Science & Technology
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Protecting Our Pets Through Research, Technology, and the National Pet Health Survey
EPA scientists are helping prevent pets from being exposed to harmful contaminants and infectious agents.
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Meet EPA Chemist Lisandra Santiago-Delgado Trine
EPA chemist Lisandra Santiago-Delgado Trine analyzes water samples from across the nation to study how certain elements move through environmental systems.
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EPA’s Stormwater Calculator Gets An Update
EPA's stormwater calculator is now available as a mobile web application.
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Swimming Upstream: Research to Protect Salmon Habitat in the Columbia River
EPA scientists in Corvallis, Oregon, are creating detailed digital models of local river systems and tracking populations of salmon and steelhead as they migrate upstream.
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Meet EPA Environmental Engineer Joseph Wood
Joseph works in EPA’s National Homeland Security Research Center. His research focuses primarily on developing and testing decontamination techniques to inactivate spores of Bacillus anthracis, the cause of anthrax disease.
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EPA Researchers Work with Oklahoma Partners to Evaluate Ecological Conditions of Wadeable Streams and Restore Valuable Water Resources
EPA researchers worked with partners in Oklahoma to refine their current biological indices. The goal of this effort was to improve bioassessments based on fish and macroinvertebrate assemblages in wadeable streams throughout the state.
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Linking Minnesota Land Cover Changes to Drinking Water Treatment
EPA scientists are working with communities in Minnesota to look at the effects of land cover changes on drinking water treatment.
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May 28 Webinar on Air Quality and Healthy Hearts: Progress and Remaining Challenges
Join our May 28 webinar that will highlight EPA research and new findings on the impacts of air pollution on the cardiovascular system.
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Peer Review of EPA’s Draft Risk Evaluation for Di-isodecyl Phthalate (DIDP) and Draft Hazard Assessments for Di-isononyl Phthalate (DINP)
This pages contains information about the U.S. EPA's peer review of the Agency's draft risk evaluations for Di-isodecyl Phthalate (DIDP) and Di-isononyl Phthalate (DINP).
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Guidance for Human Health Risk Assessments for Pesticides
The documents listed on this page guide EPA in conducting human health risk assessments for pesticides.
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HYSPLIT Trajectory Endpoint Data
HYSPLIT Trajectory Endpoint Data
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2014 NATA: Explanation of Data Elements
Document describing the data elements found in the 2014 NATA files
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2023 Technical Systems Audit (TSA) Training - Preliminary Agenda
Preliminary (draft) agenda for the 2023 TSA Training
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How's My Waterway University Lesson Plan
How's My Waterway University Lesson Plan
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National Emission Standards for Aerospace Manufacturing and Rework Facilities (Subpart GG) - Guidance Document
National Emission Standards for Aerospace Manufacturing and Rework Facilities (Subpart GG) - Guidance Document
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Petroleum Refineries - Summary of Public Comments and Responses
National Emission Standards for Hazardous Air Pollutants
for Petroleum Refineries
Background Information for Final Rule
Summary of Public Comments and Responses -
The National Aquatic Resource Surveys (NARS)
The National Aquatic Resource Surveys (NARS) are statistical surveys designed to assess the status of and changes in quality of the nation’s coastal waters, lakes and reservoirs, rivers and streams, and wetlands.
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EPA Uses Floating Vegetated Islands to Remove Excess Nutrients from Water
Harmful algal blooms—the overgrowth of algae in water—are a major problem across the nation. They can cause severe, negative impacts on aquatic ecosystems, the economy, and human health.
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EPA Requires City of Tolleson, Ariz. to Comply with Chemical Safety Laws
The City of Tolleson will also spend $268,192 on two voluntary supplemental environmental projects (SEPs) to improve the chlorine disinfection system
EPA News Release: EPA Requires City of Tolleson, Ariz. to Comply with Chemical Safety Laws
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J.R. Simplot Company to Pay $363,700 Penalty for Safety and Environmental Violations at Lathrop, Calif. Facility
EPA News Release: J.R. Simplot Company to Pay $363,700 Penalty for Safety and Environmental Violations at Lathrop, Calif. Facility