Connecticut D epartment of ENERGY &

79 Elm Street• Hartford, CT 06106-5127 www.ct.gov/deep Affirmative Action/Equal Opportunity Employer April 22 , 2014 David B. Conroy, Chief Air Programs Branch United States Environmental Protection Agency

- Region 1 5 Post Office Square

- Suite 100 Mail Code OEP05-02 Boston, MA 02109-3912 

### Re: Revision to the Connecticut State Implementation Plan to Limit the Sulfur Content of Fuels Oils Burned in Stationary Sources Dear Mr. Conroy : This package is a revision to the State Implementation Plan (SIP) concerning the sulfur content offuel oils burned in stationary sources. Pursuant to 40 CFR 51 , Appendix V, Section 2.l(a) a copy ofthe final regulation and documentation ofthe public hearing are provided. The adoption ofthis proposal completes a commitment made in Connecticut' s Regional Haze SIP. In addition to the submission ofthe new requirements into the SIP, the Connecticut Department ofEnergy and Environmental Protection (DEEP) requests the withdrawal ofConsent Order No. 7019A, which was submitted to you as a SIP revision on July 1, 2004. Effective April 15 , 2014, DEEP adopted section 22a-l74-19b ofthe Regulations ofConnecticut State Agencies (RCSA), which includes fuel sulfur content restrictions for distillate, residual, kerosene and aviation fuels used in all non-mobile equipment such as boilers, turbines and engines. These new fuel sulfur content restrictions replace the less stringent fuel sulfur content limits that were contained in RCSA section 22a-l 74-19 prior to April 15, 2014. DEEP also made minor clarifying revisions to RCSA sections 22a-l74-5(a) and 22a-l74-19a and added an allowable test method to RCSA section 22a-174-5(b)(1 ). All ofthese revisions are elements of this SIP revision and are included in Attachment A. All required state and federal procedures for public participation were followed, including satisfaction ofthe requirements of40 CFR 51 , Appendix V, Section 2. To demonstrate satisfaction ofthe federal public participation requirements , we have enclosed a certified copy of the regulatory revisions; the public notice ; a list ofattendees at the public hearing ; certification ofpublic hearing; and a hearing report, which summarizes comments received, identifies the commenters and describes changes made as a result ofthe comments. DEEP has the necessary legal authority to adopt and implement such requirements. Consent Order No

. 7019A was issued to the Hamilton Sundstrand division ofUnited Technologies on October 3 , 2003 and limits the fuel sulfur content offuels burned in certain boilers at the Windsor Locks facility. The fuel sulfur limits in this consent order are lessPage 2 David B

. Conroy April 22, 2014 stringent than those in RCSA section 22a-174-19b; therefore, the consent order is no longer necessary. For your reference, a copy ofConsent Order No. 7019A is included as Attachment G. The following attachments are included with this letter: Attachment A Revisions to RCSA sections 22a-174-19 and 22a-174-19a marked with brackets and underlined text to show the changes to the current SIP requirements and adoption ofRCSA section 22a-174-19b, effective on April 15, 2014, in the form filed with the Secretary ofthe State. Attachment B Public notice as published on the website ofthe Connecticut Secretary ofthe State and on the DEEP website on August 21 , 2013. Attachment C Attendees at the public hearing on October 9, 2013, DEEP Headquarters, 79 Elm Street, Hartford, CT. Attachment D Certification ofpublic hearing. Attachment E Hearing report. Attachment F The Legislative Commissioners' Office report. Attachment G Consent Order No. 7019A. An electronic copy ofthis submission has also been mailed to the copy recipients listed below. I certify that such copy is an exact copy ofthis paper submission

. Ifyou require additional information or have any questions about this submission, please contact Wendy Jacobs ofthe Bureau ofAir Management at (860) 424-3457 or wendy.jacobs@ct.gov.

cc: Anne Arnold, EPA Region 1 Anne McWilliams, EPA Region 1 Sincerely,

# a;U~·- Anne R. Gobin Chief, Bureau ofAir Management