Data and Tools
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General Conformity Training Module 4.1: State, Tribal, and Local Involvement
Module 4.1 explains houw State, tribal and local air quality agencies have a number of responsibilities under the General Conformity Regulations and what they are.
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De Minimis Tables
De minimis Tables
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General Conformity Training Module 2.1: Applicability Process
Module 2.1 explains how emissions from the total action are used to determine if they exceed the de minimis levels.
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General Conformity Training Module 1.2: Who and How
Module I provides an overview of the program purpose. 1.2 describes who makes the General Conformity Determination and how it is done.
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General Conformity Training Module 3.3: Response to Emergency Events
Module 3.3 provides detailed information on how federal agencies respond to emergencies and allowances under the General Conformity Regulations.
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General Conformity Training Module 2.2: Emissions and Review
Module 2.2 provides a definitions for direct and indirect emissions, and how emissions are evaluated under General Conformity Regulations.
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EPI Suite™-Estimation Program Interface
EPISuite predicts various physical-chemical properties and environmental fate endpoints and also include models for environmental transport. Running the tool will give the user an indication of the transport and persistence of a chemical
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RadTown Radioactive Atom Activity 5: Half-Life
When a radioactive atom decays, it becomes a different element. The amount of time that it takes one half of the atoms present to decay is called “half-life.” Help your students understand half-life with this free classroom activity.
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Drinking Water State Revolving Fund Program Information for the State of Kansas
Federal and State investments for Drinking Water Programs for the state of Kansas
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Geospatial Toolboxes
GIS toolboxes available as part of EnviroAtlas
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Interactive Map of Air Quality Monitors
map of air quality monitors
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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