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§ 270.315 What air emissions control information must I keep at my facility?
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).