn't make that "get out the CTC NEWS
   on time" newyears resolution again. I'm not sure when you'll
   be seeing this, but I know it's not January. (I sure hope it's no
   later than February!)  We're still getting  use to our new
   organization and trying to figure how to do more with  less.
   Getting the CTC NEWS out during this turmoil has been a real
   chore.  It seems like I'm being devoured  by my workload
   instead of empowered to get it done. Oh well, I'll grow from
   the experience.
      For the fifth time in the seven years I've been with the
   Office of Air Quality Planning and Standards (OAQPS), I (and
   the CTC) have moved. We're still in the same building, just
   a different floor with a different view.  Although moving is
   getting to be the routine thing to do every year or so, it's still
   drudgery and very time consuming.  The  only good thing
                    about it is that it forces an old pack rat like me to cleanup. The
                    move did cause some disruption of CTC  HOTLINE service
                    and we sincerely hope this did not  cause you any pain.
                    Otherwise, as far as you're concerned, nothing has changed
                    except our regular mail drop (now MD-12). So, make a note
                    of it and be sure to use it when writing the CTC. We have also
                    added a second FAX line (919/541-0361) to improve access
                    the Air and Energy Engineering Laboratory (AEERL) part of
                    the CTC. The old FAX number (919/541 -0242) still works and
                    connects you with the OAQPS side ofthe  CTC.  Feel free to
                    use either number. We'll make sure that  it gets to the right
                    person.                       6
                       "Centre de Control Tecnologico; Podriamos ayudarle?"
                    That's the greeting our Spanish speaking friends will hear
                    when calling the CTC HOTLINE in the near future. (That
                    translates to "Control Technology Center: can I  help you?")
                    The CTC is becoming an active player in the Mexican Border
                    Initiative, a program to clean up pollution along the Mexican
                    border.  A Spanish speaking CTC HOTLINE and bulletin
                    board are under development. We hope to have them up and
                    running by late spring. Although targeted to promote environ-
                    mental improvements along the Mexican border, the new
                                                   (continued page 2)

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  HAP-PRO VERSION 2.0
     NOW AVAILABLE!
       (continued from page 1)

inorganic vapors and participates).
    HAP-PRO also  includes an expert
review system for the design of thermal
incinerators, catalytic incinerators, and
carbon adsorber systems.   The pro-
gram reviews the design results gener-
ated,  makes recommendations for
changes, and allows easy evaluation of
design sensitivities.
    Even though the version number
made a large jump (from 1.2 to 2.0) the
changes in the model were mostly inter-
nal. The following changes were made
from version 1.2 to version 2.0:
- The system was redesigned for im-
proved accuracy of calculations and
better performance.
- The data entry screens were modified
to be consistent  for all data groups.
- The system was modified  to allow
multiple control  devices to be associ-
ated with a stream. This allows users to
run  calculations on different control de-
vices  for the same  stream and HAPs
and compare the results.
    HAP-PRO version  2.0 is available
through the CTC BBS to anyone who
wants to download it.   However, the
CTC will make the model available on 2
high density 3.5 inch diskettes to indi-
viduals in  State  or local air  pollution
control agencies if they are unable to
download the files from the CTC BBS.
The model will also be available from the
National Technical Information Service
(NTIS) for a fee in the near future.  Both
the  BBS version and the diskette ver-
sion examine your harddrive  upon in-
stallation to see  if you have  an older
version of HAP-PRO on your system. If
it finds HAP-PRO version 1.2, you will
be asked if you need to save any data
file you may have already created. If it
finds  an older  version,  you will be
prompted to either call the CTC for the
appropriate files to upgrade it to version
1.2 orto allowthe installation program to
overwrite these older files. Remember,
if you updated to version 2.0 from a
version prior to version 1.2, some exist-
ing data files may be lost or corrupted.
Either way, it would be prudent to make
a backup copy of any important HAP-
PRO data files you have before you
install version 2.0 over any older ver-
sion except 1.2.
    After the installation is complete,
enter HAP-PRO at the DOS prompt to
execute version 2.0.  The hardware
requirements for using the HAP-PRO
model are not very stringent. They are:
an IBM PC/XT/AT or compatible; 515K
minimum free RAM;  hard disk with a
minimum of 4.2 megabytes of free stor-
age space for installation;   mono-
chrome or CGA/EGA/VGA color moni-
tor;  and  MS-DOS version 3.1  or
greater.                      E9


