Science & Technology
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Anaerobic Digestion Facilities Processing Food Waste in the U.S. (2022 & 2023)
This page presents summarized results from the EPA’s 2024 survey of anaerobic digestion facilities processing food waste in the United States as part of the EPA’s AD Data Collection Project.
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Rapid Benefit Indicators (RBI) Approach
An easy-to-use process for assessing restoration sites using non-monetary benefit indicators.
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Automated Geospatial Watershed Assessment (AGWA) Tool
Using basic, easily attainable GIS data, AGWA provides a simple, direct, and repeatable methodology for hydrologic model setup, execution, and visualization. AGWA experiences activity from over 170 countries. It l has been downloaded over 11,000 times.
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Clean Water Atlanta: Energizing Green Infrastructure Through City Programming
City ordinance changes in Atlanta have stimulated adoption of green infrastructure and resulted in considerable combined sewer overflow improvement.
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Development of saliva-based exposure assays for detecting exposure to waterborne pathogens
Identifying which pathogens we are exposed to can be challenging because many types of pathogens can be found in water and many pathogens have similar symptoms. EPA scientists have developed a simple way to measure human exposure to waterborne pathogens.
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Advanced Experimental Toxicological Models Research
Research conducted by the Center for Computational Toxicology and Exposure's Advanced Experimental Toxicological Models Branch.
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Interconnection: Plugging RE-Powering Sites Into the Electric Grid
Information to help RE-Powering stakeholders efficiently proceed through the interconnection process for renewable energy projects connecting to the electric transmission and distribution systems.
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Community Solar: An Opportunity to Enhance Sustainable Development on Landfills and Other Contaminated Sites
This discussion paper describes the linkage between the need for solar access for some sites, the mechanism of community solar and the opportunities for using formerly contaminated lands, landfills and mine sites for renewable energy.
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Healthy Heart Toolkit: Public Educational Materials
EPA is raising awareness of heart disease and its link to air pollution and other environmental factors.
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Presentations from the Air Sensors Quality Assurance Workshop (July 25th-27th, 2023)
Presentations from the Air Sensors Quality Assurance Workshop (July 25th-27th, 2023) in Research Triangle Park, North Carolina. The 3-day hybrid event for both in-person and virtual attendees included presentations and panel discussions.
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The Hydraulic Fracturing Water Cycle
The Hydraulic Fracturing Water Cycle image flow demonstration.
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Appendix A: Chemicals Identified in Hydraulic Fracturing Fluids and Wastewater (Excel file)
Appendix A: Chemicals Identified in Hydraulic Fracturing Fluids and Wastewater (Excel file)
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Overview: Hydraulic Fracturing Drinking Water Assessment - Fact Sheet
fact sheet on Hydraulic Fracturing Drinking Water Final Assessment Report
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Overview of EPA’s Hydraulic Fracturing Drinking Water Assessment Report
Jeff Frithsen's presentation at the 2013 technical roundtable in Research Triangle Park, NC
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CCL 5 Microbial Contaminants
Table of CCL 5 microbial contaminants
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PG&E Gas to Grid Interconnection
Discusses steps, approaches and how to assess potential for interconnecting to pipeline systems
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Opportunities and Challenges for Biogas and RNG Projects in SMUD Territory
Discusses biomass benefits, drivers, potential, and highlights some SMUD dairy digester projects
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Securing Finance for Agricultural Biogas Projects
Discusses securing financing for Agricultural Biogas projects
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Sulfur Dioxide (SO2) Air Quality Standards - Documents Prior to Review Completed in 2010
Sulfur Dioxide (SO2 Secondary) Air Quality Standards - Documents Prior to Review Completed in 2012