Science & Technology

Dasymetric Toolbox

Dasymetric mapping is a geospatial technique that uses additional information, such as landcover types, to more accurately distribute data that has been assigned to arbitrary boundaries, such as census blocks.

2019 RFA for the Integrated Atmospheric Deposition Network

Request for Applications for a cooperative agreement for a project to continue the long-term air deposition monitoring of persistent toxics around the Great Lakes.

Voluntary Guidelines for Methamphetamine and Fentanyl Laboratory Cleanup - Document

provides technical guidance for state and local personnel responsible for meth lab cleanup, based on an extensive review of the best available science and practices, and addresses general cleanup activities, specific items/materials, sampling.

Proposed Rules for GHG Reporting Documents

Proposed rule documents for the GHGRP

EPA Researchers Recruiting Participants for Study to Develop SARS-CoV-2 Salivary Antibody Assay

EPA researchers are adapting an existing salivary antibody test for waterborne pathogens to test for antibodies to SARS-CoV-2, the virus that causes COVID-19.

The Frank R. Lautenberg Chemical Safety for the 21st Century Act

The new law includes much needed modernizations to TSCA, the only major piece of environmental legislation that had not been updated since it was passed in the fall of 1976.

Program Contacts for Watershed Implementation Plans and Milestones in the Chesapeake Bay Watershed

This page provides the contact information for EPA staff members that evaluate the watershed implementation plans (WIPs) and milestones.

EPA Interim Evaluation of 2016-2017 Milestone Progress in the Chesapeake Bay Watershed

This page provides the EPA interim evaluations of the 2016-2017 milestones for the Chesapeake Bay TMDL. These interim assessments provide a mid-point check on the progress made on the 2016-2017 milestones, recognizing the achievements made in 2016.

Basic Information about the Charles River Buoy

See diagrams of the Water Monitoring buoy in the Charles River outside Boston's Museum of Science. Learn about the data it collects and its uses.

Basic Information about the Mystic River Buoy

Information and diagrams of the Mystic River buoy in action.

Scripting Estuary Data Mapper

Describes how to use Estuary Data Mapper's scripting capability for hands-off running of the application in batch mode.

Big River Mine Tailings National Priorities List (NPL) Superfund Site, St. Francois County, Missouri - Fact Sheet, August 2021

Remedial Action for Residential Soils Update

Oronogo-Duenweg Mining Belt National Priorities List (NPL) Superfund Site, Jasper and Newton Counties, Missouri – Fact Sheet, August 2022

Remedial and Removal Actions Site Update

Peer review for Bristol Bay Assessment

Peer review process and documents for EPA's Bristol Bay Assessment.

Shellfish Harvesting

An assessment of shellfish harvesting beaches in the Salish Sea. Part of the U.S. EPA and Environment and Climate Change Canada's Health of the Salish Sea Ecosystem Report.

Toxics in the Food Web

An assessment of metals and persistent organic pollutants such as PCBs and PBDEs in the Salish Sea. Part of the U.S. EPA and Environment and Climate Change Canada's Health of the Salish Sea Ecosystem Report.

Chinook Salmon

An assessment of Chinook salmon abundance in the Salish Sea. Part of the U.S. EPA and Environment and Climate Change Canada's Health of the Salish Sea Ecosystem Report.

Proposed Rule - Phasedown of Hydrofluorocarbons: Establishing the Allowance Allocation and Trading Program under the AIM Act

This proposed rule is the first regulation under the American Innovation and Manufacturing (AIM) Act of 2020 to address the production and consumption of hydrofluorocarbons (HFCs)

Understanding Exposures in Children’s Environments

EPA scientists have conducted a series of studies to provide a better understanding of the chemical sources, pathways and routes of exposure, and other factors that contribute most to children’s exposures to chemicals.

U.S. Virgin Islands Impaired Waters List

The documents detail the U.S. Virgin Islands' impaired waters list.