Science & Technology
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WMOST ScenCompare with Benefits Module
The Scenario Comparison Tool (ScenCompare) has been developed that incorporates a Benefits Module for EPA’s Watershed Management Optimization Support Tool (WMOST) to facilitate integrated water resources management.
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WMOST 3.01 Download Page
The Watershed Management Optimization Support Tool (WMOST) is a decision support tool that facilitates integrated water management at the local or small watershed scale. WMOST models the environmental effects and costs of management.
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WMOST 1.0 Download Page
The Watershed Management Optimization Support Tool (WMOST) allows water-resource managers and planners to screen a wide range of practices for cost-effectiveness in achieving watershed or water utilities management goals.
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WMOST 2.0 Download Page
The Watershed Management Optimization Support Tool (WMOST) is a decision support tool that facilitates integrated water management at the local or small watershed scale. WMOST models the environmental effects and costs of managemen
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WMOST 3.0 Download Page
The Watershed Management Optimization Support Tool (WMOST) is a decision support tool that facilitates integrated water management at the local or small watershed scale. WMOST models the environmental effects and costs of management.
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The EPA’s Brownfields Projects Program Is on Track to Meet Its Justice40 Goal but Overestimated Disadvantaged Community Benefits
Report: The EPA’s Brownfields Projects Program Is on Track to Meet Its Justice40 Goal but Overestimated Disadvantaged Community Benefits
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About the Science Policy Division
Mission, organization, and contact information for EPA's Science Policy Division within the Office of Science Advisor, Policy and Engagement, part of the Office of Research and Development
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Indicators: Enterococci
Enterococci are bacteria that live in the intestinal tracts of warm-blooded animals, including humans, and therefore indicate possible contamination of streams and rivers by fecal waste.
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Air Issues in Louisiana
Air Programs and Pollution Issues in Louisiana
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Download the Automotive Trends Report
Download the light-duty vehicle carbon dioxide and fuel economy trends report.
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Indicators: Water Clarity
Water clarity is a measure of how clear water is, and more specifically, how far down light can penetrate through the water column.
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Indicators: Shallow Water Habitat/In-stream Fish Habitat
Shallow water habitat, also referred to as in-stream fish habitat, refers to areas that fish and other aquatic organisms need for concealment, breeding and feeding. This includes large woody snags, boulders, rock ledges, and undercut banks.
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Indicators: Streambed Fine Sediments
Streambed sediments are fine mineral deposits and silt located on the streambed. In excess amounts, they can fill in the habitat spaces between stream cobbles and rocks where aquatic organisms live and breed.
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2022v2 Emissions Modeling Platform Technical Support Document
This document describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the year of 2022.
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2022v1 Emissions Modeling Platform Technical Support Document
This document describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the year of 2022.
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2022v2 Emissions Modeling Platform
Modeling files from the 2022v2 Emissions Modeling Platform
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Data Sets
GHG Reporting Program Data Sets
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Engines and Vehicles Compliance Information System (EV-CIS) Documentation for Request for Certificate (RFC) Module
These files are used across industry sectors for RFC Module in EV-CIS.
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Frequent Questions about BMDS Modeling Tools
Frequent questions for BMDS 3.3 Excel and BMDS Online
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2011 National Emissions Inventory (NEI) Technical Support Document
Explains the sources of information in the inventory; show what sources of data used for each sector; and provide more information about the components.