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Final ruleTook effect Aug. 21, 2026

EPCRA Hazardous Chemical Inventory Reporting Requirements: Conformity With the 2024 OSHA Hazard Communication Standard

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register June 22, 2026. Document 2026-12426. Updated Nov. 9, 2026.

What it does

The Environmental Protection Agency is conforming the Emergency Planning and Community Right-to-Know Act hazardous chemical inventory reporting regulations to the Occupational Safety and Health Administration's Hazard Communication Standard amendments of 2012 and 2024. The Emergency Planning and Community Right-to-Know Act (EPCRA) and its regulations rely on the Occupational Safety and Health Administration's (OSHA's) Hazard Communication Standard for the definition of a hazardous chemical and for the categories of health and physical hazards that must be reported under the hazardous chemical inventory regulations. This action conforms the terminology used and information that must be reported on the hazardous chemical inventory forms to the Hazard Communication Standard amendments. As a result, this action improves first responder and community safety, reduces discrepancies and confusion, prevents interpretation burdens on facilities when using (Material) Safety Data Sheets to complete annual hazardous chemical inventory reports, and enhances clarity.

The Environmental Protection Agency's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 370

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Environmental Protection Agency has published 243 final rules in 2026 so far, compared with 263 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

Effective date: This final rule is effective August 21, 2026.

The agency's dates, word for word.

Document number2026-12426
ActionFinal rule.
AgenciesEnvironmental Protection Agency
PublishedJune 22, 2026
Effective dateAug. 21, 2026
Regulation identifier (RIN)2050-AH40
DocketEPA-HQ-OLEM-2025-0299

Source: the Federal Register (public domain). The document in the Federal Register