At a public meeting held on October 18, 2012, CARB approved the Chico, CA/Butte County (partial)PM2.5 Emission Inventory submittal to the State Implementation Plan. The PM2.5 Emission Inventory was submitted to the U.S. EPA on November 15, 2012.
Direct Final Rule: Approval and Promulgation of Implementation Plans; California San Francisco Bay Area and Chico Nonattainment Areas; Fine Particulate Matter Emission Inventories (March 14, 2014)
Final Approval: Determination of Attainment for the Chico Nonattainment Area for the 2006 Fine Particle Standard; California; Determination Regarding Applicability of Clean Air Act Requirements (September 10, 2013)
Proposed Rule: Determination of Attainment for the Chico Nonattainment Area for the 2006 Fine Particle Standard; California; Determination Regarding Applicability of Clean Air Act Requirements (October 30, 2012)