1 **UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III**  **1650 Arch Street Philadelphia, Pennsylvania 19103** 
January 11 , 20 1 2

**SUB JECT**  : Technical Support Document

- Adequacy Findings for the Motor Vehicle Emissions Budgets in the A ttainment Demonstration f or the Delaware Portion of the Philadelphia

- Wilmington

- New Jersey 1997 Fine Particulate ( PM 2.5 ) National Ambient Air quality

Standard (NAAQS) Nonattainment Area

**FROM: /s/** 

Martin Kotsch, Office of Air Program Planning (3AP30)

**TO:** Administrative Record for the Adequacy Findings for the Motor Vehicle Emissions Budgets in the Attainment Demonstration for the Delaware Portion of the Philadelphia

- W ilmington

- New Jersey City 1997 PM 2.5 NAAQS Nonattainment Area **/s/ THRU:**  Cristina Fernandez, Associate Director,

Office of Air Program Planning (3AP30)
**I. Administrative Requirements for Making Adequacy Findings** We have followed the p rocess for determining the adequacy of the submitted S tate I mplementation P lan (SIP) Motor Vehicle Emissions B udgets (MVEBs) in accordance with the procedures listed in the January 2008 Conformit y Regulations contained in 40 CFR p art 93, 118(f) “ Adequacy

r eview process for implementation plan submissions ”

. On November 1 7 , 20 11 , the Delaware Department of Natural Resources and Environmental Control ( DNREC ) formally submitted a revised A ttainment D emonstration P lan for the 1997 PM 2.5 NAAQS (hereafter the attainment demonstration) for the Delaware Portion of the Philadelphia

- Wilmington

- New Jersey PM 2.5 Nonattainment Area as a SIP revision. These revisions are being proposed by DNREC under a procedure called parallel processing, whereb y EPA proposes rulemaki ng action concurrent with the state's procedures for amending its SI P. If the proposed revisions are substantially changed in areas other than those identified in this notice, EPA will evaluate those changes and may publish another notice of proposed rule making. If no substantial changes are made other than those areas cited in this notice, EPA will publish a Final Rulemaking Notice on the revisions. An y final rulemaking action by EPA will occur only after the SIP revisions have been adopted b y Delaware and submitted formally to EPA for incorporation into the SIP. EPA will be issuing i ts own Notice of Proposed Rule m aking for a 30

- day public comment2

period soliciting public comment as to the approvability of the Penns yl vania SIP submission. Concurrentl y with EPA ’s Notice of Proposed Rulemaking, a notice will be posted on EPA’s website at http://www.epa.gov/otaq/stateresources/transconf/currsips.htm for the purpose of opening EPA’s 30

- day

public comment period on the adequacy /approvability

of the budgets in the SIP revision. That notice will inform the public of the availability of the Pennsylvania SIP revision on its own website. EPA’s website notice will provide a link to the address for the website where interested members of the public could access the SIP revision. Following EPA’s public comment period, responses to an y comments received on the proposed mobile budgets in the Delaware SI P will be addressed in an amendment to this Technical Support Document ( TSD )

. Shown below in Table 1 are the 2 se ts of budgets from the SIP submittal.

**Table 1**  **The Budgets of the Delaware Portion of the Philadelphia** 

**- Wilmington** 

**- New Jersey**  **1997**

**PM 2.5**  **NAAQS Attainment Demonstration** 

Plan Submittals Milestone

Year Mobile

Vehicle Emissions Budget for Direct PM

Tons P er Year Mobile

Vehicle Emissions Budget for NOx

- Tons Per Year Attainment Plan Demonstration 2009 19 9 6,273

**II . Evaluation of the Adequacy of the MVEBs Budgets in the**  **Attainment Demonstration for**  **the Delaware Portion of the Philadelphia** 

**- Wilmi**  **ngton**

**- New Jersey**  **1997 NAAQS PM**  **2.5 Nonattainment Area**  **Subm itted**  **b y**  **DNREC on**  **November 1**  **1 , 20**  **1 1**  In this TSD, we are evaluating the MVEBs associated with the 2009 attainment d emonstration p lan contained in the November 1 7 , 20 11 SIP revision , for conformity purposes. We are using the e valuation criteria detailed in the Transportation Conformity Rule, 40 CFR part 93.102(b)(2)(v), 93.102(b)(2)(v), 93.102(b)(3) , and part 93, 93.118(e)4 through 93.118(e)5. The evaluation is presented in Table 2 , below.

