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EPA/OLEM RIN: 2050-AE87 Publication ID: Fall 2023 
Title: Revisions to the National Oil and Hazardous Substances Pollution Contingency Plan; Subpart J Product Schedule Listing and Authorization of Use Requirements 
Abstract: Pursuant to the Clean Water Act, the Environmental Protection Agency (EPA) prepares a schedule identifying dispersants, other chemicals, and other spill mitigating devices and substances, if any, that may be used in carrying out the National Contingency Plan (NCP); and the waters and quantities in which they may be used. The EPA proposed to revise Subpart J of the NCP to address the efficacy, toxicity, environmental monitoring of dispersants, other chemical and biological agents, and other spill mitigating substances, as well as public, state, local, and federal officials' concerns on their authorization and use. Specifically, the Agency is considering finalizing revisions to the technical product requirements under Subpart J, including amendments to the effectiveness and toxicity testing protocols, and establishing new effectiveness and toxicity thresholds for listing certain products on the NCP Product Schedule. Additionally, the Agency is considering finalizing amendments to requirements for agent use authorization. The Agency is also considering finalizing revisions to harmonize 40 CFR part 110.4 with the definitions for chemical and biological agents proposed for Subpart J. These changes were finalized on May 31, 2023 help ensure that chemical and biological agents have met rigorous efficacy and toxicity requirements, that product manufacturers provide important use and safety information, and that the planning and response community is equipped with the proper information to authorize and use the products in a judicious and effective manner. 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Completed Actions 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 110    40 CFR 300   
Legal Authority: 33 U.S.C. 1321(b)(3)    33 U.S.C. 1321(c)(2)    33 U.S.C. 1321(d)(2)    33 U.S.C. 1321(j)    33 U.S.C. 1321(c)(1)    33 U.S.C. 1321(b)(4)    33 U.S.C. 1321(a)    33 U.S.C. 1361(a)   
Legal Deadline:
Action Source Description Date
Final  Judicial  20-cv-00670-WHO; 8/9/21.  05/31/2022 
Action Date FR Cite
NPRM  01/22/2015  80 FR 3380   
Final Rule  06/12/2023  88 FR 38280   
Additional Information: EPA-HQ-OPA-2006-0090.
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State, Tribal 
Small Entities Affected: Businesses  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:   Public Comment URL:  
Sectors Affected: 211 Oil and Gas Extraction; 325 Chemical Manufacturing; 424 Merchant Wholesalers, Nondurable Goods; 541 Professional, Scientific, and Technical Services; 562 Waste Management and Remediation Services 
RIN Data Printed in the FR: No 
Agency Contact:
Gregory Wilson
Environmental Protection Agency
Office of Land and Emergency Management
Mail Code 5104A, 1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 564-7989

Vanessa Principe
Environmental Protection Agency
Office of Land and Emergency Management
1200 Pennsylvania Avenue NW, Mail Code 5104A,
Washington, DC 20460
Phone:202 564-7913