         AIRWAVES
     (continued from page 1)
Hotline will accept calls from all Spanish
speaking people.  We're also in  the
process of identifying key documents
that need to be translated into Spanish
and  technical assistance/guidance
project needs. Stay tuned for additional
developments.
    The Federal Regulation Data Base
has proven to be a very popularaddition
to  the RACT/BACT/LAER Clearing-
house (RBLC)  bulletin board.  It pro-
vides quick access to summary infor-
mation on Federal emission standards
(NSPS, NESHAP, and MACT) in a for-
mat similar to that used for the source
specific (traditional) RBLC data bases.
We will be adding a browse function in
the  near future to simplify viewing the
regulations. We are also inviting State
and local agencies to input their signifi-
cant regulations.  If you have any sug-
gestions for additional improvements,
please let us know.
    As is the tradition, this January edi-
tion of the CTC NEWS includes a CTC
product ordering form.  Our resources
are limited. So, please order only what
you need. Besuretoincludeyourreturn
address and phone numberwhen plac-
ing  your  order.  Also,  note that  the
Document requests should be sent to
mail drop 91 (MD-91) instead of  our
usual drop.  This will help us expedite
filling your order.
    Enjoy the NEWS. See you  in the
Spring.
                             E3
     DANIEL RETIRES

    The Control  Technology Center
(CTC) recently lost the services of a
valued  staff member.  Bobby Daniel,
whom many of you would recognize by
his  sultry southern drawl,  retired on
January 3,1995, from the EPA. He has
been with the EPA in the Air and Energy
Engineering Research Laboratory for
25 years,  including the last 4 years as a
member of the CTC staff.
 .   His experience, patience, and wis-
dom have greatly contributed to the
success and growth of the CTC. Bobby
accepted  each call as a new challenge
and  endeavored always to give the
caller complete and accurate service.
He said, many times,  that he enjoyed
providing this service  to government
and private industry agencies.
    Although Bobby broughtto the CTC
expertise in  many  areas of pollution
control technology  and research, his
target areas have  been asphalt emis-
sions and advanced  volatile organic
compound (VOC) control technology
evaluation. Bobby's research studies in
asphalt emissions have become recog-
nized authoritative documents.
    Bobby joins his wife, Martha, in
retirement.  He enjoys spending time
with his son and best friend, Thomas,
and his daughter,  Deborah. Besides
being an avid  golfer, he is a dedicated
fan of Duke University football and bas-
ketball.
    Bobby, we wish you good luck, hap-
piness, and a monthly "hole in one"
in the coming  years!             E3
                                              CTC News page  2

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               MACT, CTG, NSPS, ACT AND TITLE I RULE SCHEDULES
                                                                                      **
MACT STANDARD
Aerospace (coatings)
Asbestos MACT/GACT
Asbestos Litigation
Chromium Electroplating
Commercial Sterilizers
Degreasing (Hal. Sol. Clean.)
Ferroalloys
Flexible Polyurethane Foam
Magnetic Tape Coating
Marine Vessel (load/unload)
Mineral Wool
Off-site Waste & Recovery
Petroleum Refineries
Pharmaceutical Production
Polymers & Resins I
Polymers & Resins II
Polymers & Resins III
Polymers & Resins IV
Portland Cement
Primary Aluminum Prod.
Printing/Publishing
Pulp & Paper (combustion)
Pulp & Paper (non-comb.)
Secondary Aluminum Prod.
Secondary Lead Smelters
Shipbuilding (coatings)
Stage I Gasoline Distr.
Wood Furniture Coating
Wood Treatment
CTG ****
Aerospace Coatings
Industrial Wastewater
Proposal
* 6/6/94
*-|/95****
*1 71/93
*1 2/1 6/93
*2/28/94
*1 1/29/93
9/30/95
2/1/95
*2/28/94
*5/13/94
2/1/96
*1 0/1 3/94
*6/30/94
3/15/96
5/15/95
*5/16/94
Schedule under
3/15/95
1/01/96
10/31/95
3/01/95
2/27/95
**1 0/29/95
11/1/95
*5/31/94
*1 1/22/94
*2/8/94
*1 1/21/94
11/1/95
Proposal
*1 1/1 5/94
*1 2/29/93
Final
6/6/95
11/95****
***
*1 1/23/94
*1 1/23/94
*1 1/09/94
11/30/96
1/1/97
*1 1/23/94
4/30/95
3/1/97
11/15/95
6/30/95
11/15/97
5/15/96
2/28/95
revision
3/15/96
1/1/97
11/15/96
3/1/96
4/29/96
3/01/96
12/1/97
5/31/95
12/6/95
*1 1/23/94
11/21/95
11/1/96
Final
6/6/95
on Hold
                                                    CTG
                                             Proposed
                       Final
                                                    Shipbuilding (coating)
                                                    Batch Processes
                                                    Offset Lithography
                                                    Plastic Parts Coating
                                                    VOL Storage
                                                    Wood Furniture Coating

