## ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
1021 NORTH GRAND AVENUE EAST, P.O. BOX 19276, SPRINGFIELD, ILLINOIS 62794·9276 • (217)782·2829 PAT QUINN, GOVERNOR LISA BONNETT, DIRECTOR 

### 2171782-5544 2171782-9143 (TDD) December 2, 2013



### Ms. Susan Hedman Regional Administrator U. S. Environmental Protection Agency, Region 5 77 West Jackson Boulevard (R-19J) Chicago, IL 60604-3507 CERTIFIED MAIL RETURN RECEIPT REQUESTED 

### 7012 0470 0001 2973 9354

Re: 

### R13-11: In the Matter of: NATIONAL AMBIENT AIR QUALITY STANDARDS, USEPA REGULATIONS (July 1, 2012 through December 31, 2012) Dear Ms. Hedman: Pursuant to Section 110(a)(2) ofthe Clean Air Act (CAA) (42 U.S.C. §7410 (a)(2)), and Section 28 ofthe Illinois Enviromnental Protection Act (415 ILCS 5/28), the Illinois Enviromnental Protection Agency (Illinois EPA) submits the following amendments to the Illinois State Implementation Plan (SIP). The amendment updates the ambient air quality standards in the Board's air pollution regulations (35 

### Ill. Adm. Code 243) to make them confonn with National Ambient Air 

### Quality Standards (NAAQS) adopted by the United States Environmental Protection Agency (USEPA) pursuant to section 109 ofthe Clean Air

### Act (CAA) (42 U.S.C. § 7409 (2011)). Therulemakingwas docketed bytheIllinois Pollution ControlBoard (IPCB) as R13-11. TheNotice of Proposed Amendments was published in the 

### Illinois Register volume 37, issue 22, p. 7316, published May 31, 2013. OnMay I6, 2013, the Illinois PollutionControlBoard ("Board") reserved a docket for theroutineupdating ofthe NAAQS. Notice ofHearingwas filed ontheMay 16, 2013. A public hearing was held June 26, 2013, in Springfield, Illinois. On July 25, 2013, the Board adopted a Final Opinion and Order.
In order to assist with your review ofthis plan revision submittal, the following documents are enclosed (two hard copies and one exact duplicate electronic copy on disc):

4302 N. Main St., Rockford, !L 61103 (815) 987-7760 595 S, State, Elgin, ll 60123 (847) 608-3131 2125 S. First St., Champaign, IL 61820 (217) 278-5800 2009 Moll St., Co!linsvi!le, ll62234 (618] 346-5120 9511 Harrison St., Des Plaines, IL 60016 (847) 294-4000 5407 N. University St., Arbor 113, Peoria, IL 61614 (309) 693-5462 2309 W. Main St., Suite 116, Marion, JL 62959 (618) 993-7200 100 W. Randolph, Suite 10-300, Chicago, 1L60601 (312) 814-6026 PLEASE PRINT ON RECYCLED PAPERAttachment I)
Attachment 2) Attachment 3) Attachment 4)
Attachment 5)
Attachment 6)
Attachment 7)
Attachment 8) Attaclnnent 9)
Attachment I 0)
Attaclnnent II)
Attachment 12)
Attachment 13) Letterto USEPA fromIEPA submittingreconnnendations for attainment and nonattainment designations for S02 for the State ofIllinois. The Board's Proposed Rulemaking, filed May 16, 2013 and Proposed rule. Board Hearing Officer Order, Notice ofHearing, dated May 16, 2013. Certificate ofPublication in various newspapers from May 17 to May 21, 2013. 

### Illinois Register Notice ofProposed Rulemaking, volume 37, issue 22, p. 7316, published May 31, 2013. Notice ofPublic Infonnationpublished in the Illinois Registerin Volume 37, Issue22, p. 7687, May31, 2013. Public Comment#I, email memorializingtelephone conversationbetweenM. McCambridge and C. Matoesian. Transcript ofHearing, filed July I, 2013. JCARrequest for Analysis ofEconomic and BudgetaryEffects, dated July 9, 2013. Public comment oflllinois Enviromnental Regulatory Group, dated July 15, 2013. Adopted Rule, Final Order, Opinion and Order ofthe BoardbyJ.A. Burke, dated July 25, 2013. 

### Illinois Register Notice ofAdopted Amendments, volume 37, issue 32, p. 12882, published August 9, 2013. JCAR Letter stating the proposed rulemaking was considered at JCAR's August 13, 2013 meeting and it found no objections. If:further information is required, please contact Shannon Bilbruck ofmy staffat 217/557-4261.

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# rJ!!f~ Director Attachments