Science & Technology
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GHGRP 2021: Petroleum and Natural Gas Systems
Overview and data highlights of 2021 petroleum and natural gas systems emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Electronics Manufacturing
Overview and data highlights of 2021 electronics manufacturing sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Electrical Equipment Production and Use
Overview and data highlights of 2021 electrical equipment production and use sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Emissions by Location
Data from greenhouse gas-emitting facilities and suppliers in 2021 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.
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GHGRP 2021: Pulp and Paper
Overview and data highlights of 2021 pulp and paper sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: 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 2021: Underground Coal Mines
Overview and data highlights of 2021 underground coal mines sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Petroleum and Natural Gas Systems: Onshore Production
Overview and data highlights of 2020 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 2021: Suppliers of Natural Gas and Natural Gas Liquids
Overview and data highlights of 2021 natural gas and natural gas liquids sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Suppliers of Petroleum Products
Overview and data highlights of 2021 natural gas and natural gas liquids sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Petroleum and Natural Gas Systems: Other Industry Segments
Overview and data highlights of 2021 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 2021: 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 2021: Emissions Ranges
Data from greenhouse gas-emitting facilities and suppliers in 2021 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.
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GHGRP 2021: Metals
Overview and data highlights of 2021 metals sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Waste
Overview and data highlights of 2021 waste sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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EPA Response to Request for Reconsideration 12004A, Regarding Drinking Water: Regulatory Determination on Perchlorate
EPA Response to RFR (03/27/2014)
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Learn more about Threatened and Endangered Species
Description of Endangered Species for the kids pages.
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Outreach Materials from the National Aquatic Resource Surveys
Communication Materials associated with the National Aquatic Resource Surveys
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CHAD-2000
Detailed data on human behavior from 19 studies has been compiled into the Consolidated Human Activity Database (CHAD), enabling researchers to examine specific population groups for unique activity patterns that influence overall exposure to chemicals.
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Update to the Community-Focused Exposure and Risk Screening Tool (C-FERST)
EPA scientists are working partners to design and test the Community-Focused Exposure and Risk Screening Tool (C-FERST), a community mapping, information access, and assessment tool to help assess risk and assist in decision making with communities