Science & Technology
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Missoula Railyard Reduces Costs and Idling Emissions
This web page provides an overview of technology changes (installation of APUs on locomotives), and operational changes (establishing an idling policy) that resulted in significant reduction of air emissions and reduced costs.
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Evaluation for SmartWay Verification of Idling Reduction Technologies for Locomotives
The evaluation process is the fourth and final part of the SmartWay verification process for Idle Reduction Technologies (IRTs) for Locomotives.
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Freight Sustainability Leadership
These resources and tools which will help you maintain your good standing as a Smartway Shipper Partner.
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Become a SmartWay Affiliate
This page is where you will find information if you want to join the Smartway Affiliate program.
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Approaches to Estimate Consumer Exposure under TSCA
CEM contains a combination of models and default parameters which are used to estimate inhalation, dermal, and oral exposures to consumer products and articles for a wide variety of product and article use categories.
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GHGRP 2021: Emissions by GHG
Data from greenhouse gas-emitting facilities and suppliers in 2021 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.
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GHGRP 2021: Suppliers of Industrial GHGs and Products Containing GHGs
Overview and data highlights of 2021 natural gas and natural gas liquids sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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Frequent Questions About eGRID
eGRID is a comprehensive source of data on the environmental characteristics of almost all electric power generated in the United States. eGRID is based on available plant-specific data for all U.S. electricity generating plants that report data.
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Panelist Views on IRIS
Stakeholders provided comments on several aspects of the IRIS Program, including communication, transparency, throughput, trust, stakeholder engagement, and others.
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About EPA Clinical Studies
Details about the available EPA human studies volunteer opportunities.
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Summary Report for the IRIS Public Stakeholder Meeting
This is the final summary report from the stakeholders kick-off meeting IRIS held in Arlington, VA on November 13, 2012. The meeting was also accessible by webinar.
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Download the AVERT Statistical Module
Download page for the 32-bit and 64-bit versions of the AVERT Statistical Module.
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Human Health Risk Models and Tools
These are risk tools and databases used to support EPA Human Health risk assessments.
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Ecological Risk Models and Tools
These are risk tools and databases used to support EPA Ecological risk assessments.
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Recent Additions on Risk Assessment
List of recent additions to EPA risk assessments
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EPA Pacific Southwest (Region 9) Regional Laboratory
The Region 9 Laboratory provides specialized services in biology, chemistry, and field sampling.
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Summary of Virginia's Water Reuse Guideline or Regulation for Potable Water Reuse
Virginia (State Regulation) | Source water: Treated municipal wastewater | End use: Potable water reuse
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Exposure Assessment Tools by Approaches - Indirect Estimation (Scenario Evaluation)
EPA ExpoBox 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, mode
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Exposure Assessment Tools by Media - Air
EPA ExpoBox 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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Exposure Assessment Tools by Media - Water and Sediment
EPA ExpoBox 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