Science & Technology
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Collaborative Agreements on Air Sensor Technology Research
EPA collaborates with organizations on air sensor technology development with the use of official agreements that enable sharing of information and research activities.
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Decontamination for Drinking Water and Wastewater Utilities
Drinking water and wastewater utilities can learn how to decontaminate their facilities after an intentional or unintentional contamination emergency,
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Renewable Natural Gas Flow Rate Estimation Tool
The Renewable Natural Gas (RNG) Flow Rate Estimation Tool (RNG Flow Tool) serves as a screening guide to help landfills quickly estimate normalized gas flows for RNG projects.
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Alternative Means of Emission Limitation - Shell Oil Products U.S. Martinez Refinery
Signed final approval and fact sheet for the alternative means of emission limitation request for a multi-point ground flare from Shell Oil Products, Martinez Refinery
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Data Quality and Planning
To protect public health following a contamination incident, sampling and analysis results will inform decisions regarding site remediation. Resulting data should be of known and documented quality to increase confidence in the decisions made.
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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