**Table 2**  **Adequacy of the MVEBs Contained in the**  **Attainment Demonstration**  **for the Delaware**  **Portion of the Philadelphia**

**- Wilmington** 

**- New Jersey**  **1997 NAAQS PM**  **2.5 N**  **onattainment Area** 3

Transportation Conformity Rule 40 CFR Part 93, 93.118 Review Criteria Was the Crite rion Satisfied? If Yes How was this Criteria Satisfied?

93.102(b)(2)(iv) Have EPA and the State made a finding that NOx is an insignificant contributor to the direct mobile PM emissions? EPA and the State have not made such a finding.

93.102(b)(2)(v) H as EPA or State made a finding that VOCs, Sulf

ur Oxides (SOx) or Ammonia (NH 3 ) as precursors to be a significant contributor to the mobile PM 2.5 emissions? Neither EPA or the State has made such a finding.

93.102(b)(3) Has the EPA or the State made a find ing that re

entrained road dust is a significant contributor to the PM mobile emissions? Neither EPA or the State has made such a finding.

Sec. 93.118(e)(4)(i) Was the submitted revised plan endorsed b y the Governor (or his or her designee) and subject to a State public hearing? Yes. The submitted and attainment demonstration was endorsed and submitted as a SIP revision by the Governor ’ s designee, the Secretary of the DNREC , a public hearing w ill be held. Sec. 93.118(e)(4)(ii) Before the attainment d emonstration was submitted to EPA, did consultation between federal, State and local agencies occur; was full implementation plan documentation provided to EPA, and was EPA ’ s stated concerns, if an y, addressed? Yes. Consultation has occurred among all requ ired federal, state and local agencies.

Sec. 93.118(e)(4)(iii) Was the motor vehicle emissions budget(s) clearly identified and precisel y quantified? Yes, the budgets are clearly identified on page 2 of the November 1 1 , 20 11 submittal containing the revised
attainment d emonstration.
Sec. 93.118(e)(4)(iv) Is the motor vehicle EPA believes the bud gets can4 emissions budget(s), when considered together with all other emission reductions, consistent with applicable requirements for attainment demonstrations? be declared adequate because in conjunction with the other emission reductions, they demonstrate attainme nt for 20 10

.

Sec. 93.118(e)(4)(v) Is the motor vehicle emissions budget(s) consistent with and clearly related to the emissions invento ry and the control measures in the Plan? EPA believes that the budgets are clearl y related to the emissions inventory

and the control measures in the SIP submittal.

Sec. 93.118(e)(4)(vi) Revisions to previously submitted attainment demonstrations: exp lain and document an y changes to previously

submitted budgets and control measures; impacts on point and area source emissions; an y changes to established safety margins (see Sec. 93.101 for definition); and reasons for the changes (including the basis for an y changes related to emission factors or estimates of vehicle miles traveled). N/A

Sec. 93.118(e)(5) Did they provide and we review public comments and the State ’ s responses to those comments with the submitted control strategy

SI P? Any

comments on the proposed mobile vehicle emissions budgets received by the state after submission of the final SIP will be considered as part of the overall final approvability of the SIP.

**III. Findings** 

- Based upon our review and evaluation of the MVEBs contained i n DNREC’ s November 1 1 , 20 11 submittal of the attainment p lan for the Delaware 1997 PM 2.5 NAAQS nonattainment area, we find the said MVEBs adequate for conformit y purposes subject to receipt of the final SIP

.5