[Code of Federal Regulations] [Title 45, Volume 3] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 45CFR630.635] [Page 190] TITLE 45--PUBLIC WELFARE CHAPTER VI--NATIONAL SCIENCE FOUNDATION PART 630_GOVERNMENTWIDE REQUIREMENTS FOR DRUG-FREE WORKPLACE (FINANCIAL ASSISTANCE)--Table of Contents Subpart F_Definitions Sec. 630.635 Drug-free workplace. Drug-free workplace means a site for the performance of work done in connection with a specific award at which employees of the recipient are prohibited from engaging in the unlawful manufacture, distribution, dispensing, possession, or use of a controlled substance.