CFR › Title 40 › Part 52 › §52.62640 CFR §52.626Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)[Reserved](b)The compliance schedules for the sources identified below are disapproved as not meeting the requirements of Subpart N of this chapter. The regulations cited are air pollution control regulations of the State.