Laws & Regulations

EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Alaska SIP

Sulfur Dioxide (SO2) Air Quality Standards - Documents Prior to Review Completed in 2010

Sulfur Dioxide (SO2 Secondary) Air Quality Standards - Documents Prior to Review Completed in 2012

EPA Settles with Four Companies to Improve Community Safety, Chemical Reporting

U.S. Environmental Protection Agency (EPA) has taken action against four companies in New York, New Jersey and Puerto Rico for failing to report the use of hazardous chemicals, as required by Emergency Planning and Community Right-to-Know Act (EPCRA).

Release Date: September 30, 2025

HFC Allowance Allocation and Reporting

Page outlining HFC allowance allocation rules

Administrative Consequences Under the HFC Allocation Rule

This page illustrates administrative consequences for activities including, but not limited to, submitting false, inaccurate, or misleading information, as well as importing HFCs, without expending the requisite that have been issued as of March 31, 2022.

Status of Tribal Air Permits in Region 7

Status of Air Permits issued on Tribal lands in EPA Region 7

Federally Promulgated Water Quality Standards for Specific States, Territories, and Tribes

Fact Sheet: Toluene Diisocyanate (TDI) and Related Compounds

EPA's existing chemicals programs address pollution prevention, risk assessment, hazard and exposure assessment and/or characterization, and risk management for chemicals substances in commercial use.

Possible Approaches for Identifying Potential Candidates for Prioritization Public Meeting

Agenda and meeting materials for the December 11, 2017 Public Meeting

Fact Sheet: N-Methylpyrrolidone (NMP)

Questions and answers for N-Methylpyrrolidone (NMP).

Regulatory Actions for Stationary Engines

Information about current regulations that apply to stationary engines.

TRI-Covered Industry Sectors

List of all North American Industry Classification System (NAICS) codes covered by Section 313 of the Emergency Planning and Community Right-to-Know Act (Toxics Release Inventory Program).

Addition of Diisononyl Phthalate Chemical Category Rule

In 2000, EPA proposed to add a Diisononyl Phthalate Category to the TRI chemical list, based on this chemical's carcinogenicity and liver, kidney, and developmental toxicity.

Pollution Prevention (P2) and TRI

The TRI Program the collects information that can be used to track environmental progress at industrial facilities and highlight effective environmental practices.

TRI Laws and Regulatory Activities

Find out about the laws, executive orders, and rulemakings related to the TRI Program.

Human Health Noncarcinogen Fact Sheet for Ethylbenzene: (Human Health Noncarcinogen - fish ingestion only), Ohio Environmental Protection Agency

Ethylbenzene criteria summary, exposure data, references

Human Health - water ingestion only Fact Sheet for Boric acid, borates and metaborates (as boron): (Human Health Noncarcinogen - water ingestion only), New York State Department of Environmental Conservation

Boric acid summary information and derivation of value