Science & Technology

Port and Goods Movement Emission Inventories

Methodologies for Estimating Port-Related and Goods Movement Mobile Source Emission Inventories

11th Conference on Air Quality Modeling

The 11th Conference on Air Quality Modeling, mandated by Section 320 of the Clean Air Act, held on the EPA RTP Campus from August 12th through 13th, 2015. The conference was public hearing for the
proposed revisions to the Guideline on Air Quality Models.

10th Conference on Air Quality Modeling

The 10th Conference on Air Quality Modeling, mandated by Section 320 of the Clean Air Act, held on the EPA RTP Campus from March 13th through 15th, 2012. This is a public hearing on regulatory air quality model and technique development.

UIC Permit: PAS2D205BCLE

EXCO underground injection control permit

Compliance Activity Reports for Vehicles and Engines

EPA uses a variety of testing and reporting programs to monitor compliance with emissions regulations.

STR0600: Independent Surveyor Reporting for Fuels under National Sampling and Testing Oversight Program (NSTOP)

Instructions for completing the STR0600 quarterly report for the NSTOP.

STR0500: Independent Surveyor Annual Reporting for Fuels

Instructions for completing the STR0500 annual report for the NFSP.

Guidance to Parties Submitting Round-Robin Data to Support Requests for Approval of Alternate Non-VCSB Test Methods

This guidance is for parties to submit accuracy and precision information for determining compliance for non-VCSB test methods.

System Documentation for Nonroad Compression-Ignition (NRCI) Engines

Use these files for the NRCI module in EV-CIS.

Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2015

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 2015.

Basic Information on Fuel Economy Labeling

Basic fuel economy information about the fuel economy labels (window stickers) that appear on cars and light trucks.

Certified Drinking Water Laboratories for Systems in Wyoming and on Tribal Lands in EPA Region 8

Certified drinking water lab list for water operators.

Risk Assessment and Modeling - Ozone Risk Analyses

Risk characterization as a description of the nature and magnitude of human or ecological risk and the attendant uncertainties.

2021 Targeted Airshed Grant Program - Closed Announcement FY 2021

EPA’s Office of Air Quality Planning & Standards is soliciting applications

Ozone (O3) Air Quality Standards - Documents from Review Completed in 2008 (including documents related to reconsideration)

Southwest Jefferson County Mining National Priority List (NPL) Superfund Site, Jefferson County, Missouri - Fact Sheet, August 2017

EPA Conducting Remedial Action – Residential Soils

Uniform Federal Policy for Quality Assurance Project Plans Template: Advanced Geophysical Classification for Munitions Response

Final Draft of Uniform Federal Policy for Quality Assurance Project Plans Template Geophysical Classification for Munitions Response with included response template.