Laws & Regulations

Oklahoma SIP: OK 252:100 Appendix G, Allowable Rate of Emissions (Subchapter 27)

EPA's Permit for the Massachusetts Water Resources Authority (MWRA) Deer Island Treatment Plant Outfall and CSOs

In fall 2000, the Massachusetts Water Resources Authority (MWRA) completed a multibillion dollar sewage treatment facility on Deer Island in Boston Harbor.

Inert Reassessment Document for [alpha]-Pinene - CAS No. 25766-18-1

Reassessment Decision Document for [alpha]-Pinene

Pesticide Product Information System (PPIS)

PPIS includes registrant name and address, chemical ingredients, toxicity category, product names, distributor brand names, site/pest uses, pesticidal type, formulation code, and registration status for all products registered in the U.S.

Inert Reassessment Document for Petroleum wax, conforming to 21 CFR 172.886(d)

Reassessment Decision Document for Petroleum wax, conforming to 21 CFR 172.886(d)

Region 7 BIL and IRA Grants Information

This information provides a high-level overview of current and upcoming funding opportunities that will help you get ready to access the unprecedented funds from the Bipartisan Infrastructure Law (BIL) and Inflation Reduction Act (IRA).

State/Territory/Navajo Nation Annual Public Water Systems Compliance Report

Provides links to annual public water systems (PWS) compliance reports for states, territories, and tribes with enforcement primacy.

Area Contingency Planning

Overview of contingency planning at the facility, area, national and international level.

Important OCIR (SCAS)PDF Documents

This page will hold important OCIR SCAS PDF docs.

City of Decatur, Arkansas - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against the city of Decatur, Arkansas, for alleged violations associated with the management of sewage sludge in or around Decatur,

New Source Review (NSR) Actual-to-Projected Actual Memorandum

This document is part of the NSR Policy & Guidance Database.

Physical Change or Change in the Method of Operation

Explanation of Physical Change or Change in the Method of Operation

Halons Program

Learn about EPA's effort to address ozone layer depletion by establishing installation, handling, and emissions requirements for halon fire suppression systems.

L.P. Gill, Inc. - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against L.P. Gill, Inc. for alleged violations of the CWA associated with industrial activity at 1402 Highway 20, Jackson, Nebraska.

Air Quality Designations for Sulfur Dioxide

This area provides information on the process EPA, the states, and the tribes follow to designate areas as attainment (meeting) or nonattainment (not meeting) the sulfur dioxide air quality standards.

Introduction to the 2023 TRI National Analysis

Introduction to the Toxics Release Inventory National Analysis, including an overview of release and waste management quantities reported.

Urban Runoff: Model Ordinances for Aquatic Buffers

Aquatic Buffers serve as natural boundaries between local waterways and existing development. The model and example ordinaces below provide suggested language or technical guidance designed to create the most effective stream buffer zones possible.

Reactivation of a Shutdown Source

Explanation of the meaning of Reactivation of a Shutdown Source

New Chemicals Division Reference Library

This is an index of policy documents (already published and public facing on our webpage) to make it easer for our constituents to find them.

Section 508 Requirements for Grantees

This page is to introduce EPA grantees to digital accessibility commonly referred to as Section 508. Any deliverable created using funds from or on behalf of the EPA shall be digitally accessible.