Science & Technology
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GHGRP Underground Coal Mines
Overview and data highlights of 2022 underground coal mines sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Pulp and Paper
Overview and data highlights of 2022 pulp and paper sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Petroleum and Natural Gas Systems: Other Industry Segments
Overview and data highlights of 2023 petroleum and natural gas systems emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program for other industry segments besides onshore production.
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GHGRP Petroleum and Natural Gas Systems: Onshore Production
Overview and data highlights of 2023 petroleum and natural gas systems emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program in the onshore production industry segment.
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GHGRP Petroleum and Natural Gas Systems
Overview and data highlights of 2023 petroleum and natural gas systems emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Electronics Manufacturing
Overview and data highlights of 2023 electronics manufacturing sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Electrical Equipment Production and Use
Overview and data highlights of 2022 electrical equipment production and use sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Fluorinated Chemicals
Overview and data highlights of 2021 fluorinated chemical manufacturing emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Non-Fluorinated Chemicals
Overview and data highlights of 2021 non-fluorinated chemical manufacturing emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Chemicals
Overview and data highlights of 2022 chemical manufacturing emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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Integrated Science Assessment (ISA) for Particulate Matter
Information, history and background on the development and maintenance of the latest draft particulate matter assessments.
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Risk Analysis Checklist for Biogas Projects
Risk Analysis and Technical Review Checklist for Preparing Biogas Project Plans
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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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Air Quality and Climate Change Research
EPA is conducting research to understand the relationships between climate change and air quality by advancing the understanding of temperature changs on ozone and particulate matter concentrations and changes in pollen and allergic disease patterns.
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Modeling PFAS Air Emissions, Deposition, and Chemistry
May 18, 2021 Air, Climate, & Energy Research Webinar Series webinar on Modeling PFAS Air Emissions, Chemistry, and Deposition.
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TENORM: Consumer Products
Some consumer products may contain trace amounts of naturally occurring radioactivity, such as ceramic glazes, tobacco products and some building materials.
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TENORM: Hard Rock Metal Mining
This page has information about TENORM in the hard rock mine industry, including gold, silver, zircon and titanium.
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TENORM: Fertilizer and Fertilizer Production Wastes
Phosphate rock is used in the production of phosphate fertilizers. Due to its chemical properties, phosphate rock may contain significant quantities of naturally occurring radioactive materials (NORM).
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Basic Information About Provisional Peer-Reviewed Toxicity Values (PPRTVs)
Learn more about what PPRTVs, who develops them, and how they are used on this basic information page which also includes guidance and tool links, steps to the PPRTV development process and history of the program.
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National Rivers and Streams Assessment 2008-2009 Results
Results from the 2008-2009 National Rivers and Streams Assessment