                                                    ACT	
                                            Schedule Under Review
                                             *12/27/93      on Hold
                                             *11/8/93
                                             6/30/94
                                             *12/2/93
                                             *11/21/94

                                           	Final
                       on Hold
                       on Hold
                       on Hold
                       11/21/95
                                                    Plywood/Particle Board (PM10)    Schedule Under Dev.
                                                    NSPS
                                             Proposal
                                                    Degreaser NSPS
                                                    Elec. Utility Gen. Rev. (NOx)
                                                    Landfill NSPS & 111 (d)
                                                    Med. Waste Inc. NSPS  & 111(d)
                                                    NOx NSPS Revision (407(c))
                                                    Mun. Waste Combustors II &  II
                                                    SOCMI Sec.  Sources NSPS
                                                    Starch Mfg. Industry NSPS

                                                    Title I Rules (Sec. 183(e))
                                                    Arch./lnd. Coatings
                                                    Auto Refinishing
                                                    Consumer Products List
                                             *8/31/94
                                             *5/30/94
                                             *5/30/91
                                             *2/1/95
                                             11/31/95
                                             *9/20/94
                                             *8/31/94
                                             *8/31/94
                       Final
                       8/31/95
                       4/30/95
                       4/4/95
                       4/15/96
                       12/31/96
                       9/1/95
                       8/31/95
                       8/31/95
                                             Proposal      Final
                                             5/5/95        5/5/96
                                             Schedule under Dev.
                                             *8/31/94      9/30/95
                                                    NOTE:
                                                    * Indicates date completed
                                                    @  Indicates on a court ordered deadline
                                                    ** All schedules are tentative and subject to change without
                                                       notice. Only those rules with proposal or promulgation
                                                       dates within one year are included. Completed rules are
                                                       removed from list after six months.
                                                    """Schedule to  be determined by litigation/negotiation
                                                    ****ACT's have been issued for most CTG categories by April
                                                       1995
   REGULA TIONS DA TA
 BASE NOW A VAILABLE
  TO STATE AND LOCAL
         AGENCIES

        By Jo Ann Kerrick
             VIGYAN

    Do people askyou about your State
or local air pollution regulations?  Per-
haps it's just one or two special rules
that address a source not yet regulated
by others or set important benchmarks.
The RACT/BACT/LAER Clearinghouse
(RBLC) has a new data base that may
help you respond to these questions
more effectively.
    In November  1994,  the RBLC
added a data base that contained sum-
maries of regulations that were enacted
at the federal level  in response to the
Clean Air Act and Amendments. Start-
ing  in January  1995, State and local
agencies can add summaries of their
own rules to the data base, making this
information available to all TTN users.
You may include all your rules or just
those that you feel may be of interest or
that you want to share with others. How
many and which rules you enter are up
to you.
   Adding and updating youragency's
regulations is easy.  To get started all
you need is a  password to access the
data entry module of the regulation data
base.  This module uses  the same
menu-driven system that you  know
from  the RBLC's control  technology
determination  data base.  It includes
context-sensitive on-line  help at all
menus and prompts to assist you with
your  input.  If  you would like to enter
                (continued page 6)
                                            CTC News page  3

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   WILLIAM MAXWELL -
      CTC EXPERT ON
     EMISSIONS FROM
          UTILITIES

