Butte County Air Quality Management Plans

This page last reviewed March 17, 2014


This page contains information regarding recent and historical SIP activity related to Butte County Air Quality Management District (District)
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2012 Chico, CA/Butte County (partial) Planning Area PM2.5 Emission Inventory

At a public meeting held on October 18, 2012, the Air Resources Board (ARB) 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.  The information on this page provides links to ARB and District documentation, as well as U.S. EPA actions.

ARB Documents District Documents
    U.S. EPA Documents and Actions
    • Direct Final Rule:  Approval and Promulgation of Implementation Plans; California San Francisco Bay Area and Chico Nonattainment Areas; Fine Particulate Matter Emission Inventories [EPA-R09-OAR-2013-0599; FRL-9906-92-Region-9] [79 FR 14404] (pdf - 296 kb)
    • 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 [EPA-R09-OAR-2012-0800; FRL-9900-69-Region9] [78 FR 55225] (pdf - 261 kb) 
    • 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 [EPA-R09-OAR-2012-0800; FRL-9746-9] [77 FR 65651](pdf - 266 kb) 





    California State Implementation Plan

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