[Code of Federal Regulations] [Title 40, Volume 6] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR60.12] [Page 66] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 60_STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES --Table of Contents Subpart A_General Provisions Sec. 60.12 Circumvention. No owner or operator subject to the provisions of this part shall build, erect, install, or use any article, machine, equipment or process, the use of which conceals an emission which would otherwise constitute a violation of an applicable standard. Such concealment includes, but is not limited to, the use of gaseous diluents to achieve compliance with an opacity standard or with a standard which is based on the concentration of a pollutant in the gases discharged to the atmosphere. [39 FR 9314, Mar. 8, 1974]