Summary

EPA is finalizing approval of a State Implementation Plan (SIP) submission from the State of California regarding certain interstate transport requirements of the Clean Air Act (CAA or “Act”). This submission addresses the 2008 ozone national ambient air quality standards (NAAQS), the 2006 fine particulate matter (PM_2.5) and 2012 PM_2.5 NAAQS, and the 2010 sulfur dioxide (SO₂) NAAQS. The interstate transport requirements under the CAA consist of several elements; this final rule pertains only to significant contribution to nonattainment and interference with maintenance of the NAAQS in other states.

Dates

This final rule is effective on January 18, 2019.

Addresses

EPA has established a docket for this action under Docket ID No. EPA-R09-OAR-2017-0177. All documents in the docket are listed on the www.regulations.gov website. Although listed in the index, some information is not publicly available, e.g., Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, is not placed on the internet and will be publicly available only in hard copy form. Publicly available docket materials are available through www.regulations.gov, or please contact the person identified in the For Further Information Contact section for additional availability information.

For Further Information Contact

Rory Mays (mays.rory@epa.gov), Air Planning Office (AIR-2), EPA Region IX, (415) 972-3227