          By Janet Erwin,
       Acurex Environmental

    CTC callers needing expert advice
concerning emissions from utilities are
likely to be directed to William Maxwell.
His current work as the Project Lead for
the Utility Air Toxic  Study Report to
Congress puts him on  top of ongoing
research to determine  possible health
effects resulting from  hazardous air
pollutant emissions from utilities.
    Originally from the Midwest, Bill
earned his  B.S. in Civil Engineering
from Kansas State University in 1969.
After serving 2 years in the Army under
the ROTC program, he returned to Kan-
sas State to begin working towards his
Masters in Sanitary Engineering, which
he was awarded in 1973.
    Bill's degree prepared him  for his
work as an  environmental engineer at
the Midwest Research Institute in Kan-
sas City. There, as an  EPA contractor
working under the New Source  Perfor-
mance Standards (NSPS) contracts, he
performed field testing at various indus-
tries, including  power plants and pulp
mills.     These
projects were part
of EPA's continu-
ing efforts to carry
out work under the
Clean Air Act.
   Bill's work un-
der the NSPS con-
tracts brought him
to Durham in 1979,
where  his contin-
ued  work  as an
EPA   contractor
eventually led to his
coming on board
with  EPA in  1985.
He comments on
his  9  years  with
EPA, "It doesn't seem like it has been
that long." He further commented that
he enjoys the people he has the oppor-
tunity to work with,  and that his  job
provides him, "achancetoattempttodo
something good."
   Well, he must have been success-
ful in  his attempts! In March of 1992, Bill
was  honored with a  Bronze Medal for
Commendable Service for his work on
the small boiler NSPS team developing
standards of performance for small in-
dustrial/institutional/commercial boil-
ers.  Again  in November of the same
year, he was recognized with another
Bronze Medal.  This one commended
              his work on the source
              category  list  project
              team, on which he con-
              tributed to the develop-
              ment  of  the  list  of
              source  categories for
              which  Section  112
              standards would be re-
              quired under the Clean
              Air Act Amendments.
              Last June, Bill's  out-
              standing  efforts were
              recognized once more.
              He was awarded a third
              Bronze Medal  for his
              work on  the medical
              waste incinerator tech-
              nical program  and his
contributions to the development of the
technical  background information  nec-
essary to develop standards of perfor-
mance.
    At work, Bill spends time determin-
ing whether or not utilities need to clean
up their act.  In his free time, however,
he enjoys tennis, camping, and helping
his  two boys, both scouts, with  their
skills and sometimes their homework.
Although Bill claims he doesn't have any
upcoming travel plans, he enjoys re-
turning to the Midwest to visit his family,
or breathing in some coastal air at Top-
sail  or Myrtle Beach.
                           SMALL  BUSINESS   UPDATE
                           Deborah Elmore, Federal SBAP Coordinator, CTC/OAQPS
       WE NEED YOUR PROJECT IDEAS NOW!

    It's time to start thinking about what types of assistance
projects you would like to see from the Federal SBAP in 1995.
If you have any ideas for projects, especially those not related
to a federal regulatory effort, please let us know as soon as
possible. Co-sponsored projectsthatshare responsibility and
resources  are also quite
"popular"  in this  era of
streamlining government
(and budgets too!) If you
would  like to discuss a
possible project,  please
contact Deborah Elmore
at (919)541-5437.
                                     SBAP FORUM

                      For each issue of the "CTC NEWS", we would like to invite
                  one or more of our State Small Business Assistance Pro-
                  grams  to discuss successful and innovative activities that
                  may be of interest to their colleagues across the country incur
                  "SBAPForum". Ifyouwouldliketobeoneofourguestwriters,
                                                  please contact Deb El-
                                                  more at (919) 541-
                                                  5437.
                                              CTC News page   4

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                                                   CTC RESOURCES
The CTC provides reports and software resulting from its efforts to government personnel free of charge. (Others may order them from the National Technical
Information Service using the "PB" numbers shown here.) Below is a list of CTC resources published in the past two years.  The CTC is happy to provide its
resources to government personnel. However, because of the large response we anticipate to this list, we ask that you limit your request to the resources for
which you have an immediate need and the quantity to one. To order CTC resources, COMPLETE FORM AND MAIL INFORMATION (on reverse side), CUT
OUT FORM, FOLD, STAPLE/TAPE CLOSED, APPLY  POSTAGE AND MAIL TO THE CTC.
REF NO.  AIR TOXICS
      9  ()   "Handbook: Control Technologies for Hazardous Air Pollutants" (HAP Manual),  EPA-625/6-91-014, PB92-141373 (Manual)
     53  ()   "Evaluation of VOC Emissions from Heated Roofing Asphalt," EPA-600/2-91-061, PB92-115286
     60  ()   "Controlling Odorous Emissions from Iron Foundries," EPA-600/R-92-058, PB92-166925
     67  ()   "Air Emissions from the Treatment of Soil Contaminated with Petroleum Fuels" EPA-600/R-92-124, PB92-212476
     94  ()   "Analysis of Atmospheric Deposition Samples from Easton, PA," EPA-600/R-93-057, PB93-181600,
     95  ()   "Alternative Control Technology Document - Carbon  Reactivation Processes," EPA-453/R-92-019, PB93-180826
     100  ()   "Air Emissions and Control Technology for Leather Tanning and Finishing Operations," EPA-453/R-93-025, PB94-120219
     106  ()   "Evaluation of Mercury Emission from Fluorescent Lamp Crushing," EPA-453/R-94-018, PB94-175932
     114  ()   "Evaluation of Emissions from Paving Asphalts," EPA-600/R-94-135, PB95-129110
     133s ()   "HAP-PRO Model User's Manual, Ver.  2.0," EPA-450/B-94-002(Software  and  user manual)

