Data and Tools

FY2016 National Clean Diesel (Diesel Emissions Reduction Act) Programmatic Terms and Conditions

Fiscal Year 2016 program specific terms and conditions for National Clean Diesel.

FY2015 National Clean Diesel (Diesel Emissions Reduction Act) Programmatic Terms and Conditions

Fiscal Year 2015 program specific terms and conditions for National Clean Diesel.

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United States Environmental Protection Agency Information concerning State Certification

EPA is standardizing the budget narrative information required to be submitted by State governments who apply for federal funds to support their continuing environmental programs.

Multipurpose Grants to States and Tribes Frequent Questions PDF version

These are frequently asked questions about the grant guidance to states and tribes for FY 2016 multipurpose grant funding. EPA will add additional questions and answers as more questions come into the agency.

Participatory Science Webcast Series

webcast on participatory science

Monitoring by Control Technique - Wet Scrubber For Particulate Matter - Documents

Document page for Monitoring by Control Technique - Wet Scrubber For Particulate Matter

15.1 Small Cartridges < 30 mm Ordnance Detonation Test Reports - Documents

AP 42 Section 15.6 Rockets, Rocket Motors, and Igniters - Related Information

AP 42 Section 15.6 Rockets, Rocket Motors, and Igniters
- Related Information

Ethylene Oxide Data Summary from National Air Toxics Trends Stations and Urban Air Toxics Monitoring Program sites

Map of monitoring sites for Air Toxics and Urban Air Toxics

AP 42, Fifth Edition, Volume I Chapter 15: Ordnance Detonation - Documents

AP 42, Fifth Edition, Volume I
Chapter 15: Ordnance Detonation

Download the 2021 Automotive Trends Report (previous year)

Light-Duty reports, tables and appendices for 1975-2020 carbon dioxide and fuel economy trends report.

Data for the Automotive Trends Report

Data for the light-duty vehicles, including EPA's criteria pollutant and GHG standards.

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.

Older Editions of AP 42, Compilation of Air Pollutant Emission Factors - Documents

Red de Transferencia de Tecnología Centro de Información sobre Contaminación de Aire (CICA) para la frontera entre EE. UU. - México