Science & Technology
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Stabilization/Solidification Processes for Mixed Waste
This document discusses waste stabilization and solidification processes in order to consider the appropriateness of several processes for specific low-level mixed waste (LLMW) categories.
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Perspective on the use of LNT for Radiation Protection and Risk Assessment by the U.S. Environmental Protection Agency
This paper discusses EPA's views on the controversy surrounding the use of the linear, no-threshold (LNT) model in radiation risk assessment, guidelines, and regulations.
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Report to Congress on Special Wastes from Mineral Processing
This report and supporting documents address "large-volume, low hazard" mineral processing waste.
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Incremental Evaluation of New CMAQ Versions
The impact on model predicted pollutant concentrations of the major changes in the CMAQv5.2 system compared to the last are tested one at a time. Evaluation results are summarized for ozone and PM2.5 based on simulations of January and July 2011.
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Global Change Explorer
GCX is a collection of EPA research products (tools, data, and approaches) relevant to global change impact assessments and response planning for those impacts.
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Learn about CMAQ
Learn about CMAQ's purpose, history and design, as well as the organizations involved in developing and using the model. You can also view a list of publications that have relied on CMAQ for air quality analysis.
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Relative Biological Effectiveness of Low-Energy Electrons and Photons
This letter report addresses the potential application of an energy-dependent RBE for low-LET radiations in the calculation of cancer risk coefficients.
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RPS Indicator Database
Links to download RPS indicator data spreadsheets by Regions and Geodatabase.
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Managing the Quality of Environmental Data at EPA Region 5
Information from Region 5 about managing the quality of environmental information
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Green Chemistry Challenge: 2017 Designing Greener Chemicals Award
Green Chemistry Challenge 2017 award winner, Merck, improved the synthesis of Letermovir. The new process will decrease the manufacturing carbon footprint and water usage.
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Green Chemistry Challenge: 2021 Designing Greener Chemicals Award
Green Chemistry Challenge 2021 award winner, Colonial Chemical, is being recognized for developing Suga®Boost surface cleaner.
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Green Chemistry Challenge: 2021 Greener Synthetic Pathways Award
Green Chemistry Challenge 2021 award winners, Merck is being recognized for a sustainable process to make Gefapixant Citrate and other drugs for chronic coughs
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Presidential Green Chemistry Challenge: 2015 Specific Environmental Benefit: Climate Change Award
Presidential Green Chemistry Challenge 2015 award winner, Algenol, blue-green algae to produce ethanol and other fuels, uses CO2 from air or industrial emitters, reduces the carbon footprint, costs and water usage, no reliance on food crops
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Green Chemistry Challenge: 2021 Greener Reaction Conditions Award
Green Chemistry Challenge 2021 award winners, Bristol Myers Squibb Company is being recognized for developing five sustainable reagents.
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Guidance to Assist Interested Persons in Developing and Submitting Draft Risk Evaluations Under TSCA
guidance for interested parties
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Twelve Principles of Green Chemistry Bookmarks
12 Principles of Green Chemistry bookmarks for one-sided and two-sided printers
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Green Chemistry Challenge: 2022 Small Business Award
Green Chemistry Challenge 2022 award winners
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Download and Install Instructions for E-FAST - Exposure and Fate Assessment Screening Tool
Exposure, Fate Assessment Screening Tool (E-FAST)
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IIOAC - Integrated Indoor-Outdoor Air Calculator Download and Install Instructions
This zip file contains an excel graphincal user interface and two zip files which have supplemetary data to run the model. After initial unzipping, the excel file should remain in the same folder as the two zip files which contain modeling data required to
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User's Guide and Download for IECCU- Indoor Environmental Concentrations in Buildings with Conditioned and Unconditioned Zones
This program serves two purposes: (1) as a general-purpose indoor exposure model in buildings with multiple zones, multiple chemicals and multiple sources and sinks, and (2) as a special-purpose concentration model