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o= ~Nrqt PROSEG~ March 7, 2008 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 1 1 CONGRESS STREET, SUITE 1100 BOSTON, MASSACHUSETTS 02114-2023

Barbara Kwetz, Director Planning &Evaluation Division Bureau ofWaste Prevention (BWP) Massachusetts Department of Environmental Protection One Winter Street, 8th Floor Boston, MA 02108 RE: Adequacy Status of Transportation Conformity Motor Vehicle Emissions Budgets Dear Ms
. Kwetz : By letter dated January 31, 2008, the Massachusetts Department of Environmental Protection (MADEP) submitted to EPA its 8-hour ozone attainment demonstration
. This State Implementation Plan (SIP) revision identifies 2008 and 2009 summer dayvolatile organic compound (VOC) and nitrogen oxides (NOX) motor vehicle emissions budgets (MVEBs) associated with reasonable further progress and attainment for both the Eastern and Western Massachusetts 8-hour ozone nonattainment areas. EPA New England has determined these MVEBs to be adequate for transportation conformity purposes. On February 5, 2008, EPAposted an announcement of availability on EPA's adequacy website,' for the motor vehicle emissions budgets included in Massachusetts' January 31, 2008 SIP revision
. The SIP revision was made available for public viewing at both the EPA New England Regional Office and at the Massachusetts Department of Environmental Protection's Bureau of Waste Prevention Office
. In addition, the SIP revision was made available on the MA DEP website.2 No comments were received during the 30day adequacy comment period
. The MVEBs, in tons per summer day (tpsd), are stated in the table below : 2008 and 2009Ade

q uate Motor Vehicle Emissions Bud g ets

_ Boston-Lawrence-Worcester (Eastern Massachusetts) Area Springfield (Western Massachusetts) Area VOC(t sd) NO,, t sd VOC t sd) NO,, (t sd) Year 2008 68.30 191 .30 11 .80 31 .30 Year 2009 63.50 174.96 10.73 27.73

1 hiV://www

ena.gov/otac/stateresources/transconf/currsins .htm 2 htttp://w

ww mass.QOV/den/air/yriorities/sipoz07 .htm

Toll Free e 1-888-372-7341 Internet Address (URL) " http://www .epa,gov/regionl Recycled/Recyclable -Printed with Vegetable Oil Based Inks on Recycled Paper (Minimum30%Postconsumer) ~SEOST,qlThese conformity budgets will become effective for conformity determinations 15 days

after EPA publishes an announcement of this adequacy determination in the Federal Re ister
. We will be publishing the Federal Reg ister notice announcing our adequacy finding in the near future
. If you or your staffwould like to discuss this further, please contact Donald Cooke of my staffat (617) 918-1668
. Sincerely,
OZ4~~ ~- " Anne E
. Arnold, Manager Air Quality Planning Unit cc: Richard Doyle, Administrator, FTA - Region 1, Cambridge, MA Peter Butler, FTA- Region 1, Cambridge, MA Lucy Garliauskas, Division Administrator, FHWA - MA Division, Cambridge, MA Michael Chong, FHWA -Massachusetts Division, Cambridge, MA Paul Maloney, FHWA - Massachusetts Division, Cambridge, MA Damaris Santiago, FHWA - Massachusetts Division, Cambridge, MA Nancy Seidman, MA DEP- Boston, MA Christine Kirby, MA DEP - Boston, MA Jerome Grafe, MA DEP- Boston, MA Bob Frey, Massachusetts Highway Dept
. - BTP&D- Boston, MA