Science & Technology

How can I run MOVES3 for the entire U.S or for an entire year?

See More Frequent Questions about MOVES and Related Models . The most accurate national MOVES runs are done for every county and hour and then averaged together in the output, but, depending on your intended use of the results, it’s also possible to pre-aggregate the MOVES inputs to run the…

Last published: December 1, 2025

AVERT Tutorial: Statistical Module: Overview

Find directions and steps for using the Statistical Module.

Radiological Preparedness & Response: Advisory Team for Environment, Food and Health

The Advisory Team for Environment, Food and Health (Advisory Team) is a radiological emergency response group tasked with providing protective action recommendations to state and local governments on behalf of its member agencies.

Hydrant Sampler Procedure and Parts Lists

Procedure and parts to buy for sampling drinking water at a hydrant.

Is Anaerobic Digestion Right for Your Farm?

Series of questions to find out if your facility may be a good candidate for anaerobic digestion.

Calculated Flush Time (CFT) or Calculated Flush Volume (CFV) Approach for Representative Distribution System Chlorine and Disinfection Byproduct (DBP) Sample Collection from Building Taps

Approach to collecting drinking water samples from building taps.

U.S. Government’s International Methane Mitigation Activities: 2022 Accomplishments

The U.S. Government’s Global Methane Initiative Accomplishments ANNUAL REPORT (2022)

U.S. Government GMI Accomplishments: 2017 Annual Report

The U.S. Government’s Global Methane Initiative Accomplishments ANNUAL REPORT (2016)

Alternative Means of Emission Limitation for Leak Detection and Repair

This page consolidates EPA action on AMEL requests for LDAR.

EPA's Report on the Environment (ROE)

This is the EPA's Report On the Environment (ROE) which compiles the most reliable indicators currently available to answer 23 important questions that EPA believes are critical to it's mission of protecting human health and the environment.

Consolidated Human Activity Database (CHAD)

The CHAD database includes nearly 180,000 individual study days of detailed human behavior, with each day broken down into individual hours and activity types.

2016v2 Platform

The 2016v2 emissions modeling platform

National Program Manager for Regional Laboratories Activities

The National Program Manager for Regional Laboratories (NPM) was created in 2019 to support EPA’s efforts to strengthen the Agency’s Regional Laboratories and to support the Laboratory Enterprise (LE), working closely with Regional and other EPA offices.

Emissions Modeling Tools

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Enbridge Line 5 ROV Inspection Letter Report

Enbridge's Line 5 biota investigation workplan and approval

Construction, Part of Indoor Air Quality Design Tools for Schools

Poor job-site construction practices can frustrate even the best design by allowing moisture and other contaminants to become potential long term problems. Preventive job-site practices will reduce the potential for residual problems with IAQ

Air Sampling Logbook of Region 4 Yellow Bluff Air Study Wilcox County, Alabama SESD Project Identification Number:11-0068

Contains the Air Sampling Logbook between 1-24-2011 thru 1-28-2011 from the Region 4 Yellow Bluff Air Study Wilcox County, Alabama SESD Project Identification Number:11-0068 November 2010-December 2010