Data and Tools
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Air Pollutant Receptor Modeling
Receptor models are mathematical or statistical procedures for identifying and quantifying the sources of air pollutants at a receptor location.
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Hot Topics in Louisiana
Hot topics in Louisiana
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Groundwater Sampling Operating Procedure
Field Branches Quality System and Technical ProcEPA Region 4 Science and Ecosystem Support Division (SESD) document, from Nov. 1, 2007, that describes general and specific procedures, methods, and considerations when collecting groundwater samples.
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Clone of EPA FOIA Annual Report for 2013
This Annual Freedom of Information Act report covers the period 10/01/2012, through 09/30/2013, as required by 5 U.S.C. 552.
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Developing a Voluntary Restoration and Protection Program for Wetlands
Information on how to develop a Voluntary Restoration and Protection Program
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WATERS Terms of Use and Disclaimer
The Reach Address Database (RAD) stores reach address information for each Water Program feature that has been linked to the underlying surface water features (streams, lakes, etc) in the National Hydrology Database (NHD) Plus dataset.
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Dissolved Oxygen
This page introduces the dissolved oxygen module, when to list dissolved oxygen as a candidate cause, ways to measure dissolved oxygen, simple and detailed conceptual model diagrams for dissolved oxygen, and references for this module.
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PFAS Science Webinars for EPA Region 1 and State & Tribal Partners
ORD is hosting PFAS Science Webinars on September 16 and 23 for EPA Region 1 and state & tribal partners. The purpose of these webinars is to provide PFAS information and research updates to Region 1 and New England states and tribes.
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Watershed Management Optimization Support Tool Webinar Archive
EPA’s Watershed Management Optimization Support Tool (WMOST) is a decision-support tool to facilitate integrated water management at the watershed and community scales.
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Research to Support Lead Exposure Mitigation Webinar Archive
This EPA Tools & Resources webinar highlighted EPA research to support actions to reduce lead exposures and related health risks as part of the Federal Action Plan to Reduce Childhood Lead Exposures and Associated Health Impacts.
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PFAS Treatment in Biosolids – State of the Science
The presentation provides a summary of EPA’s past, ongoing and proposed research on PFAS in biosolids.
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Source Emissions Measurement Methods and Modeling Air Emissions, Transport and Deposition
This presentation provided an update on source emission measurement approaches and methods to support comprehensive emissions characterizations, including industrial, chemical manufacturing and thermal treatment/combustion sources.
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PFAS Treatment in Drinking Water and Wastewater – State of the Science
This presentation provides an overview of ORD’s research on drinking water and wastewater treatment, including resources and capabilities that can be helpful to regions and states.
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PFAS and Emerging Contaminant Technology Transfer to States and Tribes Webinar Archive
This EPA Tools & Resources webinar, recorded October 18th, provides an overview of Non-Targeted Analysis (NTA) and how it can be/is being used to help states and tribes identify PFAS and other emerging contaminants.
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Environmental Resilience Tools Wizard Training Webinar Archive
Webinar archive page for the tools and resources training webinar on the Environmental Resilience Wizard
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Food Waste Research Webinar Archive
Archive page of the Food Waste Research webinar hosted by EPA ORD.
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GHGRP Supplier Highlights
Fuel and industrial GHG supplier highlights of 2023 emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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GHGRP Emissions Trends
Data from greenhouse gas-emitting facilities and suppliers in 2023 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.
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GHGRP: Reporting Year 2021 Data Release Webinar Slides
GHGRP 2021 Data Release webinar slides
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GHGRP Newsletters
Landing page for GHGRP newsletters, highlighting the most recent version as well as all archived versions