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EPA/OCSPP RIN: 2070-AK21 Publication ID: Spring 2019 
Title: Procedures for Review of CBI Claims for the Identity of Chemicals on the TSCA Inventory 

As part of EPA's continuing efforts to implement the Frank R. Lautenberg Chemical Safety for the 21st Century Act, which amended the Toxic Substance Control Act (TSCA) with immediate effect upon its enactment on June 22, 2016, EPA is developing a proposed rule to implement TSCA section 8(b)(4)(C). TSCA section 8(b)(4)(C) requires EPA to issue a final rule within 1 year of EPA's compiling of a list of active substances on the TSCA Inventory pursuant to revised TSCA section 8(b)(4)(A). This proposed rule establishes a plan to review all claims to protect the specific chemical identities of chemical substances on the confidential portion of the active Inventory. The rule must require all manufacturers or processors asserting Confidential Business Information (CBI) claims for the identities of chemicals on the active Inventory to substantiate those claims in accordance with TSCA section 14 unless the manufacturer or processor already substantiated the claim in a submission to EPA during the previous 5-year period. Approved CBI claims will generally be valid for 10 years except as authorized by the statute.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
EO 13771 Designation: Regulatory 
CFR Citation: 40 CFR 10   
Legal Authority: 15 U.S.C. 2607, Toxic Substances Control Act   
Legal Deadline:
Action Source Description Date
Final  Statutory  TSCA section 8(b)(4)(C) requires EPA to promulgate a final rule within 1 year of initial list of active substances on the TSCA Inventory.  02/19/2020 
Action Date FR Cite
NPRM  04/23/2019  84 FR 16826   
NPRM Comment Period End  06/24/2019 
Final Rule  03/00/2020 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:  
Sectors Affected: 325 Chemical Manufacturing 
RIN Data Printed in the FR: No 
Agency Contact:
Scott Sherlock
Environmental Protection Agency
Office of Chemical Safety and Pollution Prevention
1200 Pennsylvania Avenue NW, Mail Code 7408M,
Washington, DC 20460
Phone:202 564-8257
Fax:202 564-8251