1. (a) An owner or operator shall retain a copy of all records necessary to determine compliance with any requirement of this subpart and of the PAL, including a determination of each emissions unit's twelve-month rolling total emissions, for five (5) years from the date of such record.

2. (b) An owner or operator shall retain a copy of the following records for the duration of the PAL effective period plus five (5) years:

   1. (1) A copy of the PAL permit application and any applications for revisions to the PAL; and
   2. (2) Each annual certification of compliance pursuant to Title V and the data relied on in certifying the compliance.

Codification Notes: “Title V” means Title V of the Clean Air Act, Pub. L. No. 101-549, which is codified at 42 U.S.C. § 7401 et seq.