Science & Technology
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EPA Dynamically Downscaled Ensemble (EDDE) Webinar Archive
This EPA Tools & Resources webinar, hosted by the EPA’s Office of Research and Development (ORD) and recorded on July 17, 2024, highlighted EPA Dynamically Downscaled Ensemble (EDDE).
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AirNow Fire and Smoke Map: Extension of the U.S.-Wide Correction for PurpleAir PM2.5 Sensors Webinar Archive
This webinar briefly introduces the AirNow Fire and Smoke Map and some of the anticipated new pilot features for 2021 and followed with a discussion of why an extended sensor data correction was needed and how it was developed.
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Incident Waste Decision Support Tool (I-WASTE) Webinar Archive
Document page for the EPA Tools and Resource Training Webinar: Incident Waste Decision Support Tool (I-WASTE), recorded on July 23, 2020.
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Open Data Plan
EPA's Open Data Plan describes how EPA makes available and shares data as required by the OPEN Government Data Act.
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Statistical Support Document for the Development of Round 2 Biosolids Use or Disposal Regulations for Dioxins
Information related to Statistical Support Document for the Development of Round 2 Biosolids Use or Disposal Regulations for Dioxins
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Guide to Septage Treatment and Disposal
Information related to Guide to Septage Treatment and Disposal.
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Emerging Technologies for Biosolids Management
Information related to Emerging Technologies for Biosolids Management
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Proceedings of the Biosolids Exposure Measurement Workshop
The U.S. EPA hosted a Biosolids Exposure Measurement Workshop on March 16-17, 2006 at the Andrew W. Breidenbach Environmental Research Center in Cincinnati, OH.
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A Guide to the Biosolids Risk Assessments for the EPA Part 503 Rule
A guide that focuses primarily on the risk assessment conducted for land application of biosolids.
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Exposure Analysis for Dioxins, Dibenzofurans, and Coplanar Polychlorinated Biphenyls in Sewage Sludge
Information related to Exposure Analysis for Dioxins, Dibenzofurans, and Coplanar Polychlorinated Biphenyls in Sewage Sludge.
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Guide to Field Storage of Biosolids
Guide To Field Storage of Biosolids and Other Organic By-Products Used in Agriculture and for Soil Resource Management
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Part 75 Petition Responses
Find responses to petitions submitted by affected units subject to 40 CFR Part 75.
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Research on DIY Air Cleaners to Reduce Wildfire Smoke Indoors
Everyone deserves access to clean indoor air during wildfire smoke events. Many health and air quality agencies and nonprofits are providing instructions and parts for making Do-It-Yourself (DIY) air cleaners as a solution to reducing smoke indoors.
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Bulletins Live! Two -- View the Bulletins
Endangered Species Protection Bulletins set forth geographically specific pesticide use limitations for the protection of threatened and endangered (listed) species and their designated critical habitat.
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Grants Mining District Five-Year Reviews
This page provides a specific location for GMD FYR documents, issues, and timelines.
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2018 Natural Gas STAR and Methane Challenge Renewable Natural Gas Workshop
Event page for the 2nd annual RNG workshop with AGA
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Managing the Quality of Environmental Data in EPA's Pacific Southwest (Region 9)
EPA Pacific Southwest, Region 9's Quality Assurance (QA) section's primary mission is to effectively oversee and carry out the Quality System and Quality Management Plan, and project-level quality assurance and quality control (QA/QC) activities.
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HAB Methods and Research
Information related to HAB Methods and Research
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What You Can Do
We can all take action to reduce some of the factors that allow HABs to grow and survive, learn to identify and report HABs and their associated illnesses to the appropriate agencies, and help teach others about HABs.
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What Are the Effects of HABs
Discover the effects of Harmful Algal Blooms (HABs) on human health and ecosystems. Learn about symptoms and treatments for people exposed to HABs, which produce toxins affecting water quality and aquatic life.