Laws & Regulations

Notification: Audit of the EPA’s Fiscal Year 2025 Compliance with the Payment Integrity Information Act of 2019

California's 2012 Section 303(d) List of Impaired Waters

EPA approval of California's 2012 Section 303(d) list of impaired waters in three Regional Water Quality Control Boards and disapproved the omission of mercury impairment at Topaz Lake which met federal listing requirements.

EPA and CARB Approve Emissions Fix for Audi Diesel 3.0 Liter Diesel Passenger Cars

EPA and CARB to Volkswagen approves emissions Fixes for Audi Diesel 3.0 Passenger Cars. (December 2017)

Notification: Audit of the EPA’s Approval of Earmark Grant Recipient Payment Requests

Renewable Fuel Standard (RFS2): Final Rule

The new renewable fuel standards increase the volume of renewable fuel required to be blended into transportation fuel to 36 billion gallons by 2022.

Technology Transitions HFC Restrictions by Sector

Background on Subsection (i)

Fact Sheet: SNAP Determination of Acceptability (Notice 37)

Under section 612 of the Clean Air Act, EPA reviews substitutes within a comparative risk framework. EPA lists these substitutes as acceptable, acceptable subject to use conditions, acceptable subject to narrowed use limits, or unacceptable (prohibited).

Protection of Stratospheric Ozone: New Listings for the Significant New Alternatives Policy Program in the Refrigeration & Air Conditioning, Foam Blowing, and Fire Suppression Sectors

This determination of acceptability (Notice 36) expands EPA’s SNAP list of acceptable substitutes, providing industry with more options in the refrigeration and air conditioning, foam blowing, and fire suppression sectors.

LGAC Meetings (2021 and Earlier)

Reivew meeting agendas and meetings notes from Local Government Advisory Committee (LGAC) meetings held in 2019 and earlier.

RadNet Operator Definition

RadNet is a national network monitoring stations that regularly samples the nation's air, precipitation, drinking water, or pasteurized milk for a variety of radionuclides and radiation types.

TRI and Toxic Releases: What You Can Do

Some suggested resources and actions for people using TRI data.

Addition of Certain Per- and Polyfluoroalkyl Substances to the Toxics Release Inventory

Regulation to to add 16 individual per- and polyfluoroalkyl substances (PFAS) and 15 PFAS categories representing over 100 individual PFAS to the Toxics Release Inventory (TRI) and to designate them as chemicals of special concern.

2014-2016 Version 7 Air Emissions Modeling Platforms

The 2014-2016 Version 7 emissions modeling platforms are based on 2014 NEIv2.

TRI Pollution Prevention (P2) Resources

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

Ethylene Oxide Commercial Sterilization and Fumigation Operations National Emission Standards for Hazardous Air Pollutants (NESHAP)

The purpose of this document is to provide implementation materials to assist in conducting complete and efficient inspections at ethylene oxide commercial sterilization and fumigation operations to determine compliance with the NESHAP

Including Energy Efficiency and Renewable Energy Policies in Electricity Demand Projections

Find more information on how state and local air agencies can identify on-the-books EE/RE policies, develop a methodology for projecting a jurisdiction's energy demand, and estimate the change in power sector emissions.

Alternative Demonstration Approach for the 2024 Secondary Sulfur Dioxide National Ambient Air Quality Standard under the Prevention of Significant Deterioration Program

Alternative Demonstration Approach for the 2024 Secondary Sulfur Dioxide National
Ambient Air Quality Standard under the Prevention of Significant Deterioration Program