Science & Technology

Estimating Greenhouse Gas Emissions

Resources for state and local planners interested in estimating on-road greenhouse gas emissions and assessing the impact of specific travel efficiency strategies.

Guidance & Training

Access guidance and training for Superfund site assessment processes, including pre-CERCLA Screening, Preliminary Assessment/Site Inspection, and Hazard Ranking System.

ECMPS Reporting Instructions

Learn how to submit and report to EPA a monitoring plan, QA certification test, and monitored emissions of sulfur dioxide (SO2), nitrogen oxides (NOx), carbon dioxide (CO2) and mercury (hg).

EPA SBIR Factsheet

The U. S. Environmental Protection Agency (EPA) SBIR Program supports small businesses (500 or fewer employees) to develop and commercialize new environmental technologies.

Ozone (O3) Air Quality Standards - Federal Register Notices from Current Review

Federal Register notices for the variety of activities conducted in a NAAQS review.

Light-Duty Vehicle Trends Since 1975 (Infographic)

Infographic for Light-Duty Vehicle Trends Since 1975

Presidential Green Chemistry Challenge: 2002 Greener Reaction Conditions Award

Presidential Green Chemistry Challenge 2002 award winner, Cargill Dow, developed the NatureWorks process to make biobased, compostable, and recyclable polylactic acid polymers for fibers and plastic packaging.

Light-Duty Vehicle Trends Since 1975 (Text Only)

Text Only version for infographic of Light-Duty Vehicle Trends Since 1975.

April 27, 2017 Stakeholder Workshop Presentation: EPA Greenhouse Gas Data on Petroleum and Natural Gas Systems

This is an EPA stakeholder workshop presentation on oil and gas emissions in the 2017 U.S. Inventory of Greenhouse Gas Emissions and Sinks.

Supporting Materials: October 2018 Stakeholder Workshop on GHG Data for Natural Gas and Petroleum Systems

2019 GHGI June 2018 Webinar Supporting Materials

Washington County Lead District Fact Sheets

List of fact sheets for Superfund sites in the Washington County Lead District

Supporting Documentation APEX/TRIM.Expo Inhalation Model

Human exposure modeling relates pollutant concentrations in the larger environmental media to pollutant concentrations in the immediate exposure media.

Next Generation Emission Measurement (NGEM) Research for Fugitive Air Pollution

EPA is researching next generation technologies to detect and correct unanticipated emissions of air pollutants from leaks, industrial processes, and other sources.

EPA Region 2 GIS Deliverables Guidance

This page is intended to provide specific requirements and file delivery formats for all GIS materials developed in support of EPA Region 2 projects.

Benchmark Dose Software User Guide (November 2024)

Download page for BMDS User Guide

Baseline Year for the Baseline Year Test (in 40 CFR 93.119)

EPA OTAQ's State and Local Transportation Resources are for air quality and transportation government and community leaders. Updates on the adequacy of state implementation plans (SIPs), and transportation conformity regulations and guidance

Best Practices Near Roadway

The publication "Best Practices for Reducing Near-Road Pollution Exposure at Schools" helps school communities identify strategies for reducing traffic-related pollution exposure at new and existing schools.

Clean Diesel Technology

This page provides links to the Clean Diesel verification process for manufacturers and the verified lists and information for fleet owners and operators.

Manuals Used in the National Aquatic Resource Surveys

Various manuals are used to communicate the methods and guidelines for the National Aquatic Resource Surveys. The Field Operations Manual: outlines the field protocols that crews will utilize to sample sites.