Administrative Contracts Service Center (3803R), Environmental Protection Agency, Ronald Reagan Building -- 7th Floor, 1300 Pennsylvania Avenue, N.W., Washington, DC 20460

B -- INVESTIGATION TO MODEL PERCUTANEOUS ABSORPTION SOL PR-HQ-00-0428 DUE 072500 POC Gerald N. Alston 202-564-4771 The U.S. EPA intends to award a sole source, using Simplified Acquisition Procedures the Colorado School of Mines for Investigation to Model Percutaneous Absorption. This solicitation is conducted under SIC Code 8731. The purpose of this requirement is to identify fundamental relationships which permit calculations of scientifically acceptable approximations of the dose related flux of chemicals not yet tested for percutaneous absorption using data from contained in the Office of Pesticide Program Zendzian Databas. Using the assembled percutaneous absorption data and chemical characteristics data, develop the basis of mathmetical models that fit these data such that these models can be applied to pesticide chemical Posted 06/21/00 (W-SN467238). (0173)

Loren Data Corp. http://www.ld.com (SYN# 0023 20000623\B-0009.SOL)