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§ 63.1178 For cupolas, what standards must I meet?
(a) You must control emissions from each cupola as specified in Table 2 to this subpart.
(b) You must meet the following operating limits for each cupola:
(1) Begin within one hour after the alarm on a bag leak detection system sounds, and complete in a timely manner, corrective actions as specified in your operations, maintenance, and monitoring plan required by § 63.1187 of this subpart.