Laws & Regulations

Frequent Questions about TSCA Fees for EPA-Initiated Risk Evaluations

This page addresses questions and concerns raised by stakeholders during the rulemaking process and provides basic information about the fees rule.

New Chemicals Program under TSCA Chemical Categories Document

The categories included in this compilation represent chemicals for which sufficient assessment experience has been accumulated so that hazard concerns and testing recommendations vary little from chemical to chemical within the category.

Combinations of Two or More Substances: Complex Reaction Products on the TSCA Inventory

This paper explains the policies that are applied to listings of reaction product combinations of two or more substances for the Toxic Substances Control Act (TSCA) Chemical Substance Inventory.

Chemical Substances of Unknown or Variable Composition, Complex Reaction Products and Biological Materials (UVCB Substance) on the TSCA Inventory

: This paper a compendium of information related to the broad class of chemical substances referred to as UVCBs for the Toxic Substances Control Act (TSCA) Chemical Substance Inventory.

Memoranda Associated with the Second External Review Draft of Health Risk and Exposure Assessments from the Ozone NAAQS Review Completed in 2015

EPA's Health and Environmental Impacts Division had to make corrections to some of the risk results included in earlier drafts of the Health Risk and Exposure Assessment from the current review of ozone national ambient air quality standards (NAAQS).

Final Monitoring Closure Letter

Final Monitoring Closure Letter for TCEQ Case

Soil Fumigant Labels - Methyl Bromide

Search soil fumigant pesticide labels by EPA registration number, product name, or company, and follow the link to The Pesticide Product Label System (PPLS) for details. Updated labels include new safety requirements for buffer zones and related measures.

Isotopes on the TSCA Inventory

This document is to help the regulated community comply with the requirements of the Toxic Substances Control Act (TSCA) Section 5 Premanufacturing Notice (PMN) Program for chemical substances that contain deliberate isotopic modifications.

State of Texas Partial NPDES Program Authorization for Oil and Gas Discharges

State of Texas Submittal to EPA of Request for Partial NPDES Program Authorization for Oil and Gas Discharges

Ozone (O3) Standards - Other Technical Documents from the Review Completed in 2020

A variety of other technical documents or memoranda may be developed in each review. These may relate to aspects of the risk and exposure assessments, the monitoring network or air quality analyses.

Laws that Protect Beaches and Oceans

The U.S. Environmental Protection Agency implements several laws that regulate sources of water pollution to our coastal beaches and ocean water.

Texas NPDES Permits

NPDES wastewater discharge permits issued in Texas.

Alabama NPDES Permits

NPDES water permits issued in Alabama.