Energy & environment · 23/03/2010

EPA Proposes Determination for California's Coso Junction Nonattainment Area

The Environmental Protection Agency (EPA) is proposing to determine that the Coso Junction nonattainment area in California has met the 24-hour National Ambient Air Quality Standard for particulate matter with an aerodynamic diameter less than or equal to 10 micrometers, based on monitored air quality data from 2006 to 2010.