Science & Technology
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Air Emissions Modeling
The site documents and makes available the Agency's latest emissions inventory data formated for use in temporal, spatial, and speciation emissions modeling.
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2017 Emissions Modeling Platform Technical Support Document
This document describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the year of 2017
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Radiological Decontamination Query Tool
Get access to information contained in published technology evaluation reports through the Radiological Decontamination Query Tool.
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Lead Service Line Identification Test Bed
EPA researchers installed a test bed at EPA’s Edison Environmental Center in New Jersey to test emerging and commercially available, minimally invasive lead service line identification technologies.
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EPA Websites with Environmental Test Method and Monitoring Information
EPA websites that include methods and testing information.
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Chronology of EPA Emission Test Methods 2020
Chronology of EPA Emission Test Methods 2020
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Scenario Analysis of the Impact on Drinking Water Intakes from Bromide in the Discharge of Treated Oil and Gas Wastewater
EPA scientists created different scenarios for conventional commercial wastewater treatment plants that treat oil and gas wastewaters to evaluate the impact from bromide in discharges by the CWTP plants.
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Summary of Nevada's Water Reuse Guideline or Regulation for Potable Water Reuse
Nevada (State Regulation) | Source water: Treated municipal wastewater | End use: Potable water reuse
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Links to Healthy Watersheds Integrated Assessment Reports
This page has the Assessment Report for healthy Watesheds
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Food Security and Young Children
A list of tools a and databases available online to support children’s health protective decisions.
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Federal Register Notices and Other Documents that Informed the Development of the 2016 Exceptional Events Rule
This page contains Federal Register Notices and Other Documents that Informed the Development of the 2016 Exceptional Events Rule
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Treatment of Air Quality Monitoring Data Influenced by Exceptional Events
Describes and documents data handling for air quality measurements flagged as being affected by exceptional events like wildfires, dust storms, volcanic eruptions, etc.
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Example Demonstrations and EPA Responses Prepared under the 2016 Exceptional Events Rule
This table contains examples of air agency submitted exceptional events demonstrations and responsive EPA decision documents that have been prepared and/or acted upon under the 2016 Exceptional Events Rule
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2024 Request for Applications for the Integrated Atmospheric Deposition Network
Request for Applications for a cooperative agreement for a project to continue the long-term air deposition monitoring of persistent toxics around the Great Lakes.
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The Final 2016 Exceptional Events Rule, Supporting Guidance Documents, Updated FAQs, and Other Rule Implementation Resources
Resources for the 2016 final Exceptional Events rule.
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices Version 2.3.7
Technical appendices for the Risk-Screening Environmental Indicators screening tool version 2.3.7
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Protecting Our Climate by Reducing Use of HFCs
The American Innovation and Manufacturing (AIM) Act outlines new requirements for listed hydrofluorocarbons (HFCs). This site will inform the public of the phasedown of HFCs as well as serve as a platform for stakeholder engagement.
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EPA Regional Polychlorinated Biphenyl (PCB) Programs
In addition to the EPA Headquarters office in Washington, DC, EPA maintains ten regional offices to implement federal environmental programs around the country.
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Podcast: The Role of an EPA OIG Special Agent
August 23, 2017 - Special Agent Cat Bailey talks about the role of investigators within Offices of Inspectors General.
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Basic Information on the CCL and Regulatory Determination
Read basic information about EPA's contaminant candidate list and regulatory determinations.