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desig -- Recommended Area Designations for Revised Federal Ozone Standard

Posted: 08 Sep 2016 09:44:20
On October 1, 2015, the U.S. EPA revised the federal 8-hour
average ozone standard, lowering the standard from 0.075 parts
per million (ppm) to 0.070 ppm. ARB staff has prepared a Staff
Report containing recommendations for area designations and
associated boundaries in California based on ambient ozone air
quality data monitored from 2013 through 2015.  The Staff Report
is available at:

http://www.arb.ca.gov/desig/8-houroz/8-houroz.htm

Additional information regarding federal ozone standard
designations can also be found on the same website.


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