Data and Tools

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).

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.

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 - Lindon, UT

Exceptional Events Documents PM2.5 - Plumas and Shasta Cos. series 2

Exceptional Events Documents PM2.5 - Plumas and Shasta Cos. series 1

Exceptional Events Documents PM2.5 - Kona, Hawaii

Exceptional Events Documents PM10 - Silverbow Co., MT

Exceptional Events Documents Ozone - Wyoming

Exceptional Events Documents Ozone - Kansas

PDF documents associated with ozone exceptional events for Kansas City, Wichita, and Topeka areas, KS.

Exceptional Events Documents Ozone - Sacramento County, CA

PDF documents associated with ozone exceptional events for Sacramento County, CA.

Exceptional Events Documents PM2.5 - Granite City, IL

PDF documents associated with PM2.5 exceptional events for Granite City, IL.

Exceptional Events Documents Particulate Matter - Klamath Falls, OR

Exceptional Events Documents Ozone - Washoe, Nevada

Exceptional Events Documents PM10 - Las Vegas Valley

Exceptional Events Documents PM10 - Phoenix, AZ

Exceptional Events Documents PM2.5 - Rose Park and West Valley, UT

How the W126 index value is calculated

This is a simple step-by-step guide to show how to calculate a W126 value.

Draft Analyses of PM Data for the PM NAAQS Review - Cover Memo

This is the three-page cover memo summarizing the analyses.

Analyses of 1999 PM Data for the PM NAAQS Review

These files document all analyses conducted in association with the EPA memorandum from Terence Fitz-Simons, Scott Mathias, and Mike Rizzo titled "Analyses of 1999 PM Data for the PM NAAQS Review," November 17, 2000.