§ 63.7752 What records must I keep?
(a) You must keep the records specified in paragraphs (a)(1) through (4) of this section:
(1) A copy of each notification and report that you submitted to comply with this subpart, including all documentation supporting any initial notification or notification of compliance status that you submitted, according to the requirements of § 63.10(b)(2)(xiv).
(2) Records of required maintenance performed on the air pollution control and monitoring equipment as required by § 63.10(b)(2)(iii).
(3) Records of performance tests and performance evaluations as required by § 63.10(b)(2)(viii).
(4) Records of the annual quantity of each chemical binder or coating material used to coat or make molds and cores, the Material Data Safety Sheet or other documentation that provides the chemical composition of each component, and the annual quantity of HAP used in these chemical binder or coating materials at the foundry as calculated from the recorded quantities and chemical compositions (from Material Data Safety Sheets or other documentation).