05-1632. Adequacy Status of the Spokane, WA Carbon Monoxide Maintenance Plan and Redesignation Request for Transportation Conformity Purposes

AGENCY:

Environmental Protection Agency (EPA).

ACTION:

Notice of adequacy.

SUMMARY:

In this notice, EPA is notifying the public that we have found that the motor vehicle emissions budget contained in the submitted Spokane Carbon Monoxide Maintenance Plan and Redesignation Request is adequate for transportation conformity purposes. On March 2, 1999, the D.C. Circuit Court ruled that submitted State Implementation Plans (SIPs) cannot be used for conformity determinations until EPA has found them adequate. This affects future transportation conformity determinations prepared, reviewed and approved by the Spokane Regional Transportation Council, Washington State Department of Transportation, Federal Highway Administration and the Federal Transit Administration.

DATES:

This finding is effective February 14, 2005.

FOR FURTHER INFORMATION CONTACT:

The finding is available at EPA's conformity Web site: http://www.epa.gov/​otaq/​transp.htm, (once there, click on the “Transportation Conformity” button, then look for “Adequacy Review of SIP Submissions”). You may also contact Wayne Elson, U.S. EPA, Region 10, Office of Air, Waste, and Toxics (AWT-107), 1200 Sixth Ave, Seattle WA 98101; [phone] or [e-mail].

SUPPLEMENTARY INFORMATION:

Background

Today's notice is simply an announcement of a finding that we have already made. EPA Region 10 sent a letter to the Washington Department of Ecology January 13, 2005, stating that the SIP is adequate for transportation conformity purposes.

Transportation conformity is required by section 176(c) of the Clean Air Act. EPA's conformity rule requires that transportation plans, programs, and projects conform to SIPs. Conformity to a SIP means that transportation activities will not produce new air quality violations, worsen existing violations, or delay timely attainment of the national ambient air quality standards.

The criteria by which we determine whether a SIP is adequate for conformity purposes are outlined in 40 CFR 93.118(e)(4). Please note that an adequacy review is separate from EPA's completeness review and it also should not be used to prejudge our ultimate approval of the SIP. Even if we find a SIP adequate for conformity, the SIP could later be disapproved. For the reader's ease, the 2002 motor vehicle emission budget excerpted from the Maintenance Plan is 279 tons per winter time day of carbon monoxide.

We have described our process for determining adequacy in SIPs in guidance dated May 14, 1999. This guidance is now reflected in the amended transportation conformity rule, July 1, 2004 (69 FR 40004). We followed this process in making our adequacy determination.

Authority: 42 U.S.C. 7401-7671q.

Dated: January 20, 2005.

Julie M. Hagensen,

Acting Regional Administrator, Region 10.