Science & Technology

Significant New Use Rules on Certain Chemical Substances (19-4.B)

EPA is proposing a significant new use rule (SNUR) under the Toxic Substances Control Act (TSCA) for one chemical substance which was the subject of a premanufacture notice (PMN), P-11-482.

SAM and the U.S. Centers for Disease Control and Prevention (CDC) Laboratory Response Network (LRN)

Selected Analytical Methods.

Fluxapyroxad Request for Exclusive Use Extension and Response

Petition(s) and Response(s) for Fluxapyroxad

Outreach and Other HAB Resources

Information related to Outreach and Other HAB Resources

Rescheduled: EPA and HUD Holding Virtual Workshop on Revisiting Definition of Lead-Based Paint

Buoyant Force Calculations

Find out how buoyant force calculations are used to determine if a secondary containment unit complies with the pesticide containment regulations.

Presentations at 2013 Pollinator Summit --Seed Treatment Application

Presentations on value of seed treatment, preparation of seeds for treatment, and application processes that minimize dust with the goal of reducing honey bees' risk of exposure to pesticides, particularly neonicotinoid insecticides.

EPA EcoBox Tools by Receptors - Endangered, Threatened or Other Species of Concern

Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases

Best Management Practices for Lead Outdoor Shooting Ranges

This manual provides owners and operators of outdoor rifle, pistol, trap, skeet and sporting clay ranges with information on lead management at their ranges.

Electronic Submission Portal Resources; PIPs Rule Sample Documents

Sample documents for requesting EPA confirmation of exemption eligibility for PIPs

Register for Part Two of EPA’s Webinar Series on Reviewing Mixed Metal Oxides

National Estuary Program (NEP) Library

Materials, factsheets and reports about the National Estuary Program.

EPA Drinking Water Health Advisories for Cyanotoxins

Information related to the EPA Drinking Water Health Advisories for Cyanotoxins

Onsite Renewable Energy at EPA

This page discusses EPAs efforts for reducing the greenhouse gas emissions associated with traditional electricity generation and meeting federal requirements in its facilities.

How do I use MOVES at Project Scale?

See More Frequent Questions about MOVES and Related Models . The MOVES model can estimate emissions at national, county or project scale. Project scale is useful for estimating an individual transportation project like an intersection or transit project, but it requires detailed inputs that describing the vehicle population and activity…

Last published: July 14, 2025

How do I Model Emissions at an Intersection?

See More Frequent Questions about MOVES and Related Models . MOVES2014b is a comprehensive mobile source emissions model and operates at multiple scales. "Project scale" in MOVES is specifically designed for this type of intersection analysis. You can download the model here: Latest Version of MOtor Vehicle Emission Simulator (MOVES)…

Last published: July 14, 2025

How Do I Get Emission Factors or Inventory Totals for Nonroad Equipment Aggregated by the Various Categories used by MOVES?

See More Frequent Questions about MOVES and Related Models . We have included a set of post-processing scripts that take the results of a Nonroad run and generate other output options. These scripts are all available in the MOVES graphical user interface in the Post Processing pull-down menu under “Run…

Last published: July 14, 2025