Summary

EPA is taking final action to approve a revision to the Yolo-Solano Air Quality Management District (YSAQMD or “District”) portion of the California State Implementation Plan (SIP). This revision concerns the District's demonstration regarding Reasonably Available Control Technology (RACT) requirements for the 1997 8-hour ozone National Ambient Air Quality Standard (NAAQS). The EPA is also taking final action to approve YSAQMD's negative declarations into the SIP for the 1997 8-hour ozone NAAQS. We are approving local SIP revisions under the Clean Air Act (CAA or the Act).

Action

Final rule.

Dates

This rule will be effective on May 7, 2018.

Addresses

EPA has established a docket for this action under Docket ID No. EPA-R09-OAR-2008-0612. 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 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

Stanley Tong (tong.stanley@epa.gov), EPA Region IX, (415) 947-4122