CFR › Title 40 › Part 52 › §52.168040 CFR §52.1680Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Section 227.6 (a) and (f) are disapproved because they are not consistent with the continuous monitoring and reporting requirements of 40 CFR 51.214.