EPA, OPPTS Contract Support (3803F), 401 M St. SW, Washington, DC 20460

R -- MODELING SUPPORT FOR EXPOSURE ASSESSMENT SOL W601179B2 POC Contact Point, Kathryn Barton, (202) 260-2354 A synopsis for this requirement appeared in the CBD on August 2, 1996, and is being amended to provide interested parties with the following information: NOTICE TO PROSPECTIVE OFFERORS--The Request for Proposals (RFP), amendments and other related items will be posted on the Internet and should be downloaded from the following site: www.epa.gov/oam. At the EPA's Office of Acquisition Management (OAM) WWW Home Page, select the Headquarters Division (Washington, DC) location. Under ''Current Procurements'', select ''Modeling Support for Exposure Assessment'', RFP #W600179B2. Interested companies must forward requests to be placed on the bidders list to the mailing address above, via E-mail at BARTON.KATHRYN@epamail.epa.gov, or by FAX at (202) 260-6483. If Internet capability is unavailable, interested parties must submit written verification stating such to Kathryn Barton so that hard copies of these documents may be provided. THE TEXT OF THE ORIGINAL SYNOPSIS IS AS FOLLOWS: The EPA is seeking a contractor to provide modeling support for exposure assessment and to maintain the Graphical Exposure Modeling System (GEMS) and the personal computer version of GEMS (PCGEMS). Work assignments under a level-of-effort contract will be issued to the contractor who possesses the expertise needed to: (1) locate, acquire, and implement environmental computer models to be used to provide exposure assessments for the Office of Prevention, Pesticides and Toxic Substances (OPPTS); (2) locate, acquire, and implement data bases, e.g., environmental data and demographic data, and link them with the exposure models; (3) organize the exposure models and data under GEMS and PCGEMS; (4) apply the computer models to support exposure and risk assessments of specific chemicals; (5) implement mapping and graphical display capabilities to facilitate modeling, analysis of modeling results, and the presentation of results; and (6) keep the GEMS and PCGEMS system software, applications, and documentation up-to-date. The period of performance will consist of a 12-month base period, beginning on or about October 1, 1996, with four one-year option periods. Base level of effort per year is 10,000 hours with up to 5,000 optional hours for an estimated overall total of 75,000 hours. It is anticipated that the type of contract will be cost-plus-fixed-fee, and will be set-aside for small businesses. (0215)

Loren Data Corp. http://www.ld.com (SYN# 0077 19960805\R-0002.SOL)