Science & Technology
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Advanced Light-Duty Powertrain and Hybrid Analysis (ALPHA) Tool
EPA’s Advanced Light-Duty Powertrain and Hybrid Analysis (ALPHA) is a full vehicle simulation tool which estimates the greenhouse gas (GHG) emissions from light-duty vehicle sources.
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ERLN Biological Focus Area
The Environmental Response Laboratory Network supports the goal to increase national capacity for biological analysis of environmental samples. This includes methods development and verification, technology transfer, and collaboration with USDA, FERN, CDC.
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Appalachian Stream Mitigation Workshop under CWA Section 404
A 5 day workshop in 2011 developed for state and federal regulatory and resource agencies, who review, comment on and/or approve compensatory mitigation plans for surface coal mining projects in Appalachia
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Geographic Information Systems Analysis of the Surface Drinking Water Provided by Intermittent, Ephemeral, and Headwater Streams in the U.S.
A listing of reports on the extent of intermittent, ephemeral, and headwater streams across the United States.
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Scientific Documents related to Wetlands and Aquatic Resources in the U.S.
Summaries and links to scientific documents relevant to the Clean Water Act (CWA) and the protection of wetlands and aquatic resources in the United States, including the National Wetlands Inventory Report, National Resources Inventory Report and others.
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General Information about Solid Waste, Physical/Chemical Methods
General Test Methods, Frequent questions
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EnviroAtlas Dynamic Data Matrix
This interactive resource makes it easy to search all 300+ Data Layers and access their fact sheets.
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Frequent Questions about the Enhancing State and Tribal Program Initiative
Frequently asked questions for ESTP
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Averaging, Banking, and Trading Template for Small Nonroad Spark-Ignition Engine
Use this template to report for small nonroad spark-ignition engines.
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Light-Duty Vehicles and Light-Duty Trucks/Medium-Duty Passenger Vehicles: Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Light-Duty Vehicles and Light-Duty Trucks/Medium-Duty Passenger Vehicles.
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User Registration and Role Sponsorship Demonstration Webinar
This page contains the January 15, 2020 webinar for User Registration and Role Sponsorship Demonstration on the Engines and Vehicles Compliance Information System.
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Locomotives (Freshly Manufactured): Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Locomotives (freshly manufactured).
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Guidance and Templates: System Conversion for Clean Alternative Fuels to be Used on Intermediate Age and Outside Useful Life Vehicles or Engines
Conversion demonstration information for clean alternative fuels.
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Partnership Agreement for Manufacturers
WaterSense has provided a partnership agreement for manufacturers who may not be able to access the online version..
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About the Technical Support Project's Federal Facilities Forum
A page about the TSP Fed Facilities Forum which replaces the paper-focused brochure.
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Water Quality Standards: Establishment of a Numeric Criterion for Selenium for Fresh Waters in California
EPA is proposing to revise the current federal Clean Water Act selenium water quality criterion applicable to certain fresh waters of California.
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Resources
This webpage provides additional resources on coastal wetlands including a one-page factsheet, sample toolkits for dealing with various issues relevant to coastal wetlands, and additional federal agency resources.
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International Research Collaboration Identifies Previously Unknown Chemical Compound in Drinking Water
Learn about the innovative methods that allowed a research team to identify an unidentified disinfection byproduct.
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Meet EPA Researcher Helen Buse, Ph.D.
Meet EPA Researcher Helen Buse, PhD.!
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ChemExpo Knowledgebase: A New Way to Explore Chemical Use Information
EPA recently released a beta version of ChemExpo, a free search and visualization tool for exploring chemical use data relevant to exposure assessment.