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57 FR 61992, Dec. 29, 1992, unless otherwise noted.
64 FR 29503, June 1, 1999, unless otherwise noted.
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(a) Cupolas and curing ovens or combined collection/curing operations. You must comply with the emissions limits specified in Table 2 to this subpart no later than the dates specified in Table 2 to this subpart.
(b) At all times, you must operate and maintain any affected source, including associated air pollution control equipment and monitoring equipment, in a manner consistent with safety and good air pollution control practices for minimizing emissions. Determination of whether such operation and maintenance procedures are being used will be based on information available to the Administrator which may include, but is not limited to, monitoring results, review of operation and maintenance procedures, review of operation and maintenance records, and inspection of the source.
[80 FR 45329, July 29, 2015]