# S L 

# E OF ' SEAN PARNELL, GOVERNOR 410 Willoughby Avenue, Suite 303

1800 1 8111- DEPT. OF ENVIRONMENTAL CONSERVATION Ju st P Office Box 11 uneau, Alaska 998 -1800 

### OFFICE OF THE COMMISSIONER Phone: 907-465-5066 Fax: 907-465-5070 www. dec. state. ak. us November 13, 2009 Michelle Pirzadeh, Acting Regional Administrator U.S. EPA, Region 10 1200 6th Avenue, Suite 900 (Mail Stop RA-140) Seattle, WA 98101 Dear Ms. Pirzadeh: This letter provides for your approval amendments to Alaska ' s State Air Quality Control Plan (SIP), adopted by reference into Alaska Administrative Code (AAC) at 18 AAC 50.030 with an effective date of November 4, 2009. The revisions primarily affect the state's vehicle inspection and maintenance program and Anchorage's carbon monoxide maintenance area plan, which are contained in Volume II, Sections III.A and III.B of Alaska's SIP. We are providing three paper copies and one electronic version of the following documents to Ms. Gina Bonifacino, of your staff:

• Alaska Administrative Code, Title 18, Chapter 50 Air Quality Control, and Chapter 52 Emissions Inspection and Maintenance Requirements for Motor Vehicles, with an effective date of November 4, 2009, to be published in Register 192, January 2010.

• Amended sections of the State Air Quality Control Plan, adopted by reference under 18 AAC 50.030 August 5, 2009, including: o Volume IT, Section II. Air Quality Control Program; o Volume II, Section III.A. Statewide Carbon Monoxide Control Program; o Volume II, Section III.B. Anchorage Transportation Control Program; and o Volume III, Appendices to Volume II (includes: 18 AAC 52 regulations, Anchorage emission inventory, Anchorage analysis for complying with the NAAQS for CO, and Anchorage I/M ordinances and code). The following supporting documents are also being provided: 1. Signed Sv Certified Adoption Order and Filing Certificate for Permanent Regulations, filed October 5, 2009 with an effective date of November 4, 2009. 2. Supplemental Notice of Public Comment, signed June 12, 2009; 3. Affidavit of Publication for the Supplemental Public Notice, signed June 26, 2009;Michelle Pirzadeh 2 November 13, 2009

4. Affidavit of Agency Record of Public Comment, signed August 12, 2009, indicating no written or oral public comments received; 5. Affidavit of Oral Hearing, signed September 21, 2009; 6. Certification of Public Hearing, signed July 15, 2009; 7. Affidavit of Notice of Proposed Adoption of Regulations and Furnishing of Additional Information, signed July 17, 2009; 8. Public Review Draft of proposed changes to 18 AAC 52 and 18 AAC 50 and showing subsequent changes with new language indicated by bold lettering and old language shown in brackets, dated June 8, 2009; and 9. A copy of the tracked regulation amendments prepared by the Department of Law in their transmittal packet to the Lt. Governor for filing, dated September 29, 2009. Mr. Scott Sloane is available to your staff to respond to questions or to otherwise assist. He can be phoned at (907) 465-5176. As always, I would be pleased to discuss any of this with you. Sincerely,

Larry Hartig Commissioner

cc: Steve Morris, Municipality of Anchorage (w/enclosures) Rick Albright, EPA Region 10 (w/o enclosures) Mahbubul Islam, Program Manager, EPA Region 10 (w/o enclosures) Gina Bonifacino, EPA Region 10 (w/ enclosures) Alice Edwards, Acting Director, Division of Air Quality, ADEC (w/o enclosures) Cynthia Heil, Acting Program Manager, ADEC (w/o enclosures)

O:ICOMM\WP12009109.212 EPA Air Quality SIP Revisions Statewide and Anchorage.docx