# STATE OF CONNECTICUT

DEPARTMENT OF ENVIRONMENTAL PROTECTION
January 22, 2010 Mr
. David Conroy United States Environmental Protection Agency -- Region 1 EPA, New

England 5 Post Office Square, Suite 100 Boston, MA02109-3912 Re: Revision to the Connecticut State Implementation Plan - Submittal of the Connecticut Low Emissions Vehicle Program as an Additional Control Strategy for the 8-Hour Ozone Attainment Demonstration Dear Mr
. Conroy, Pursuant to 40 CFR 51, Appendix V, Section 2 .1(a), I amsubmitting an original and two copies of this letter and supporting materials on behalf of the State of Connecticut Department of Environmental Protection (CT DEP) to requestthat your agency approve the enclosed material as a revision to the Connecticut State Implementation Plan (SIP) for air quality

. This proposed SIP revision consists of the Connecticut Low Emissions Vehicle Program(CT LEV), as adopted in 2004, and subsequently amended in 2005 and 2009
. The CT LEV programis cited as a weight-of-evidence measure in the 8-Hour Ozone Attainment Demonstration that Connecticut submitted to the United States Environmental Protection Agency as a proposed SIPrevision on February 1, 2008
. The CT LEVrequirements were adopted on December 4, 2004, and amended on December 22, 2005 and August 4, 2009, each time in accordance with all required state and federal procedures forpublic participation in satisfaction ofthe requirements of 40 CFR51, Appendix V, Section 2
. To demonstrate such compliance, a certified copy of the regulation for each rulemaking is enclosed along with the public notice, certification ofpublic hearing, and hearing reports, which include summaries of the comments received and a description of any changes made during the course of each rulemaking process. The materials necessary for your agency to process this SIPrevision are attached
. Please contact Tracy Babbidge at (860) 424-3027, ifyou have any questions or need any additional information
. Thank you for your assistance in this matter
. Yours truly,

~/1-1 ~ / (54 -- Anne Gobin, Chief Bureau ofAir Management Enclosures

( Printed on Recycled Paper ) 79 Elm Street " Hartford, CT 06106 - 5127

An Equal Opportunity EmploverAdministrative Materials

The attachments listed below provide evidence that all required state and federal procedures for public participation were followed in the adoption of the Connecticut Low Emission Vehicle program . Such attachments are included in satisfaction of the requirements of 40 CFR 51, Appendix V, Section 2
. The Low

Emissions Vehicle (CT LEV) program was adopted by the Connecticut Department of Environmental Protection (Department) in 2004
. In 2005, the Department made amendments to the program to maintain consistency with California by incorporating the LEV II Greenhouse Gas (GHG) changes
. In 2009the Department made additional amendments to the programto incorporate the Zero Emissions Vehicle, warranty, and recall changes that California made to its LEV11 program . The public notices and certifications of public hearing demonstrate that the Department held public hearings in accordance with the public notice and that the Department followed appropriate state and federal procedures for public participation
. The hearing reports include all of the comments received, as well as the Departments response thereto
. The submitted attachments include the following: Attachment A

: Final Regulation; Attachment B: Notice of Public Hearing fromthe CT LEVadoption, March 2004; Attachment C

: Notice of Public Hearing from the CT LEVGHGamendments, July 2005; Attachment D

: Notice of Public Hearing fromthe CT LEVZEV amendments, November 2008; Attachment E: Certification of Public Hearing fromthe CT LEVadoption, April 2004; Attachment F

: Certification of Public Hearing from the CT LEV GHGamendments, August 2005; Attachment G

: Certification of Public Hearing fromthe CT LEV ZEV amendments, December 2008; Attachment H

: Hearing Report fromthe CT LEVadoption, May 2004; Attachment I : Hearing Report fromthe CT LEV GHGamendments, August 2005; Attachment J : Hearing Report fromthe CT LEV ZEV amendments, December 2008; Attachment K

: Secretary ofState certified regulation, December 2004; Attachment L: Secretary of State certified regulation, December 2005; and Attachment M

: Secretary of State certified regulation, August 2009
.