COMBUSTION
     58  ()   "Burning Tires for Fuel and Tire Pyrolysis: Air Implications," EPA-450/3-91-024, PB92-145358
     66  ()   "Characterization of Emissions from the Simulated Open-Burning of Non-Metallic Automobile Shredder Residue," EPA-600/R-93-044,
             PB93-172914
     76  ()   "Mutagenicity of  Emissions from the Simulated Open Burning of Scrap Rubber Tires," EPA-600/R-92-127, PB92-217009
     78  ()   "Evaluation and Costing of NOX Controls  for Existing  Utility Boilers in the NESCAUM Region," EPA-453/R-92-010, PB93-142016
     102  ()   "Emissions from Burning Cabinet Making Scraps," EPA 600/R-93-21, (PB94-130408
     105  ()   "Characterization of Air Emissions from Simulated Open Combustion of Fiberglass Materials," EPA-600/R-93-239, PB94-136231
     108  ()   "Pilot-Scale Evaluation of the Potential for Emissions of Hazardous Air Pollutants from Combustion of Tire-Derived Fuel," EPA-600/R-94-070,
             PB94-169432

GLOBAL GREENHOUSE GASES TECHNOLOGY TRANSFER CENTER
    80   ()   "Development of an Empirical Model of Methane Emissions From Landfills," EPA-600/R-92-037, PB92-152875
    82   ()   "Landfill Gas Energy Utilization:  Technology Options and Case Studies," EPA-600/R-92-116, PB92-203116
    83   ()   "Analysis of Factors Affecting Methane Gas Recovery From Six Landfills," EPA-600/2-91-055, PB92-101351
    84   ()   "List of Papers and Reports for EPA's Research Program on Air Emissions from Landfills and Other Waste Management Processes"
    86   ()   "Landfill Gas Recovery/Utilization - Options and Economics",  EPA-600/A-92-170, PB92-217066
    88   ()   "Emissions and Mitigation at Landfills and Other Waste  Management Facilities,"  EPA-600/R-92-116, PB94-132180
    121  ()   "Methane Emissions from Industrial Sources," 1993,  EPA-500/A-94-089, PB94174760
    122  ()   "Database of North American Landfill Gas to Energy Products," March 1994, EPA-600/A-94-064, PB94-162773
    123  ()   "Landfill Gas Utilization - Technical and Non-Technical Considerations," March 1994, EPA-600/A-94-139, PB94-18651

RACT/BACT/LAER CLEARINGHOUSE
   104   ()   "RACT/BACT/LAER: ACompilation of Control Technology Determinations, "Volume 1-Third Supplement to 1990 Edition,"
             EPA453/R-93-037a, PB94-111234
             "RACT/BACT/LAER: ACompilation of Control Technology Determinations, "Volume 2-Third Supplement to 1990 Edition,"
             EPA453/R-93-037b, PB94-111572
   115   ()   "RACT/BACT/LAER: A Compilation of Control Technology Determinations, Fourth Supplement to the 1990 Edition," EPA 453/R-94-055,
             PB94-206729
   116   ()  "RACT/BACT/LAERClearinghouse Information System (BLIS) User's Manual EPA-453/B-94-072, PB95-166856
   117   ()   "RACT/BACT/LAER Clearinghouse Flyer

VOC - SOURCE CATEGORIES
   68    ()   "Identification and Characterization of Missing or Unaccounted for Area Source Categories," EPA-600-R-92-006, PB92-139377
   70    ()   "Control of VOC  Emissions from Ink and  Paint Manufacturing Processes," EPA-450/3-92-013, PB92-190230
   77    ()   "Control of VOC  Emissions from Nonferrous Metal Rolling Processes," EPA-453/R-92-001, PB92-227677
   75    ()   "Alternate VOC Control Technique Options for Small Rotogravure and Flexography Facilities" EPA-600/R-92-201, PB93-122307
   93    ()   "Alternative Control Technology Document for Bakery Oven Emissions," EPA-453/R-92-017.PB93-157618
   96    ()  " Automobile Paint Spray Booth Cleaning Emission Reduction Technology Review (in final processing)
   101   ()   "Initial Assessment of Emissions from Heat Setting Carpet Yarn,"  EPA-600/R-93-161,  PB93-229862

