You must keep the records in paragraphs (a) through (e) of this section, according to the requirements of Sec. 63.1109(c).
(a) Monitoring data required by Sec. 63.1086 that indicate a leak, the date the leak was detected, or, if applicable, the basis for determining there is no leak.
(b) The dates of efforts to repair leaks.
(c) The method or procedures used to confirm repair of a leak and the date the repair was confirmed.
(d) Documentation of delay of repair as specified in Sec. 63.1088.
(e) If you validate a 40 CFR part 136 method for the HAP listed in Table 1 to this subpart according to the procedures in appendix D to this part, then you must keep a record of the test data and calculations used in the validation.