United States   September 1992
Environmental  EPA-453/F-92-004
Protection
Agency

RACT/BACT/LAER
Information
System
Control
     Lechnology

         Center
Printed on recycled paper.

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 The  RACT/BACT/LAER
 Clearinghouse
    The RACT/BACT/LAER Clearing-
    house Information System (BUS), lo-
    cated on the U.S. EPA's Office of Air
Quality Planning and Standards Technol-
ogy Transfer Network (TTN) is available to
help air pollution control personnel make
control technology determinations. The
data base contains over 2800 RACT,
BACT, and LAER determinations from 49
states and three territories.  Information
on air emission limits and control technol-
ogy for over 200 pollutants and 1000
processes collected from State and local
air pollution control agencies is listed.
BLIS users benefit from its  location on
the TTN.  This bulletin board  provides
access to seven other data bases
and allows communication
between users.
The number of BLIS users
continues to grow,
thanks to  BLIS' user-
friendly format and
abundance of data. We
look   forward   to
making you  part of
the BLIS usergroup.

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BLIS is menu-driven and easy to use —
even for the first-time BLIS user.  After
logging in, the user can access information
through the menu. Extensive help screens
are available to explain the various options
in BLIS.  Menu choices include:

  • Searching the data base by State,
    Region, pollutant, process, or a
    combination  of these and other
    search options

  • Printing the data you select through
    a search in standard BUS formats

  • Downloading data into a file on
    your PC

  • Viewing data  on your  screen
    through a flexible view feature that
    allows you to browse information
    easily.

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Process Categories Contained in BUS
include:
  External Combustion
  Waste Disposal
  Internal Combustion
  Organic Evaporation Losses
  Petroleum /Natural Gas Production,
  and Refining
  Chemicals Manufacturing Industry
  Metallurgical Industry
  Mineral Products Industry
  Wood Products Industry
  Food and Agricultural Products

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To access BLIS you will need:
 • A Personal Computer,
 • Communication Software (e.g.
    CROSSTALK, PROCOMM), and
 • A modem and telephone connec-
    tion.
You also need to register for the TTN by
following these steps:
 •  Set communications parameters
    to 8 data bits, a parity of N, and 1
    stop bit.
 «  Call (919) 541 -5742 at 1200,2400
    or 9600 baud.
 •  Go through the automated regis-
    tration process.
Designated  State, local  or EPA Re-
gional personnel may enter data di-
rectly into BLIS.  If your agency is
interested  please  contact  Joe
Steigerwald for more information.
  For further information on, or help with BLIS,
  contact:

            Joe Steigerwald
        Control Technology Center
               MD-13
    U.& Environmental Protection Agency
     Research Triangle Park, NC 27711

             (919)541-2736
          (919) 541-0072-FAX

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