MISCELLANEOUS
   90    ()   "OAQPS Cost Control Manual — Supplement 2,"(Gas Absorbers) EPA 450/3-90-006b,  PB93-138147
   92    ()   "A Guidebook for Explaining Environmental Regulations to Small Businesses,"  EPA-453/B-93-023, PB94-120334
   97s   ()   "SAGE-"Solvent  Alternatives Guide," User's Guide,"  EPA-600/R-94-069, PB94-501764
   99    ()   "Evaluation of the Polyad® With FB Air Purification & Solvent Recovery Process for Styrene Removal,"  EPA-600/R-93-212
   107   ()   "OAQPS Cost Manual - Supplement 3,  Hoods, Duct Work, Stacks," EPA-450/3-90-006c, PB94-177565
   112   ()   "Oil Suppression of Particulate Matter at  Grain Elevators," EPA-453/R-94-049
   118   ()   "Evaluation of a Liquid Chemical Scrubber System for Styrene Removal," EPA-600/R-94-211
   48    ()   Complete list of CTC resources
         ()   Check here if you would like to be added to the CTC News mailing list. (If your name appears on the attached mailing label, you are already
               on the mailing list.  You may also use this form to notify us of an address change.
                                                        CTC News page 5

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       REGULATIONS
         DATABASE
      (continued from page 3)

regulations foryouragency, contactthe
BLIS  System  Administrator  at
(919) 541-2736 for a password.
    After you have a password, choose
 from the BLIS BBS to access the
regulation data base. Then choose 
to access the edit module. This module
is password-protected, so enter your
password at the prompt.   The system
verifies your password and displays the
record selection menu. Select the 
option to add a new rule to the data
base. When you add the regulation, the
system assigns  it an 8-character rule
identifier (much like the BLISID). Use
the  rule identifier whenever you want to
view or update information for one par-
ticular regulation with the   option.
To list all the rules in the data base  for
your State or local agency, use the 
option.
    The regulation data base is orga-
nized so that a rule is associated with
the type of facility whose pollutant emis-
sions are governed by the regulation.
This facility is referred to as the affected
facility.   Information at the regulation/
affected facility level includes the  rule
number (as assigned by your agency),
rule status, statutory basis for emission
limits, proposed  and  effective dates,
references to supporting  technical
documentation, and explanatory notes.
Especially  important  is  a telephone
number for a contact at your agency
who is knowledgeable aboutthe regula-
tion.
    Each affected facility consists of
one or  more processes that are regu-
lated by the rule. Data at the process
level includes process type, SCC code,
and additional notes for  details about
the process itself.  Each process, in
turn, consists of information on one or
more pollutants and the emission limits
required by the  regulation.  Pollutant-
level information includes details about
add-on equipment and/or pollution  pre-
vention  methods that can  satisfy the
rule; estimated capital costs and opera-
tions and maintenance costs; and cost
effectiveness in dollars per ton.
    Try to fill in as much information as
possible when you are adding a new
rule, and be sure to use standard terms
and abbreviations.  Other users inter-
ested in  your agency's  rules  will  be
using the query module to access this
information. Complete and consistent
data help insure that searches with any
of the allowable fields produce  the de-
sired results. The searchable fields are
the  same ones used in the determina-
tion data  base, except for a few fields
that do not apply to regulations (e.g.,
AIRS ID).
    The RBLC is enthusiastic aboutthe
federal and State regulation data base
and hope you will take advantage of this
new capability.  As States enter their
own information on key rules, both fed-
eral and State rules will be available - all
in a single data  base.  Call EPA at
(919) 541-2736 to get a password from
the BLIS System Administrator,  and get
started adding your agency's  regula-
tions today.                    KB
  NAME
                                           PHONE
  AFFILIATION.
  MAILING ADDRESS
  CITY
                                   STATE
                                                ZIP CODE
                                      CTC(MD-91)
                                      U.S. ENVIRONMENTAL PROTECTION AGENCY
                                      RESEARCH  TRIANGLE PARK, NC  27711
                                              CTC News page 6

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   ENVIRONMENTALLY
    SAFEAEROSPACE
 EQUIPMENT CLEANING
         COMPOUND

