Science & Technology
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Basic Information about Water Reuse
Basic Information about Water Reuse
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FEDFacts: Information about the Federal Electronic Docket Facilities
FEDFacts features nearly 2400 Federal Agency Hazardous Waste Compliance Docket (Docket) sites with the goal of providing greater transparency to site specific information by making information available on a simple, user-friendly interface.
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U.S. EPA National Pet Health Survey Poster
EPA and the One Health Commission administered The National Pet Health Survey to gather voluntary information from pet owners to evaluate health trends in cats and dogs across the United States.
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Pesticide Analytical (PESTAN) Model
The PESTAN (Pesticide Analytical) model is a computer code for estimating the transport of
organic solutes through soil to groundwater. -
Drinking Water Health Advisories for GenX Chemicals and PFBS
Drinking Water Health Advisories for GenX Chemicals and PFBS
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Environmental Value of Applying Compost
This EPA report synthesizes the published science about the benefits of compost application in a variety of sectors.
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About the TSC
The Tribal Science Council (TSC) is a forum for interaction between Tribal and EPA representatives to work collaboratively on environmental science issues. The TSC is committed to the development of sound scientific approaches to meet the needs of Tribes.
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Remediation Evaluation Model for Chlorinated Solvents (REMChlor)
This model simulates the transient effects of groundwater source and plume remediation. This model also calculates cancer risks posed by carcinogenic species.
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Vadose Zone Leaching (VLEACH)
VLEACH is a one-dimensional, finite difference model for making preliminary assessments of the effects on groundwater from the leaching of volatile, sorbed contaminants through the vadose zone.
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Wellhead Protection Area (WHPA) Model
WHPA is a semi-analytical groundwater flow simulation program used for delineating capture zones in a wellhead protection area.
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Combined Air Emissions Reporting Project
This page describes what the CAER project is and what the CAERS reporting system is.
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EPA Response to RFR 19001A appeal: issued 01/15/2020
This document is the IQG Executive Panel's final determination for this appeal RFR 19001A concerning the Bristol Bay Watershed Assessment
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2021 Dera Tribal and Insular Area Grants - Closed Announcement FY 2021
EPA’s Office of Air Quality Planning & Standards is soliciting applications
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RFR 17002A Withdrawal Letter Received 03/01/2021
RFR 17002A Withdrawal Letter Received 03/01/2021
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Frequent Questions About the EMC
Frequent Questions about the Air Emission Measurement Center (EMC)
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Addressing Emerging Contaminants in Wastewater Treatment Systems Webinar Archive
This EPA Tools & Resources webinar provides overview of work to develop a framework of wastewater treatment processes, focusing on removal rates of certain emerging contaminants, as well as associated life cycle costs and environmental impacts.
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Meet EPA Scientist Rachael Leta-Graham
EPA scientist Rachael Leta-Graham (she/her) is a physical scientist interested in bridging gaps and finding common ground in environmental work performed by federal government and non-governmental organizations (NGOs). Since 2016, Rachael has served as the
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Introduction to Using Excel Spreadsheets to Assist in Developing Quality Assurance Project Plans
Part of a tool designed to assist in developing a QAPP for projects that involve surface or groundwater monitoring or the collection and analysis of water samples.
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Chemical and Products Database (CPDat)
CPCat (Chemical and Product Categories) is a database containing information mapping more than 43,000 chemicals to a set of terms categorizing their usage or function.
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Aquatic Life Benchmarks and Ecological Risk Assessments for Registered Pesticides
Each Aquatic Life Benchmark is based on the most sensitive, scientifically acceptable toxicity endpoint available to EPA for a given taxon (for example, freshwater fish) of all scientifically acceptable toxicity data available to EPA.