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To meet the Bay Area Air Quality Management District’s standard of “No Visible Dust”, we are currently targeting onsite dust levels of Particulate Matter sized 10 micrometers or less (PM10) to meet the threshold of 0.25mg/m3. When air monitors detect onsite dust levels to be above this level, additional dust control measures, also known as Best Management Practices (BMP), are implemented to bring dust levels below this threshold.
Schlage Lock Site Maximum Detection
Select a Date: Select a Station:
 

The following dates contain baseline data: 2/3/09, 2/4/09, and 3/23/09

A01NW
A01S
A01W
StationMax ConcentrationUnits
A01NE0.152 mg/m3
A01NW0.031 mg/m3
A01S0.073 mg/m3
A01W0.011 mg/m3
A02NE0.152 mg/m3
A03SE0.236 mg/m3
wind data not available

A02NE
A02SE
A03SE
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