Air Quality Statistics reports and Monitor Values reports (for CO) generated prior to April 9, 2012 on AirData provided the 2nd max instead of the non-overlapping 2nd max for CO (8-hour). The non-overlapping 2nd max is associated with the 8-hour CO standard. These AirData reports now provide the non-overlapping 2nd max for CO (8-hour). Also, these reports now show annual CO statistics with one decimal place.
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