Science & Technology
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Effectiveness of Medical and Cloth Masks for COVID-19 Protection Webinar Archive
Archive page for EPA Tools and Resources Webinar: Effectiveness of Medical and Cloth Masks for COVID-19 Protection, held on January 27, 2021.
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Citizen Science at EPA Webinar Archive
This EPA Tools and Resources webinar provides an overview of citizen science and showcases several EPA citizen science activities involving partnerships with state, tribal and local governments on a diversity of issues.
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OPPT Methylene Chloride (DCM) Draft Risk Assessment Final Comments
This document contains the Final Comments of Nine-Member Peer Review Panel for the OPPT Methylene Chloride (DCM) Draft Risk Assessment.
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AQS Geospatial Doc
AQS Geospatial Doc
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TENORM Resources
Studies of existing TENORM sites provide information needed to select appropriate methods for estimating risks from these sites, the best ways to clean up the sites, and the most economical and environmentally friendly ways to dispose of the TENORM.
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Chesapeake Bay Effectiveness Rational
This document describes the methodology EPA followed to establish the most effective use of these funds.
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Community Water System Service Area Boundaries Training Webinar Archive
This EPA Tools & Resources training webinar, recorded on February 13, 2025, focuses on Community Water System Service Area Boundaries.
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Alternative Water Sources to Augment Water Supplies Webinar Archive
This EPA Tools & Resources webinar, recorded on February 19, 2025, focused on Alternative Water Sources to Augment Water Supplies.
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Working Paper: A Note on Trasande et al., “Public Health and Economic Consequences of Methylmercury Toxicity to the Developing Brain”
This is a working paper titled "A Note on Trasande et al., 'Public Health and Economic Consequences of Methylmercury Toxicity to the Developing Brain'"
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Working Paper: A Stated Preference Study of the Chesapeake Bay and Watershed Lakes
This is a working paper titled "A Stated Preference Study of the Chesapeake Bay and Watershed Lakes"
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Turning Stone Casino and Resort Verona Renewal (Tribal Area), NY
A new resource recovery facility capable of generating 77 MW
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ECO Update / Groundwater Forum Issue Paper: Evaluating Ground-Water/Surface-Water Transition Zones in Ecological Risk Assessments
This ECO Update builds on the standard approach to ERA (U.S. EPA 1997), by providing a framework for incorporating groundwater/surface-water (GW/SW) interactions into existing ERAs (see U.S. EPA 1997 and 2001a for an introduction to ecological risk....
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Rulemakings, Policy, and Laws to Address Methane Emissions from the Oil and Gas Sector
Overview of rulemakings, policy, and laws related to methane emissions from the oil and gas sector
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About Test Guidelines for Pesticides and Toxic Substances
general information about OCSPP Test Guidelines
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Common Effects Approach for Aquatic Life Protective Values for Pesticides
The EPA is exploring how to build on the substantial high quality science developed under both OPP programs to develop additional tools and approaches to support a consistent and common set of effects characterization methods.
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Implications of Volatile Chemical Products for Ozone and Particulate Matter in Urban Atmospheres
Slides from Air, Climate, & Energy Research Webinar on Implications of Volatile Chemical Products (VCPs) for Ozone and Particulate Matter in Urban Atmospheres
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Air Quality Monitoring and Sensor Technologies
EPA scientist Ron Williams presented on the features, examination, application, examples, and data quality of continuous monitoring study designs at EPA's Community Air Monitoring Training in July 2015.
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National Coastal Condition Assessment Change in Condition
Explanation of why NCCA point estimates for a given survey year may vary from those used in the change analysis
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National Coastal Condition Assessment 2015 Results
Results for the National Coastal Condition Assessment 2015, including key findings, national results, and ecoregional results,
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National Aquatic Resource Survey Webcasts
webasts of key findings from nla, nrsa, nwca, and ncca