# A((SLu STATE OF CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION

December 1, 2004 Robert W

. Varney, Regional Administrator United States Environmental Protection Agency - Region 1 EPA, New

England One Congress Street, Suite 1100 Boston, MA 02114-2023 Re: Revision to the Connecticut State Implementation Plan -- Adoption of Connecticut Regulatory Amendments and New Sections; Additional Control Measures in Support ofAttainment of the 1Hour Ozone Standard Dear Administrator Varney: Pursuant to 40 CFR51, Appendix V, Section 2 .1(a), I amsubmitting an original and five copies ofthis letter and supporting materials on behalf of the State of Connecticut Department of Environmental Protection (Department) to request that your agency approve the enclosed materials as a revision to the Connecticut State Implementation Plan (SIP) for air quality. This SIP revision consists of five regulatory changes; three of these changes are measures that achieve emissions reductions to support 2007 attainment of the 1-hour ozone national ambient air quality standard. This entire package and supporting material is also available on the Department's web site at the following location: http://www .dep.state .ct .us/air2/siprac/2004/sip04 .htm#dec. Specifically, the enclosed regulatory changes include the following : ,~-- " Amendment of R .C.S.A. Section 22a-174-4, Source Monitoring, Record Keeping and Reporting " Amendment of R

.C.S.A. Section 22a-174-7, Air Pollution Control Equipment and

" New R .C.S.A. Section 22a-174-3b, Exemptions fromPermitting for Construction and Operation of Automotive Refinishing Operations " Amendment of R

.C.S .A . Section 22a-174-30, Dispensing of Gasoline/Stage I and Stage II Vapor Recovery " New R .C.S .A. Section 22a-174-43, Portable Fuel Container Spillage Control Visible Emissions erat_ion Amendment of R

.C.S.A. Section 22a-174-18, Control of Particulate Matter and

Adetailed explanation of each regulatory change and a complete list of the included administrative materials are provided in the attached Statement of the Revision. Three of the submitted regulatory changes -- Stage II vapor recovery at gasoline pumps, spillage control on portable fuel containers and volatile organic compound (VOC) restrictions for

I Printed on Recycled Paper 1 79 Elm Street " Hartford, CT 06106 - 5127

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.W . Varney Page 2 automotive refinishing operations -- support 2007 attainment of the 1-hour ozone national ambient air quality standard. In combination with the amendment to Regulations of Connecticut State Agencies (R.C.S.A.) section 22a-174-38 to reduce emissions of nitrogen oxides (NOx) frommunicipal waste combustors that was approved as a SIP revision on December 11, 2001, these regulatory changes provide Connecticut with estimated emissions reduction benefits in excess ofthe EPA-identified shortfall of 5.4 tons per summer day for VOCs and 0 .5 tons per summer day for NOx. See Table 1 . I would like to thank you and your staff for your assistance in processing this SIP revision toward approval . Please get in touch with me at (860) 424-3026 if the Department may provide any assistance. Sincerely,

Anne R . Gobin Chief (Acting) Bureau ofAir Management cc: David Conroy, EPA Region 1 Enclosures ARG/MAG/mag