Science & Technology
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State Progress Toward Adopting Numeric Nutrient Water Quality Criteria for Nitrogen and Phosphorus
The progress states are making towards the development of numeric criteria for phosphorus and nitrogen pollution.
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Reporting Templates and Guidance for Manufacturer-Run Heavy-Duty In-Use Testing Program
Reporting materials for the manufacturer-run, heavy-duty in-use testing program.
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Rapid Radiochemical Methods for Selected Radionuclides
PDF documents that provide rapid radioanalytical methods for selected radionuclides applicable to the intermediate and recovery phases of a nuclear or radiological incident requiring integrated laboratory response.
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MARLAP Online Training
Training for the MARLAP manual is presented in a series of video modules.
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Technology Screening Guide for Radioactively Contaminated Sites
This guide is designed to give easy access to critical information on applied technologies that address radioactive contamination in solid and liquid media.
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CAP-88 Version 3.0 and Earlier
The latest version of CAP88 is 4.1. Earlier versions of CAP88 are available on this page.
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Key Incidents and Milestones
A timeline of key incidents and legislative milestones in EPA's Emergency Response Program.
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Meet EPA Researcher Chelsea Hintz, Ph.D.
EPA researcher Chelsea Hintz is a biologist in EPA’s Office of Research and Development (ORD) Center for Environmental Solutions and Emergency Response (CESER). She joined the Agency in 2019 and her current research focuses on the impact of environmental c
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Meet EPA Chemist Stephen Jackson, Ph.D.
Dr. Stephen Jackson is a chemist developing methods to measure and analyze per- and polyfluoroalkyl substances (PFAS), ethylene oxide (EtO), and other environmental contaminants of emerging concern.
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Developing Organs On-a-Chip: Chemical Safety Research Collaborators Provide Research Review
Risk assessors must understand how chemicals impact human systems, including complex tissues and organs. Unfortunately, there are huge data gaps in this area, and current testing methods are costly and time-consuming.
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Research Supports Air Sensor Data Pilot Conducted in 2020 Wildfire Season
To provide air quality information in areas without permanent monitors, EPA and the U.S. Forest Service (USFS) conducted the AirNow Sensor Data Pilot from August to December of 2020.
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Going Back to our Roots: EPA Researchers Help the City of Durham, North Carolina Site New Trees
EPA helps Durham, North Carolina sit 10,000 trees so that the community will benefit the most
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EPA Researchers Inform Public Health Officials in Ohio on Variants of COVID-19 Virus through Wastewater Monitoring and Sequencing
Early in the pandemic, researchers at EPA’s laboratory in Cincinnati began looking for evidence of SARS-CoV-2 in municipal wastewater.
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Tracking Emissions Using New Fenceline Monitoring Technology
New cost-effective approaches to measuring air pollutants at the fenceline or in communities near industrial facilities can help identify and control air pollution that may drift across property lines.
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DIY Air Sensor Now Available for Use by Educators and Citizen Scientists
EPA researchers have published instructions for building a portable, battery-powered air sensor, called the AirMapper, which can be used for educational outreach activities.
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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.