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Regulations last checked for updates: May 16, 2025
Title 40 - Protection of Environment last revised: Nov 16, 2025
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Title 40
Chapter I
Part 124
Subpart D - Subpart D—Specific Procedures Applicable to NPDES Permits
§ 124.51 - Purpose and scope.
§ 124.52 - Permits required on a case-by-case basis.
§ 124.53 - State certification.
§ 124.54 - Special provisions for State certification and concurrence on applications for section 301(h) variances.
§ 124.55 - Effect of State certification.
§ 124.56 - Fact sheets.
§ 124.57 - Public notice.
§ 124.58 - [Reserved]
§ 124.59 - Conditions requested by the Corps of Engineers and other government agencies.
§ 124.60 - Issuance and effective date and stays of NPDES permits.
§ 124.61 - Final environmental impact statement.
§ 124.62 - Decision on variances.
§ 124.63 - Procedures for variances when EPA is the permitting authority.
§ 124.64 - Appeals of variances.
§ 124.65 - [Reserved]
§ 124.66 - Special procedures for decisions on thermal variances under section 316(a).
authority:
Resource Conservation and Recovery Act,
42 U.S.C. 6901
source:
48 FR 14264, Apr. 1, 1983, unless otherwise noted.
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