The Sacramento Metropolitan Air Quality Management District (SMAQMD) is issuing a final public notice for the evaluation of currently-active and privately-held PM10 ERC’s in order to identify the PM2.5 portion of each certificate. The preliminary public notice was published in the Sacramento Bee on June 20, 2012. The identification of the amount of PM2.5 was based on CARB’s Speciation Profiles. The District will be reissuing the ERC certificates to identify the portion of PM10 that is PM2.5. The final evaluation of the PM2.5 may be reviewed at the SMAQMD office, 777 12th Street, Third Floor, Sacramento, CA 95814 or may be downloaded from the District’s website at: www.airquality.org. For further information, please call Ali Mohamad, Associate Air Quality Engineer at (916) 874-4850.