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Electronic Code of Federal Regulations

e-CFR data is current as of June 3, 2020

Title 40Chapter ISubchapter CPart 60Subpart Q → §60.174


Title 40: Protection of Environment
PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES
Subpart Q—Standards of Performance for Primary Zinc Smelters


§60.174   Standard for visible emissions.

(a) On and after the date on which the performance test required to be conducted by §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 sintering machine any visible emissions which exhibit greater than 20 percent opacity.

(b) On and after the date on which the performance test required to be conducted by §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 affected facility that uses a sulfuric acid plant to comply with the standard set forth in §60.173, any visible emissions which exhibit greater than 20 percent opacity.

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