40 CFR Part 52 - APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS

Authority:
Editorial Note:
Nomenclature changes to part 52 appear at 81 FR 74586, Oct. 26, 2016.
Editorial Note:
Nomenclature changes to part 52 appear at 81 FR 74586, Oct. 26, 2016.
Editorial Note:
Nomenclature changes to part appear at 81 FR 74586, Oct. 26, 2016.
[40 FR 5521, Feb. 6, 1975]