Science & Technology
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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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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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Meet EPA Epidemiologist Rebecca Massa Nachman, Ph.D., MPH
EPA epidemiologist Rebecca Nachman works on health assessments for EPA’s Integrated Risk Information System (IRIS) program. She contributed to the recently finalized IRIS assessment of hexavalent chromium and currently is working on IRIS assessments of met
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Children’s Health Month: Preventing Lead Exposure for Children Before it Occurs
EPA researchers are investigating ways to protect children from lead exposure.
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Groundwater: Understanding and Protecting Our Hidden Resource
Groundwater provides about half of the drinking water supply worldwide. To protect this valuable resource, EPA researchers study how water is transported through the subsurface and how contaminants can move underground.
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Preventing Algal Blooms with a “Pinch of Sugar”
EPA researchers are looking at ways to inhibit the development of algae that can produce cyanobacterial harmful algal blooms. One method they are studying is adding a food source to water that would allow other bacteria to better compete.
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LakeCat Updates
The LakeCat Dataset is an extensive collection of landscape metrics for about 378 thousand lakes and associated catchments within the conterminous U.S.
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Water Quality Standards Regulations: Confederated Tribes of Coos, Lower Umpqua, and Siuslaw Indians
Information about water quality standards for the Confederated Tribes of Coos, Lower Umpqua, and Siuslaw Indians.
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Reaeration Measurement by Diffusion Dome
Field Branches Quality System and Technical Procedures
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Chemical Speciation Network (CSN) - Special Studies
information on the Quality Assurance program for the PM2.5 Chemical Speciation Network (CSN).
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Pennsylvania - 2017 Annual Network Plan
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of Pennsylvania.
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Idaho - 2017 Annual Network Plan
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of Idaho.
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Nebraska - 2016 Annual Network Plan
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of Nebraska.
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West Virginia - 2017 Annual Network Plan
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of West Virginia.
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Minnesota - 2017 Annual Network Plan
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of Minnesota.
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North Carolina - 2016 Annual Network Plans
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of North Carolina
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AMTIC - PM2.5 Monitoring Network
Webpage for the PAMS monitoring network containing information on background, methods, QA, and other resources.
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National Performance Audit Program for Calendar Year 2021
National Performance Audit Program, PM2.s, PM10-2.s, and Lead Performance Evaluation Program Implementation Decision Memorandum for Calendar Year 2021
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Project Planning
Field Branches Quality System and Technical Procedures