Learn the Issues

Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2010

This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2010.

Emergency Operations Center

EOC serves as the response operational focal point. A communication and coordination hub designed to increase data management and coordination abilities, provides communication support for Watch Officer, Homeland Security, regional and field assets.

National Response Team

Response planning and coordination (not direct response itself) is accomplished at the federal level through the U.S. National Response Team (NRT), an interagency group co-chaired by EPA and U.S. Coast Guard. NRT distributes information, plans, and trains.

Northwest Ports Achievements in Reducing Emissions and Improving Performance

Case history on the status of the Northwest Ports Clean Air Strategy for the Port of Seattle, Port of Tacoma, and Port Metro Vancouver. Presents key objectives, emission and performance goals and outcomes.

General Conformity Training Module 1.3: Background

Module I provides an overview of the program purpose. 1.3 describes why Congress added General Conformity to the CAA and how it is determined.

Dispersants

Also called dispersants, these chemicals used in spill cleanups contain surfactants and/or solvent compounds that act to break petroleum oil into small droplets, which can then break down further in the water.

Types of Refined Petroleum Products

These are derived from crude oils through processes such as catalytic cracking and fractional distillation. Examples described here are gasoline, kerosene, no. 2 fuel oil, no. 4 fuel oil, no. 5 fuel oil, no. 6 fuel oil, and lubricating oil.

Guidance on the General Conformity Regulations

EPA and the FAA developed question and answer guidance documents for the General Conformity Regulations.

General Conformity Training Module I: The Basics

Module I provides an overview of the program purpose, content of the regulations, design of the program, legal requirements, and relationship to other environmental programs.

Construction in Streeterville: What to Do Before You Dig

Before you Dig factsheet, Lindsay Light Sites, Chicago, August 2017

Live Water Quality Data for the Mystic River

Learn more about buoy data collected along the Mystic River.

Live Water Quality Data - Individual Parameter for the Mystic River

View charts of water quality data measured by the Mystic River buoy.

Live Water Quality Data - Synchronized Charts for the Mystic River

View charts of water quality data measured by the Mystic River buoy.

Settlement to Clean Up Contaminated Tailings and Develop 120 Acres of Connected Greenway in Butte, Montana

Summary of the enforcement agreement for cleanup work at the Silver Bow Creek/Butte Superfund site

Tips on P2 Grants Reporting

This page offers the presentation for the P2 reporting webinar held on August 18, 2020.

People, Prosperity, Planet…the Journey to Sustainability: P2 Week and NPPR P2U Kickoff

This P2 webinar celebrated 30 years of the P2 Act, 35 years of NPPR, and 50 years of the EPA. Part of NPPR's P2U Training Series, a collaborative effort between NPPR and EPA Region 4.

How to Use EPA Database Tools to Help Identify Potential Pollution Prevention Opportunities and Solutions at Manufacturing Facilities

Presentation for P2 tools webinar, July 16, 2020.