Science & Technology
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Collaborative Agreements for Computational Toxicology Research
The Computational Toxicology Research Program is a part of EPA's Office of Research and Development (ORD). Located in Research Triangle Park, North Carolina.
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Ecological Risk Assessment Support Center (ERASC)
ERASC is EPA’s technical support and resource center responsible for providing specialized scientific info and expertise on topics relevant to ecological risk assessment at hazardous waste sites.
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Ground Water Technical Support Center (GWTSC)
EPA's Ground Water Technical Support Center (GWTSC) provides support on subsurface contamination, contaminant fluxes to other media (e.g., surface water or air), and ecosystem restoration issues.
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EPA's Technical Support Centers
List of ORD's Technical Support Centers, which offer scientific and engineering expertise to contaminated site decision makers within EPA, including remedial project managers and on-scene coordinators. Regional Offices network with the states and tribes.
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Quality Assurance/Quality Control Guidance for Laboratories Performing PCR Analyses on Environmental Samples
This document is to inform users of proper QC checks during site characterization using real time PCR.
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EPA Region 4 Air Sensor Loan Programs
EPA R4 now loans portable fine particulate matter (PM2.5) sensors to the public. The program helps drive positive change and improve public health by collecting non-regulatory outdoor air quality data.
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U.S. EPA Method 3051A: Microwave Assisted Acid Digestion of Sediments, Sludges, and Oils
SAM lists this method for preparation of solid samples to be analyzed for arsenic, osmium, thallium, titanium and vanadium.
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EPA Method EMSL-33: Isotopic Determination of Plutonium, Uranium, and Thorium in Water, Soil, Air, and Biological Tissue
SAM lists this method for the analysis of plutonium in drinking water by alpha spectrometry.
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Historical Rulemakings
Archive of listing of Federal Register notices and links to more information for each rulemaking action related to EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Minerals
Overview and data highlights of 2021 minerals sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Refineries
Overview and data highlights of 2021 refineries emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP 2021: Chemicals
Overview and data highlights of 2021 chemical manufacturing emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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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.