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 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. Companies who wish to respond via E-mail may do so at BARTON.KATHRYN@epamail.epa.gov. (0213)

Loren Data Corp. http://www.ld.com (SYN# 0085 19960801\R-0005.SOL)