Science & Technology
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Federal Register Notice; Requirements for Inorganic Byproduct Chemical Substances; Notice of Public Meeting
EPA is planning to establish a Negotiated Rulemaking Committee (Committee) under the Negotiated Rulemaking Act (NRA) as indicated in a Federal Register notice of December 15, 2016, and required by section 8(a)(6) of the Toxic Substances Control Act (TSCA).
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2016 XML Schema Guide for Secondary CDR Submissions
This document presents the extensible markup language (XML) schema guide for the Office of Pollution Prevention and Toxics’ (OPPT) e-CDRweb tool.
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ExpoKids: Background
ExpoKids allows for visualization of aggregate exposure estimates, produced by ExpoFIRST, across lifestages.
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Exposure Factors Handbook Chapter 19
Exposure Factors Handbook: 2011 Edition and 2018 update. The Exposure Factors Handbook provides information on various physiological and behavioral factors commonly used in assessing exposure to environmental chemicals.
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Exposure Factors Interactive Resource for Scenarios Tool (ExpoFIRST)
Information about the Exposure Factors Handbook: 2011 Edition, including the history of the document, highlights documents, tables and spreadsheets, and more recent updates.
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Exposure Factors Handbook Chapter 3
Exposure Factors Handbook: 2011 Edition, Chapter 3:Ingestion of Water and Other Select Liquids. This update of chapter 3 provides newinformation on various physiological and behavioral factors commonly used in assessing exposure to environmental chemicals.
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EPA EcoBox: Phases of ERA - References
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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Technical Support Project - Engineering Forum
Landing page for TSP Engineeering Foum
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StreamCat Metrics REST API
StreamCat Metrics REST API, documentation for the API that allows the return metrics from StreamCat data tables
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How's My Waterway Widget Instructions
How's My Waterway Widget Instructions
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Understanding the emissions and criteria pollutant formation from Volatile Chemical Products (VCPs)
Description of green infrastructure and how CMAQ is exploring impacts of GI.
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Memorandum on Voluntary Antimicrobial Pesticide Inert Ingredient Disclosure Process
EPA is allowing registrants of antimicrobial pesticides to voluntarily disclose all inert ingredients on their product labels and/or through a company website for their products which can be linked on product labeling.
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ECM for Chlorpropham in Soil - MRID 49373403
Environmental Chemistry Methods for Chlorpropham in Soil - MRID 49373403
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Carbonyl fluoride Results - AEGL Program
Technical Support Document about development of Final AEGL values for carbonyl fluoride.
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Level III and IV Ecoregions by State
Information and links to downloadable maps and datasets for Level III and IV ecoregions, listed by state. Ecoregions are areas of general similarity in the type, quality, and quantity of environmental resources.
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Instructions for Submitting Technology-Specific Information for Idling Reduction Technologies (IRTs) for Locomotives
This document contains instructions for submitting information in the Technology-Specific portion of the SmartWay Verification Process for IRTs for Locomotives.
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Draft Test Protocol for Idling Reduction Technologies (IRTs) for Trucks
This document contains test protocols for Truck IRTs as part of the SmartWay Verification Process.
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Original 2010 Court Order in CBD v. EPA
This injunction requires effects determinations for 36 pesticides related to 11 species in northern California.
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Background Documents on SmartWay Aerodynamics and Trailers
These documents provide information on SmartWay’s trailer and aerodynamic device program and how you can save fuel.
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Setting Priorities for Endangered Species Assessments
Learn about the priority-setting process for reviewing pesticides for endangered species effects.