Science & Technology
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Upper Columbia River Superfund site
Information about EPA's study of hazardous waste contamination in the Upper Columbia River in Washington.
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Adequacy Review of State Implementation Plan (SIP) Submissions for Conformity
This page is for state and local air quality regulators and transportation planners that offers guidance on how to reduce air pollution from cars, diesel trucks, city and school buses, construction equipme
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Remote Sensing Information Gateway
Remote Sensing Information Gateway, a tool that allows scientists, researchers and decision makers to access a variety of multi-terabyte, environmental datasets and to subset the data and obtain only needed variables, greatly improving the download time.
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Summary of Oklahoma's Water Reuse Guideline or Regulation for Agriculture
Oklahoma (State Regulation) | Source water: Treated municipal wastewater | End use: Agriculture
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Summary of Oklahoma's Water Reuse Guideline or Regulation for Industry Process Water for Centralized Non-potable Reuse
Oklahoma (State Regulation) | Source water: Treated municipal wastewater | End use: Centralized non-potable water reuse
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Summary of Oregon’s Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse
Oregon (State Regulation) | Source water: Onsite collected waters | End use: Onsite non-potable water reuse
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Oil and Gas Alternative Test Methods
Oil and Gas Alternative Test Method page
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2021 Emissions Modeling Platform
Modeling files from the 2019 Emissions Modeling Platform
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Summary of Vermont’s Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse
Vermont (State Guidance) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse
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Summary of Virginia’s Water Reuse Guideline or Regulation for Onsite Non-potable Water Reuse
Virginia (State Regulation) | Source water: Onsite Collected Waters | End use: Onsite Non-Potable Water Reuse
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Summary of Washington’s Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse
Washington (State Regulation) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse
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Summary of Washington's Water Reuse Guideline or Regulation for Environmental Restoration
Washington (State Regulation) | Source water: Treated municipal wastewater | End use: Environmental restoration
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Summary of North Carolina’s Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse
North Carolina (State Regulation) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse
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Summary of Minnesota's Water Reuse Guideline or Regulation for Stormwater for Centralized Non-Potable Reuse
Minnesota (State Regulation) | Source water: Stormwater | End use: Centralized Non-Potable Reuse
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Summary of Minnesota's Water Reuse Guideline or Regulation for Stormwater for Industry
Minnesota (State Regulation) | Source water: Stormwater | End use: Industry
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Summary of California's Water Reuse Guideline or Regulation for Industry
California (State Regulation) | Source water: Treated municipal wastewater | End use: Water reuse for industry
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Summary of Illinois’ Water Reuse Guideline or Regulation for Landscaping and Onsite Non-potable Water Reuse
Illinois (State Regulation) | Source water: Onsite Collected Waters | End use: Landscaping and Onsite Non-Potable Water Reuse
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Environmental Topics
EPA's resources on environmental issues include research, basics, what you can do, and an index covering more specific terms.
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Summary of Hawai'i's Water Reuse Guideline or Regulation for Landscaping
Hawai'i (State Regulation) | Source water: Treated municipal wastewater | End use: Landscaping
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Summary of Hawai'i's Water Reuse Guideline or Regulation for Impoundments
Hawai'i (State Regulation) | Source water: Treated municipal wastewater | End use: Impoundments