If you have air emission control equipment subject to 40 CFR part 264, subpart CC, you must keep the following information at your facility:

(a) Documentation for each floating roof cover installed on a tank subject to 40 CFR 264.1084(d)(1) or (d)(2) that includes information you prepared or the cover manufacturer/vendor provided describing the cover design, and your certification that the cover meets applicable design specifications listed in 40 CFR 264.1084(e)(1) or (f)(1).

(b) Identification of each container area subject to the requirements of 40 CFR part 264, subpart CC and your certification that the requirements of this subpart are met.

(c) Documentation for each enclosure used to control air pollutant emissions from tanks or containers under requirements of 40 CFR 264.1084(d)(5) or 264.1086(e)(1)(ii). You must include records for the most recent set of calculations and measurements you performed to verify that the enclosure meets the criteria of a permanent total enclosure as specified in “Procedure T—Criteria for and Verification of a Permanent or Temporary Total Enclosure” under 40 CFR 52.741, appendix B.

(d) [Reserved]

(e) Documentation for each closed-vent system and control device installed under requirements of 40 CFR 264.1087 that includes design and performance information as specified in §270.24 (c) and (d).

(f) An emission monitoring plan for both Method 21 in 40 CFR part 60, appendix A and control device monitoring methods. This plan must include the following information: monitoring point(s), Monitoring methods for control devices, monitoring frequency, procedures for documenting exceedences, and procedures for mitigating noncompliances.