The EPA will continue to present OMB control numbers in a consolidated table format to be codified in 40 CFR part 9 of the Agency's regulations, and in each CFR volume containing EPA regulations. The table lists the section numbers with reporting and recordkeeping requirements, and the current OMB control numbers. This listing of the OMB control numbers and their subsequent codification in the CFR satisfies the requirements of the Paperwork Reduction Act and OMB's implementing regulations at 5 CFR part 1320. This ICR was previously subject to public notice and comment prior to OMB approval, and today's amendment simply adds this ICR to the list of currently approved ICR control numbers. 63.502 of subpart U and Sec.
Leak definitions become increasingly stringent over the course of the three phases.
Because of this potential confusion, the EPA has found it necessary to amend Sec. 63.502 and Sec. 63.1331 to clarify that subparts U and JJJ are subject to Sec. For this reason, an explanatory paragraph was added to both Secs. 63.502 and 63.1331, describing how subpart U and JJJ affected sources should interpret Sec.