[Code of Federal Regulations] [Title 41, Volume 1] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR50-204.8] [Page 28] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 50--PUBLIC CONTRACTS, DEPARTMENT OF LABOR PART 50 204_SAFETY AND HEALTH STANDARDS FOR FEDERAL SUPPLY CONTRACTS --Table of Contents Subpart B_General Safety and Health Standards Sec. 50-204.8 Use of compressed air. Compressed air shall not be used for cleaning purposes except where reduced to less than 30 p.s.i. and then only with effective chip guarding and personal protective equipment.