Science & Technology

Adapting to climate change in the Pacific Northwest and Alaska

Climate adaptation resources for Tribes in Alaska, Idaho, Oregon, and Washington (EPA's Region 10).

Freshwater Explorer

EPA's Freshwater Explorer provides information about background and observed salt and mineral content for freshwater streams, lakes, and wells in all 50 U.S. states, Puerto Rico, and the U.S. Virgin Islands.

Caney Residential Yards National Priorities List (NPL) Superfund Site, Caney, Montgomery County, Kansas – Fact Sheet, May 2025

Residential Yard Testing and Cleanup Opportunity; Remedial Action Site Update

Emergency Response Research Webinar Series

EPA's ORD offers free, public webinars on emergency response and homeland security research efforts and results. Recordings of previous webinars are also available.

Frequent Questions About Air Sensors

This page provides answers to common questions about the use of air sensor technology to measure air quality conditions.

Test Guidelines for Pesticides and Toxic Substances

Documents that specify methods EPA recommends to generate data submitted to EPA to support the registration of a pesticide, setting of a tolerance or tolerance exemption for pesticide residues, or the decision making process for an industrial chemical.

Final National Level Listed Species Biological Evaluation for Imidacloprid

EPA has drafted Biological Evaluations (BEs) for two additional pilot chemicals: Imidaclopridl. The draft BEs are based on interim methods developed in conjunction with FWS, NMFS and USDA in response to the National Academy of Science report.

Final National Level Listed Species Biological Evaluation for Thiamethoxam

EPA has drafted Biological Evaluations (BEs) for two additional pilot chemicals: Thiamethoxam. The draft BEs are based on interim methods developed in conjunction with FWS, NMFS and USDA in response to the National Academy of Science report.

Agenda and Presentations for the June 8 and 9, 2017 Chemical Data Reporting (CDR) Inorganic Byproducts Negotiated Rulemaking Committee Meeting

The agenda and presentations for the Chemical Data Reporting (CDR) Inorganic Byproducts Negotiated Rulemaking Committee.

Freshwater Explorer Quick Guide

Freshwater Explorer quick start guidance

Meeting Materials for the May 21-23, 2013 Scientific Advisory Panel

Meeting Materials for the May 21-23, 2013 Scientific Advisory Panel on Endocrine Disruptor Screening Program (EDSP) Tier I Assay and Battery Performance

TSCA Section 13 Import Compliance Checklist

This checklist provides help for chemical importers to determine how to certify their chemical imports in order to comply with the regulatory requirements under section 13 of the Toxic Substances.

Rinses from Selected Fluorinated and Non-Fluorinated HDPE Containers

On March 5, 2021, EPA released testing data showing PFAS contamination from the fluorinated HDPE containers used to store and transport a mosquito control pesticide product.

Recommendations for Estimating Transport Between Environmental Compartment (Fugacity) for Existing chemicals, including HPV chemicals

provides recommendations for estimating transport between compartments for chemicals