Data and Tools
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EPA Regulation Navigation Tools
home page for all 4 regulation navigation tools
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Summary of Delaware's Water Reuse Guideline or Regulation for Landscaping
Delaware (State Regulation) | Source water: Treated municipal wastewater | End use: Landscaping
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Summary of Delaware's Water Reuse Guideline or Regulation for Agriculture
Delaware (State Regulation) | Source water: Treated municipal wastewater | End use: Agriculture
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Summary of South Carolina's Water Reuse Guideline or Regulation for Landscaping
South Carolina (State Regulation) | Source water: Treated municipal wastewater | End use: Landscaping
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Contact EPA about COBRA
This is the contact us page for the COBRA tool.
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Controlling Pollutants and Sources: Indoor Air Quality Design Tools for Schools
To protect indoor environmental quality the designer should understand indoor air quality problems and seek to eliminate potential sources of contamination that originate from outdoors as well as indoors.
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Smart Steps to Sustainability
Smart Steps to Sustainability provides small business owners and managers with practical advice and tools to implement
sustainable and environmentally-preferable business practices that go beyond compliance. -
Frequent Questions about Closeouts
EPA policy defines a closeout as the systematic process by which EPA determines that all required technical work under a grant or cooperative agreement has been completed by the recipient and EPA, and all applicable administrative requirements are met.
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National Air Quality: Status and Trends of Key Air Pollutants
EPA sets national air quality standards for six common air pollutants. Each year EPA tracks the levels of these air pollutants in the air. EPA posts the results of our analyses to this web site.
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Ozone W126 Index
The impact of ozone exposure on trees, plants and ecosystems often is assessed using a seasonal index known as a "W126 index."
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Lead NAAQS Review: Comparison of Numbers/Percents of Sites/Counties/Populations That are Not Likely to Meet Various Potential NAAQS Levels Using Various Averaging Times and Forms
Technical memo showing comparisons of various potential naaqs levels
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Exceptional Events Documents PM2.5 - Plumas Co.
Exceptional Events Documents PM2.5 - Plumas Co.
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Analysis relating the W126 metric and the annual 4th highest daily maximum 8-hour concentration metric (Nov 20, 2014 technical memorandum)
This memo provides the results of a technical analysis which examines the relationship between the 4th max metric and the W126 metric based on ambient air quality from 2001 to 2013.
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Lead NAAQS Review: Comparison of Numbers/Percents of Sites/Counties/Populations That are Not Likely to Meet Various Potential NAAQS Levels Using Various Averaging Times and Forms
This is the memorandum documenting analyses to support the lead NAAQS review.
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Best Communication Practices for Preparation of Exceptional Event Demonstrations
OAQPS developed this document of Best Practices based on input received from EPA regional offices and selected state/local air agencies who submitted Exceptional Event Demonstrations under the 2007 version of the Exceptional Events Rule (EE Rule).
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Public Notice of Exceptional Events - Uinta Basin of Utah
This page contains an announcement of public comment for exceptional events in the Uinta Basin of Utah, along with a technical support document containing details.
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One Point Quality Control Single Point Precision and Bias Graphics For Criteria Pollutants
This document defines the elements displayed in the corresponding box and whisker graphics as
well as base assumptions of the data contained within the AQS AMP256 report. -
Exceptional Events Documents PM2.5 - Montana
Exceptional Events Documents PM2.5 - Montana
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Exceptional Events Documents PM2.5 - Lindon, UT
Exceptional Events Documents PM2.5 - Lindon, UT
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Exceptional Events Documents PM2.5 - Plumas and Shasta Cos. series 2
Exceptional Events Documents PM2.5 - Plumas and Shasta Cos. series 2