40 CFR § 63.10432
What records must I keep?
June 9, 2020
You must keep the records specified in paragraphs (a) and (b) of this section.
(a) A copy of the Initial Notification of Compliance Status that you submitted to comply with this subpart.
(b) Records required by §63.10420 for each sterilization unit not equipped with an air pollution control device.