[Code of Federal Regulations] [Title 48, Volume 1] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 48CFR23.500] [Page 454] TITLE 48--FEDERAL ACQUISITION REGULATIONS SYSTEM CHAPTER 1--FEDERAL ACQUISITION REGULATION PART 23_ ENVIRONMENT, ENERGY AND WATER EFFICIENCY, RENEWABLE ENERGY TECHNOLOGIES, OCCUPATIONAL SAFETY, AND DRUG-FREE WORKPLACE--Table of Contents Subpart 23.5_Drug-Free Workplace Sec. 23.500 Scope of subpart. Source: 54 FR 4968, Jan. 31, 1989 (interim) and 55 FR 21707, May 25, 1990 (final), unless otherwise noted. This subpart implements the Drug Free Workplace Act of 1988 (Pub. L. 100-690).