[Code of Federal Regulations] [Title 40, Volume 8] [Revised as of July 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR61.66] [Page 59] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 61_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS--Table of Subpart F_National Emission Standard for Vinyl Chloride Sec. 61.66 Equivalent equipment and procedures. Upon written application from an owner or operator, the Administrator may approve use of equipment or procedures which have been demonstrated to his satisfaction to be equivalent in terms of reducing vinyl chloride emissions to the atmosphere to those prescribed for compliance with a specific paragraph of this subpart. [51 FR 34912, Sept. 30, 1986]