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AQS Memos - Archive Data

In the table below, you find information on AQS that has been archived.

Memo Date
Memo Name/Contents

AQS Update for Jan. 31,2014

AQS Patch Description


AQS Status Update for June 28, 2013

Technical Note - POC 6-28-13
QA Data Input Formats


In preparation for the new AQS Data Certification Report, a new monitor agency role of “CERTIFYING” has been created. This role specifies the agency that is responsible for certifying the monitor’s data. The certifying agency role has been initially populated based upon EPA Regional Office input. The following spreadsheets show the initial assignments made based upon Regional Office comment.

Count of Monitors by PQAO
Monitors without Certifying Agency
10-01-12 Reversal of July 23, 2012 change to Ozone 8-Hour Design Value Calculations

Change of standard units & removal of 1/2 MDL substitution & PM10 specified metals

1-14-11 Wind Speed and Wind Direction Parameter Name Change
1-11-11 NO2 and SO2 NAAQS Revisions to AQS (Additions to Phase I) - standard units fo NO2 and SO2 related parameters changed to PPB
5-14-10 Revised Software release Notes for May 14, 2010
3-19-09 Non Regulatory Monitor Type Guidance
10-08-08 Tribal Reporting to AQS
12-18-07 E-Mail: Instructions for Adding Exceptional Event Comments to Flags
3-9-07 AQS Geospatial Doc