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pqao -- Changes to ARB Air Quality Monitoring Network
Posted: 11 Apr 2012 15:30:59
The California Air Resources Board (ARB) would like to alert you of recent changes to the ARB’s air quality monitoring network. Details of the changes are available on the Internet at: http://www.arb.ca.gov/aaqm/qa/pqao/listserve/changes.pdf This letter provides details of the following network changes: 1.Replace “hockey pucks” with original Teledyne API filter housings on API 400E’s 2.New quality control (QC) limits 3.Ozone calibration changes 4.Replacement of instruments – CO and SO2 5.Reduction of auto-calibration precision and span QC check levels 6.NOx Range Change 7.BAM Zero Check 8.Zero Air Accuracy For additional information regarding the ARB PQAO and the resources available to monitoring organizations with the ARB PQAO, please visit the ARB PQAO Homepage at: http://www.arb.ca.gov/aaqm/qa/pqao/pqao.htm