Science & Technology
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2018 AirToxScreen
Background information on AirToxScreen
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2017 AirToxScreen: Emissions Update Document
AirToxScreen emissions update document
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2018 AirToxScreen: Emissions Update Document
AirToxScreen emissions update document
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2011 NATA: Explanation of Data Elements
Document describing the data found in the 2011 NATA files
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Surf Your Watershed
A database of more than 2,600 watershed groups for citizens who want to protect and restore their local watershed.
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Hydrography Event Management Tool Factsheet
This factsheet goes over the background, key features, and resources available for the Hydrography Event Management (HEM) Tool.
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Value of Information (VOI) Panel
VOI Panel
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Interagency Testing Committee
The ITC's web site is a dynamic interactive vehicle that enables industry to electronically submit unpublished data and for the public (including industry) to retrieve these data and other information created or reviewed by the ITC.
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Chesapeake Bay TMDL Court Decisions
This page provides information regarding Chesapeake Bay TMDL litigation.
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EPA Final Evaluation of 2018-2019 Milestone Progress and 2020-2021 Milestone Commitments
The full list of milestones from each state and federal agencies
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Draft Guidance for Ozone and Fine Particulate Matter Permit Modeling
Draft Guidance for Ozone and Fine Particulate Matter Permit Modeling
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Past Webinars in the Water Research Series
A collection of past webinar recordings and descriptions for EPA's Water Research Webinar series, which occurs on a quarterly basis.
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Water Quality Standards Regulations: Yurok Tribe
Information about water quality standards for the Yurok Tribe.
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WRF-CMAQ Model
WRF-CMAQ Coupled Model
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Ecosystem Services Portal
EPA’s Ecosystem Services Tool Selection Portal is a resource to help communities incorporate the benefits of local ecosystems into their environmental planning and decision-making.
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Register for Webinar on Reducing Vertebrate Animal Testing
Register for December 7, 2022, Webinar on Reducing Vertebrate Animal Testing
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Final Test Guidelines for Pesticides and Toxic Substances
Listing of the Final OCSPP Test Guidelines Series with links to the Series
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Dynamometer Drive Schedules
This page provides the chassis dynamometer driving schedules and shift schedules used by EPA for vehicle emissions and fuel economy testing.
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FIFRA Scientific Advisory Panel Meetings Related to Biopesticides
These Scientific Advisory Panel meetings provide information about the regulatory process for various biopesticides and products of biotechnology.