[Title 40 CFR 60.163]
[Code of Federal Regulations (annual edition) - July 1, 2009 Edition]
[Title 40 - PROTECTION OF ENVIRONMENT]
[Chapter I - ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)]
[Subchapter C - AIR PROGRAMS (CONTINUED)]
[Part 60 - STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--]
[Subpart P - Standards of Performance for Primary Copper Smelters]
[Sec. 60.163 - Standard for sulfur dioxide.]
[From the U.S. Government Printing Office]


40PROTECTION OF ENVIRONMENT62009-07-012009-07-01false60.163Sec. 60.163PROTECTION OF ENVIRONMENTENVIRONMENTAL PROTECTION AGENCY (CONTINUED)AIR PROGRAMS (CONTINUED)STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--Standards of Performance for Primary Copper Smelters
Sec. 60.163  Standard for sulfur dioxide.

    (a) On and after the date on which the performance test required to 
be conducted by Sec. 60.8 is completed, no owner or operator subject to 
the provisions of this subpart shall cause to be discharged into the 
atmosphere from any roaster, smelting furnace, or copper converter any 
gases which contain sulfur dioxide in excess of 0.065 percent by volume, 
except as provided in paragraphs (b) and (c) of this section.
    (b) Reverberatory smelting furnaces shall be exempted from paragraph 
(a) of this section during periods when the total smelter charge at the 
primary copper smelter contains a high level of volatile impurities.
    (c) A change in the fuel combusted in a reverberatory smelting 
furnace shall not be considered a modification under this part.