[Code of Federal Regulations] [Title 40, Volume 8] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR61.173] [Page 137] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 61_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS --Table of Contents Subpart O_National Emission Standard for Inorganic Arsenic Emissions From Primary Copper Smelters Sec. 61.173 Compliance provisions. (a) The owner or operator of each copper converter to which Sec. 61.172(b)--(f) applies shall demonstrate compliance with the requirements of Sec. 61.172(b)(1) as follows: (1) The owner or operator of each existing copper converter shall install a secondary hood system to meet the requirements of Sec. 61.172(b)(1) no later than 90 days after the effective date, unless a waiver of compliance has been approved by the Administrator in accordance with Sec. 61.11. (2) The owner or operator of each new copper converter shall install a secondary hood system to meet the requirements of Sec. 61.172(b)(1) prior to the initial startup of the converter, except that if startup occurs prior to the effective date, the owner or operator shall meet the requirements of Sec. 61.172(b)(1) on the effective date.