40 CFR 23.8: Timing of Administrator's action under Uranium Mill Tailings Radiation Control Act of 1978.

Unless the Administrator otherwise explicitly provides in a particular rule, the time and date of the Administrator's promulgation for purposes of 42 U.S.C. 2022(c)(2) shall be at 1:00 p.m. eastern time (standard or daylight, as appropriate) on the date that is two weeks after the date when notice of promulgation is published in the Federal Register.