            SYNOPSIS
    Numerous manufacturers of clean-
ing compounds are continuing to qualify
to the new Military Specification, MIL-C-
87937B  Cleaning Compound, Aero-
space  Equipment.  This specification
developed by San Antonio Air Logistics
Center (SA-ALC),  Kelly  AFB, Texas,
establishes the requirements for biode-
gradable, water dilutable, environmen-
tally safe cleaning  compounds for use
on Air Force equipment (aircraft,  en-
gines,  and aerospace ground  equip-
ment).  Environmentally safe means no
ODC or EPA 17 materials.  The clean-
ers fall into four classes:
-Type  I  is a  terpene-based  solvent
emulsion,  water-dilutable cleaning
compound.
-Type II is any water dilutable cleaning
compound with no flash point.
-Type  III is  a gel-type cleaning com-
pound.
-Type IV  is a heavy duty, waterdilutable
cleaning  compound with no flash point.
    Independent laboratories,  manu-
facturers, and Department  of Defense
(DOD) agencies conducted extensive
laboratory tests, reformulations,  and
field  tests  during  the writing of this
specification.   There  are currently
cleaners  qualified as Types I,  II and III.
Manufacturers are currently testing
material  to  qualify as Type IV,  with
qualification expected by the end  of
1994.  All are biodegradable cleaners
that meet materials and performance
criteria including:
- Corrosion testing on AZ31B magne-
sium, 2024 and  7075  aluminum, 1020
steel, stainless steel, titanium, and alu-
minum-lithium.
- Having  no effect on  painted surfaces
(enamel  and polyurethane for Type I
only) or acrylic plastics.
-Compatibility with polyimide wiring in-
sulation.
-Removing oil, hydraulicfluid, and other
soils from surface with no streaking,
blistering, or discoloration.
-Containing no known toxic or carcino-
genic substances.
-Biodegradability, the EPA biodegrad-
able acceptable rate is 70 percent within
28 days. Type I is 75 percent biodegrad-
able within 28 days, while Types II, III,
and IV are 85 percent biodegradable
within 28 days.
-Cleaning efficiency  (passes a  stan-
dardized cleaning test developed by
SA-ALC  and an independent testing
lab).
     BENEFITS/LIMITATIONS
    Mr.  Gus Zachariades, chemist for
the preparing and qualifying activity,
SA-ALC/SFTT, stated, "There are cur-
rently several good cleaners qualified to
Types I, II and III, which can be found in
the Qualified Products  List  (QPL).
Many more compounds are in the pro-
cess of qualifying to all types."
    MIL-C-87937 cleaning compound
benefits include:
-Ability  to remove  carbon, solidified
grease, gelled oil, and othertypes of soil
in any application method such as cold
dip tanks, sprayers,  foamers,  hand-
wipe, or brushed on application.
-Type I cleaners  remaining effective for
up to two months in dip tanks by simply
skimming off the separated oil  and re-
plenishing the lost fluid.
-Reusing diluted  cleaner solutions, from
Type I cleaners, when recycled through
an oil-water separator.
-Requiring rinse water at room tempera-
ture rather than heated water.
-Cleaning  compound with  demon-
strated biodegradability.
-Documented materials compatibility.
    MIL-C-87937 cleaning compound
limitations include:
Editors Note: This article was submitted by the U.S. Air Force and reflects their
experience and  satisfaction with new cleaning agents.  EPA encourages the
development and use of performance based specifications and more environmen-
tally friendly materials that prevent or minimize pollution.  However, use of these
materials as part of a program to comply with environmental regulations must be
considered on a  case  by case basis.
  Control Technology Center
 The CTC NEWS is a quarterly publication of the
 U.S. EPA's Control Technology Center (CTC).
 The CTC is an informal, easy-to-use, no cost,
 technical assistance service for all State and
 local (S/l) air pollution control agency and EPA
 Regional Office staffs.  For others, some ser-
 vices may be on a cost reimbursable basis. The
 CTC offers quick access to EPA experts and
 expertise via the CTC HOTLINE and the CTC
 Bulletin Board, and in-depth technical support
 through source specific Engineering Assistance
 Projects or more generic Technical Guidance
 Projects. The CTC is operated by the Air and
 Energy Engineering Research Laboratory, Of-
 fice of Research  and Development, and the
 Emission Standards Division, Office of AirQual-
 ity Planning and Standards in Research Triangle
 Park, North Carolina.
     If you have any air pollution  emission or
 control questions, or would like more information
 about the CTC and the types of technical assis-
 tance available, CALL THE CTC HOTLINE!
            (919)541-0800
 Publication of the CTC NEWS does not signify
 that the contents necessarily reflect the views
 and policies of the  U.S. EPA, nor does the men-
 tion of trade names or commercial products con-
 stitute endorsement or recommendation for use.
-The necessity of diluting with water.
-The  necessity  of  rinsing  aircraft or
parts with cold water to prevent leaving
a residue or stain.
-Ferrous alloys that may flash rust may
require  a protective coating or a rust
inhibitor in the rinse water.
- No standard water-dilution ratio.  This
ratio varies from manufacturerto manu-
facturer and type of application.  Spe-
cific applications figures depend on
parts cleaned.
-Type I  cleaner's corrosive effects on
soft metals (such as indium).
-A potential adverse effect on cleaning
properties caused by the quality of local
water.
-Costing more than previous non-biode-
gradable cleaners.
    MIL-C-87937 is  approved for aero-
space ground equipment and certain
airframes when approved by the appro-
priate Single Manager for the equip-
ment involved. John King, Chief of the
Materials Engineering Section at SA-
ALC, stated "This specification is com-
munication  of an effort initiated over six
years ago by the Air Force Civil Engi-
neering  Support Agency  at  Tyndall
AFB, FL. Undertheirdirection, overSOO
                  (continued page 8)
                                                CTC News page 7

