AQS Memos - Archive Data
In the table below, you find information on AQS that has been archived.
| Memo Date | 
			 Memo Name/Contents 
			 | 
		
|---|---|
| 1-31-14 | 
			 AQS Update for Jan. 31,2014  | 
		
| 6-28-13 | 
			 AQS Status Update for June 28, 2013  | 
		
| 10-01-12 | Reversal of July 23, 2012 change to Ozone 8-Hour Design Value Calculations | 
| 8-28-12 | 
			 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 | 
| 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 |