Science & Technology

Antimicrobial Testing Program

EPA tests certain antimicrobial products (hospital disinfectants and tuberculocides) to ensure that products in the marketplace are effective. See how we do this and find a list of tested products.

Clean Water Access During Emergencies Webinar

EPA's ORD offers free public webinars on recent research results. Watch a pre-recorded webinar on proposed capability expansion of the Water on Wheels Cart, future deployments and its integration into Kentucky's Emergency Response Plan.

Federal Register Notice: Trichloroethylene; Regulation of Vapor Degreasing Under TSCA Section 6(a); Methylene Chloride and N-Methylpyrrolidone; Reopening of Comment Periods

This notice extends the comment period for two proposed rules under section 6 for Trichloroetylene, Methylene Chloride, and N-Methylpyrrolidone.

Meet EPA Research Limnologist Dr. Ryan Lepak

EPA Researcher Dr. Ryan Lepak focuses on understanding pathways of PFAS and mercury exposure in fish across the Great Lakes. Using historical fish archives, Ryan and the team construct timelines of PFAS and mercury exposure to analyze lakes’ responsiveness

Ecosystem Research: Ecosystems & Water Quality

Help people better understand the intricate links between natural ecosystems, human activities, and water quality.

RSEI Geographic Microdata (RSEI-GM)

Information about how RSEI Geographic Microdata are created and how the data should be used.

Leaving the Gray Behind

EPA researchers and partners are investigating green infrastructure technology at an elementary school in Fort Riley, Kansas.

Using Cost-Effective Tools for Assessment of Infiltration at Green Infrastructure Stormwater Management Sites

Helping communities decide which green infrastructure tools are worth the investment of money and maintenance

Throwing Shade: Exploring the Benefits of Trees

Read about a few recent examples of how EPA researchers are adding scientific rigor to help us better understand the true value of trees.

Sowing Seeds for Cleaner Air: How EPA Researchers are Addressing Air Pollution at Chicago Area Schools

EPA researchers are working with partners in the Chicago metropolitan area to study how these types of vegetative barriers can help improve air quality inside and outside of schools.

Working with Tribal Partners to Restore Fisheries in Northern Maine

EPA is collaborating with partners to develop a cloud-based population diversity database of Atlantic salmon DNA as part of biodiversity and sustenance fishing restoration efforts of the Houlton Band of Maliseet Indians tribal waterways in Northern Maine.

EPA Joins the Nature Conservancy, NOAA, in Releasing Guide to Coral Reef Restoration Planning and Design

EPA joined NOAA and the Nature Conservancy to release a guide for reef managers as they plan, design, and implement restoration projects.

Study Provides New Insights Into Impacts of Wildland Fires on Ozone Monitoring Equipment

, EPA researchers investigated and evaluated a popular ozone monitoring method during fires in Kansas, Oregon, and Montana.

EPA Scientists Model Human Systems to Understand Children's Environmental Health Impacts

EPA researchers are using virtual tissue models to understand a chemical’s effects on developing embryos.

New Monitoring Method Improves Ability to Measure Methane Emissions from Reservoirs

Reservoirs, or human-made lakes, are built to store clean water, generate electricity, and provide recreation, but they can also emit methane, a greenhouse gas (GHG) that contributes to climate change.

Innovative/Alternative Septic Systems

EPA is partnering with the U.S. Geological Survey, Barnstable Clean Water Coalition and others to implement a neighborhood-scale demonstration of innovative/alternative (IA) septic systems in the Cape Cod region.

Reducing Excess Nutrients Research Pilot

EPA is collaborating with stakeholders and a team of partner organizations in the Cape Cod region, to explore ways to reduce the amount of nitrogen entering the Cape’s estuaries and freshwater ponds.

Vapor Intrusion Research

Vapor intrusion (VI) occurs when hazardous vapors in subsurface sources, such as soil or groundwater, migrate into an overlying building or structure, contaminating the indoor air.

EPA scientists develop method for assessing bioavailability of arsenic & lead in contaminated soils

Arsenic and Lead in contaminated soil

Executive Summary, Hydraulic Fracturing Study - Final Assessment 2016

executive summary download of EPA's Hydraulic Fracturing for Oil and Gas: Impacts from the Hydraulic Fracturing Water Cycle on Drinking Water Resources