40 CFR 63.9792 - What are my general requirements for complying with this subpart?
(a) You must be in compliance with the emission limitations (including operating limits and work practice standards) in this subpart at all times, except during periods specified in paragraphs (a)(1) and (2) of this section.
(b) Except as specified in paragraph (e) of this section, you must always operate and maintain your affected source, including air pollution control and monitoring equipment, according to the provisions in § 63.6(e)(1)(i). During the period between the compliance date specified for your affected source in § 63.9786 and the date upon which continuous monitoring systems have been installed and validated and any applicable operating limits have been established, you must maintain a log detailing the operation and maintenance of the process and emissions control equipment.
(e) If you own or operate an affected continuous kiln and must perform scheduled maintenance on the control device for that kiln, you may bypass the kiln control device and continue operating the kiln upon approval by the Administrator, provided you satisfy the conditions listed in paragraphs (e)(1) through (3) of this section.
(1) You must request approval from the Administrator to bypass the control device while the scheduled maintenance is performed. You must submit a separate request each time you plan to bypass the control device, and your request must include the information specified in paragraphs (e)(1)(i) through (vi) of this section.
(i) Reason for the scheduled maintenance.
(ii) Explanation for why the maintenance cannot be performed when the kiln is shut down.
(iii) Detailed description of the maintenance activities.
(iv) Time required to complete the maintenance.