Science & Technology

Perchloroethylene Problem Formulation

PF for perchloroethylene

Methylene Chloride Problem Formulation

PF for Methylene Chloride

Status of Pre-Manufacture Notices reviewed under Section 5 of the Toxic Substances Control Act (TSCA)

On this page PMN, SNUN, exemption notice and modification statuses are explained.

Safer Choice Videos

Videos created by and for the Safer Choice Program to describe the missions and accomplishments of the program

MOVES2014 Training (2015 EIC)

This includes using Emission Rates mode, using Custom Domains, using Project Scale, and using the Nonroad portion of MOVES

Overview of TSCA Inventory Update Reporting (2006)

Information on chemicals manufactured or imported into the United States and listed on the TSCA Chemical Substances Inventory is collected periodically by the EPA.

Section 8(a) PAIR User Guide – Primary Authorized Official

This document presents the user guide for the Office of Pollution Prevention and Toxics (OPPT) ‘Section 8(a) PAIR’ application submission process. This document is the user guide for the Primary Authorized Official (AO) user of the Section 8(a) PAIR tool.

Emissions Inventory Preparation for Air Quality Modeling (Base Year) (2017 EIC)

Introduce the various tasks involved with preparing emissions inputs to air quality models for base (historic) years.

Registration Open for the 2023 Safer Choice Partner of the Year Awards and Stakeholder Summit

The U.S. Environmental Protection Agency (EPA) is announcing the upcoming 2023 Safer Choice Partner of the Year Awards Ceremony Oct. 2, and Partner and Stakeholder Summit Oct. 3-4.

Presidential Green Chemistry Challenge: 2007 Greener Reaction Conditions Award

Presidential Green Chemistry Challenge 2007 award winner, Headwaters Technology Innovation, developed a metal nanocatalyst to synthesize hydrogen peroxide directly from hydrogen and oxygen, eliminating hazardous chemicals.