U.S. Environmental Protection Agency, 26 W. Martin Luther King Dr., Cincinnati, OH 45268

A -- TECHNICAL SUPPORT FOR TATT PROGRAM -- ADA, OK SOL PR-CI-99-13292 POC BILLY ODEN -(513)487-2126 -- Contracting Officer WEB: Cincinnati Contracts Management Division, http://www.epa.gov/oam/cinn_cmd. E-MAIL: U.S. EPA -- Cincinnati Contracts Management Division, oden.billy@epamail.epa.gov. The purpose of this Modification is to change the following: 1. The size standard for SIC Code 8744 is changed to 500 employees. The SIC Code remains the same (8744). 2. The contract will contain options for two (2) additional performance periods; not four as stated in the original announcement. Posted 01/27/99 (W-SN291892). (0027)

Loren Data Corp. http://www.ld.com (SYN# 0004 19990129\A-0004.SOL)