March 2009 - State designation recommendations due to EPA, based on 2005-2008 monitoring data (three year average of the annual fourth highest monitor reading at each regulatory monitor)
March 2010 - EPA designates nonattainment areas, based on 2007-2009 monitoring data (three year average of the annual fourth highest monitor reading at each regulatory monitor)
December 2009 - SA-BC MPO 2035 long-range plan deadline