Science & Technology
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Technical Resources for Sewage Sludge Managers
Background information on EPA's Sewage Sludge Program
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Risk Assessment for “Round One” in Support of 40 CFR Part 503
A guide for Risk Assessment for “Round One” in support of 40 CFR Part 503 was prepared to provide an understanding of the risk assessment process that was conducted as a basis for the Part 503 biosolids rule.
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Land Application of Biosolids
Recycling biosolids through land application serves several purposes. It improves soil properties, such as texture and water holding capacity, which make conditions more favorable for root growth and increases the drought tolerance of vegetation.
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Risk Assessments for "Round Two" Focusing on Dioxins and PCBs in Sewage Sludge
Decision Not to Regulate Dioxins in Sewage Sludge that are land applied or that is incinerated or placed in sludge landfills or containment ponds.
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Sewage Sludge Surveys
Documentation for National Sewage Sludge Surveys; one conducted by EPA and the other by AMSA
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UIC Permit: PAS2R911BFOR
Pennsylvania General Energy underground injection control permit
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Health and Water Research
EPA conducts this research because waterborne illnesses continue to threaten American public health from sewer overflows and waterborne pathogens.
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Incident Waste Decision Support Tool (I-WASTE) Training Webinar Archive
This EPA Tools & Resources Training webinar highlights EPA’s Incident Waste Decision Support Tool (I-WASTE). I-WASTE is a web-based decision support tool that organizes information related to managing waste.
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Water Quality Standards Regulations: Leech Lake Band of Ojibwe
Information about water quality standards for the Leech Lake Band of Ojibwe.
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ECOTOXicology Knowledgebase Training Webinar Archive
Archive page for EPA Tools and Resources Training Webinar: ECOTOXicology Knowledgebase, held on February 4, 2021.
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Water Quality Standards Regulations: Port Gamble S’Klallam Tribe
Information related to Water Quality Standards for Port Gamble S’Klallam Tribe.
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Methane Challenge Partnership (2016 – 2024)
Provides an overview of the EPA Natural Gas STAR Methane Challenge Program
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Impaired Waters and Nutrients
An overview of TMDLs associated with nutrients.
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Impaired Waters and Stormwater
An overview of developing and implementing stormwater TMDLs.
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Natural Gas STAR Partnership (1993 – 2022)
Natural Gas STAR Program Accomplishments
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Downloading AVERT Files for Use in SMOKE
Presentation with directions for downloading AVERT files for use in the Sparse Matrix Operator Kernel Emissions (SMOKE).
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Measuring Up: How to Track and Evaluate Local Sustainability Projects
Learn about two new federal resources to help you measure, track, and report progress, based directly on the experiences of local governments across the country, and hear from one case study taking place in northwest Washington.
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Advances in Environmental Monitoring: Water Sensors Webinar Archive
Archive page for march 16 webinar on water sensors
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Biofuels and the Environment
This site is about the EPA Report to Congress on biofuels and includes information and links on the 2 completed reports and the new report in development in 2022.
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Exposure Factors Handbook (2011 Edition)
Exposure Factors Handbook: 2011 Edition. The Exposure Factors Handbook provides information on various physiological and behavioral factors commonly used in assessing exposure to environmental chemicals.