[Code of Federal Regulations] [Title 40, Volume 22] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR205.57] [Page 119] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 205--TRANSPORTATION EQUIPMENT NOISE EMISSION CONTROLS--Table of Contents Subpart B--Medium and Heavy Trucks Sec. 205.57 Selective enforcement auditing requirements.