MARYLAND DEPARTMENT OF THE ENVIRONMENT

MDE i?3:,yril1Tf:i.ffigii'Bartimore MD 21230

Martin O'Malley

Govemor

Anthony G. Brown

Lieutenant Governor

December 4, 2008

Shari T. Wilson

Secretary

Robert M. Summers, Ph.D.

Deputy Secretary

Ms. Judith M. Katz

Director, Air Protection Division

EPA Region III (3AP00)

1650 Arch Street

Philadelphia, P A 19 1 03 -2029

Dear Ms. Katz:

On June 4, 2007 the State of Maryland submitted a SIP revision entitled the Cecil County,

Maryland 8-Hour Ozone State Implenentation Plan and Base Year Inventory, dated

June 15, 2007,to EPA requesting its approval as a State Implementation Plan (SIP) pursuant to

Section 110 of the Clean Air Act. The June4,2007 submittal consisted ofplans addressing four

elements required by sections 172(c) and 182 ofthe Clean Air Act as implemented by Subpart X

of40 CFR Part 51 for moderate and above 8-hour ozone nonattainment areas. These elements are

the 2002 base year emissions inventory, the 1 5 percent reasonable frrther progress plan (RFP plan)

for 2008, the attainment demonstration, and the contingency measures. The purpose of this letter

is to identiff the RFP plan and related elements, including the 2002 base year emissions hventory

ofthe June 15, 2007 plan.

The RFP plan provides for emission reductions by 2008 ofat least 15 percent from baseline

emissions required by Section 182(bX1) as implemented by 40 CFR $51.910(aX1)(iXA) aad

consists ofthe following portions ofthe June 15,2007 plan document:

r The 2002 base year emissions inventory: Section 3.0 and Appendix A;

o The RFP targets: Section 5.0. specifrcally Section 5.2 and Appendix C;

. The 2008 uncontrolled and controlled inventories: Section 4.0, excluding Section 4.6,

and Appendix B and Appendix C;

o The 2008 RFP reduction measures and reductions and the RFP demonstration:

Section 5.0, the 2008 emission reduction calculations in Section 6.0, and Appendix C

and Appendix D;

TTY Us€n 1-800-?35-2258

Via Maryland Relay Service @ RecYcled PaPer www.mde.state.md.us
Ms. Judith M. Katz

Page Two

The enforceable commitments/implementation schedules: Section 9.0;

The 2008 RFP mobile conformity budgets: Section 5.0 and Section 8.0 excepthe

paragraph and the table titled "Attainment Year Mobile Budgets" and *2009 Attainment

Mobile Budgets for the Cecil County Nonattainment Are4" respectively, in Section 8.2,

and Appendix F;

o The contingency measures: Section 10.0; and

r The "general/executive summary/introductory" sections/chapters which ought to be

specified as being treated as part of the RFP plan: Sections 1.0 and 2.0.

Also enclosed with our June 4,2007 letter were administrative and other materials related to the

public notice and hearing among other things. These other materials constitute part of the

submittal for each of the SIP revision elements detailed above.

If you have any questions regarding this letter, or require additional information, please contact

Mr. George (Tad) S. Abum, Jr., Director of the Air and Radiation Management Administration at

410-537 -3255, toll-free at 800-633-6101, or via email gaburn@mde.state.md.us. He will be

oleased to assist vou.

1bilson

Sincerely,

TTY Users 1-800-735-2258

Via Marylald Relay Servicp @ n""v"t"o tuPer llrvw.mde.state.md.us