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         AEROSPACE
       (continued from page  7)
various cleaners were tested for perfor-
mance  and MIL-C-87937 is the result-
ant. The SA-ALC portion of this initiative
was to develop a specification from the
best of  the best and originally only one
type of cleanerwas planned.  As condi-
tions  and requirements changed,  four
different types have resulted."
         DOCUMENTATION
    Technical documentation concern-
ing MIL-C-87937 cleaning  compounds
is  available  from Brian  Ballew, (See
below.)
         ENVIRONMENTAL
    Lt. Robert Reed, Environmental En-
gineer,  SA-ALC, stated, "MIL-C-87937
is  a masterful combination  of perfor-
mance  and  environmental  consider-
ations.  It is one of the first documents
from the Air Force in which environmen-
tal  considerations were given equal
weight with that of performance." Many
local, State, and base regulations  pro-
hibit dumping some cleaners into the
waste treatment facilities because al-
though  a cleaner may be biodegrad-
able, the soils being removed may not.
Check with your base and city environ-
                             CTC ASSISTANCE
    No cost assistance to staff of State and Local agencies and EPA Regional Offices on air pollution
control technology issues.

CTC HOTLINE: CALL (919) 541-0800 to access EPA expert staff for consultations, references to pertinent
literature, or access to EPA technical data and analyses. No question is too simple! Our Fax numbers
are (919) 541 -0242 or (919) 541-0361.
ENGINEERING ASSISTANCE PROJECTS:  If you need  in-depth assistance concerning  a specific
control technology problem, call the  HOTLINE or write the CTC. EPA staff and contractors are available
for short-term projects such as review of proposed or existing control technology applications. Projects
are subject to CTC Steering Committee approval.
TECHNICAL GUIDANCE PROJECTS: If the CTC receives a number of similar HOTLINE calls or a joint
request from a group of agencies, the CTC Steering Committee may undertake broad, long-term projects
of national or regional interest. The result may be a control technology document for a particular type of
source, microcomputer software, or seminars and workshops.
CTC BBS:  Call (919) 541-5742 for up to 14400 baud modem to access the CTC Bulletin Board. Set
communications parameters to 8 data bits, N parity, and 1 stop bit, and use a terminal emulation of VT100,
VT102, or ANSI. You may leave HOTLINE requests, order documents, suggest projects, and download
software. The BBS is part of the OAQPS Technology Transfer Network (TTN).
FEDERAL SMALL BUSINESS ASSISTANCE PROGRAM (FSBAP): Call the CTC HOTLIN E to access
the FSBAP.  The CTC is the focal point for coordination of efforts among the four EPA centers participating
in the program. The Federal program is intended to support State Small Business Assistance Programs,
as required by the Clean Air Act.
RACT/BACT/LAER CLEARINGHOUSE (RBLC): The RBLC data base (BLIS) is available  on the
OAQPS TTN BBS. (See the CTC BBS for connection information.) The Clearinghouse provides summary
information for control technology determinations made by permitting agencies.
GLOBAL GREENHOUSE GASES  TECHNOLOGY TRANSFER CENTER (GGGTTC): Call the CTC
HOTLINE to access GGGTTC information on greenhouse gas emissions, prevention, mitigation, and
control strategies.
mental management offices prior to re-
leasing new chemicals into your dis-
charge lines.
    TECHNOLOGY CONTACTS
Brian Ballew. SA-ALC/TIESM
450 Quentin Roosevelt Road
Kelly AFB, TX 78241-6416
(210) 925-8745 or DSN 945-8745
FAX (210) 925-4916 or DSN 945-4916

Gus Zachariades. SA-ALC/SFTT
1014 Billy Mitchell Boulevard, Suite 1
Kelly AFB, TX  78241-5603
(210) 925-7613 or DSN 945-7613
FAX (210) 925-9964 or DSN 945-9964.
United States
Environmental Protection Agency
CTC, ITPID, OAQPS (MD-12)
Research Triangle Park, NC  27711

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