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Regulations last checked for updates: May 16, 2025
Title 40 - Protection of Environment last revised: Nov 16, 2025
All Titles
Title 40
Chapter I
Part 118 - PART 118—CLEAN WATER ACT HAZARDOUS SUBSTANCES FACILITY RESPONSE PLANS
§ 118.1 - Purpose.
§ 118.2 - Definitions.
§ 118.3 - Applicability.
§ 118.4 - General requirements.
§ 118.5 - Regional Administrator determination of substantial harm and significant and substantial harm.
§ 118.6 - Appeals process.
§ 118.7 - Petitions.
§ 118.8 - Exceptions and exemptions.
§ 118.9 - Mixtures.
§ 118.10 - Worst case discharge.
§ 118.11 - Facility response plan requirements.
§ 118.12 - § 118.12 Coordination Activities.
§ 118.13 - § 118.13 Facility response training, drills, and exercises.
Appendix Appendix A - Appendix A to Part 118: Substantial Harm Certification Form
Appendix Appendix B - Appendix B to Part 118—Toxicity Endpoints for Calculating Planning Distance for Fish, Wildlife and Sensitive Environments and Public Receptors
authority:
33 U.S.C. 1251
source:
89 FR 21955, Mar. 28, 2024, unless otherwise noted.
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