Data and Tools
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Capture Zone Analytic Element Model (CZAEM)
CZAEM is a single-layer model for simulating steady flow in homogeneous aquifers using the Analytic Element Method. CZAEM generates output on ground water capture zones and residence times.
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Non-aqueous Phase Liquid (NAPL) Simulator
NAPL Simulator conducts a simulation of the contamination of soils and aquifers that results from the release of organic liquids commonly referred to as nonaqueous-phase liquids.
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Finding and Managing Your Uploaded Files
Files, or media, may include images, audio, video, and documents. Learn how to locate and manage files you have previously uploaded to the WebCMS using the Media tab.
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Required SIP Elements by Nonattainment Classification
SIP requirements by classification
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Basic QA Tests for Web Council Staff
WebCMS users can help QA new code deployed to the EPA staging WebCMS prior to that code being deployed to the live site.
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Timeline of Particulate Matter (PM) National Ambient Air Quality Standards (NAAQS)
The table includes federal register citations for each revision to the national ambient air quality standards (NAAQS) for particulate matter (PM), and acceptable total suspended particles.
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Meaningful Analysis of the Fiscal Year 2013 Service Contract Inventory
This page contains the Meaningful Analysis of the Fiscal Year 2013 Service Contract Inventory for the EPA's Service Contract Inventory.
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Summary of Georgia's Water Reuse Guideline or Regulation for Potable Water Reuse
Georgia (State Regulation) | Source water: Treated municipal wastewater | End use: Potable Water Reuse
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Summary of Georgia's Water Reuse Guideline or Regulation for Agriculture
Georgia (State Regulation) | Source water: Treated municipal wastewater | End use: Agriculture
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Summary of Georgia's Water Reuse Guideline or Regulation for Landscaping
Georgia (State Regulation) | Source water: Treated municipal wastewater | End use: Landscaping
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Summary of Minnesota's Water Reuse Guideline or Regulation for Stormwater for Landscaping
Minnesota (State Regulation) | Source water: Stormwater | End use: Landscaping
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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 North Carolina's Water Reuse Guideline or Regulation for Onsite Non-Potable Water Reuse
North Carolina (State Regulation) | Source water: Onsite Collected Waters | End use: 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 North Carolina's Water Reuse Guideline or Regulation for Industrial Process Water for Industry
North Carolina (State Regulation) | Source water: Industrial Process Water | End use: Industry
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Summary of Tennessee's Water Reuse Guideline or Regulation for Consumption by Livestock
Tennessee (State Regulation) | Source water: Treated Municipal Wastewater | End use: Consumption by Livestock
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Summary of Tennessee's Water Reuse Guideline or Regulation for Landscaping
Tennessee (State Regulation) | Source water: Treated Municipal Wastewater | End use: Landscaping
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Community and Citizen Science Webinar Archive
Archive page for the December webinar on citizen science.
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Drinking Water State Revolving Fund Program Information for the State of North Dakota
Provides cumulative national financial data about the Drinking Water State Revolving Fund (DWSRF)
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Clean Air Act Permit Modeling Guidance
This section provides recommendations on modeling techniques and guidance for estimating pollutant concentrations in order to assess control strategies and determine emission limits.