### ENVIRONMENTAL PROTECTION AGENCY 40 

### CFR Part 

### 52 

### [EPA-R04-0AR-2007-1186-201012(b); 

### FRL- ] Approval and Promulgationof Air Quality ImplementationPlan: Kentucky; Approval Section 110(a)(l)Maintenance Plan for the 1997 8-Hour Ozone Standard for the Paducah Area; Limited Reopening of Comment Period



### AGENCY: Environmental Protection Agency (EPA). 

### ACTION: Proposed rule; limited reopening of the commentperiod. 

### SUMMARY: EPA is announcing a 30-day reopening of the public comment period for the proposed rule entitled "Approval and Promulgation of AhQuality Implementation Plan: Kentucky; Approval Section 110(a)(l)Maintenance Plan for the 1997 8-Hour Ozone Standard for the PaducahArea," for the purpose of limited public review and comment of supplemental informationthat was providedby the Commonwealthof Kentucky on July 15,2009,in support of the PaducahArea 1lO(a)(l)maintenance plan. The Paducah, 

### KY Area consists of Marshall and a portion of Livingston Counties. The proposed rule was initially published in the Federal Register on January 4,2010. The

reason for this limited reopening of the comment period is that EPA has learned that supplemental information relating to projected emissions for the Paducah Area that was referenced 

### in the proposed rulemaking January 4,2010 (75 

### FR 97) was inadvertently omitted from the electronicdocket when that proposed rulemaking was published. EPA has since made that dormation available in the electronicdocket and wants to ensure anopportunity for the public to comment on that information. The July 15, 2009 supplemental information can be viewed online at www.reg~~lations.gov using docket 

### ID No. EPA-RO~-OAR-~~~~- 1186-0043. Thus, EPA is reopening the comment period for an additional thirty days, for the limited purpose of providing an opportunity for public comment on the supplemental information added to the docket after publication of the proposed rulemaking.



### DATES: The commentperiod for the proposed rule published on January 4,2010 (75 

### FR 97), is reopened. Comments must be received on or before [Insert 30 days after publication].



### ADDRESSES: Submityour comments, identifiedby Docket 

### ID No. EPA-R04-OAR2007- 1 186,by one of the following methods: www.regulations.gov: Follow the on-line instructions for submitting comments. E-mail: beniamin.lvnorae

### 0 epa.gov. Fax: 404-562-9019. Mail: "EPA-R04-OAR-2007- 1186," Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4,61Forsyth Street, SW, Atlanta, Georgia 30303-8960. Hand Delivery or Courier: Lynorae Benjamin,Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, 

### U.S. Environmental Protection Agency, Region 4,61Forsyth Street, SW, Atlanta,Georgia 30303-8960. Such deliveries are only accepted during the Regional Office's normal hours of operation. The Regional Office's official hours of business are Monday through Friday, 8:30 to 4:30, excluding federal holidays.



### Instructions: Direct your comments to Docket 

### ID No. "EPA-R04-OAR-2007- 1186." EPA's policy is that all comments received will be included in the public docket without change and may be made available online at www.regulations.gov, including any personal lnformationprovided, unless the comment includes information claimed to be Confidential Business Information (CBI) or other information whose disclosure is restrictedby statute. Do not submit through www.regulations.govor e-mail, information that you considerto be CBI or otherwiseprotected. The www.regulations.govWeb site is 

### an "anonymous access" system,which means EPA will not know your identity or contact information unless you provide it in the body of your comment. 

### If you send an email comment directly to EPA without going through www.regulations.gov,your e-mail address will be automatically captured and included as part of the commentthat is placed in the public docket and made available on the Internet. If you submit an electronic comment,

### EPA recommends that you include your name and other contact informationin the body of your comment and with any disk or CD-ROM you submit. If EPA cannot read your comment due to technical difficulties and cannot contact you for clarification, EPA may not be able to consider your comment. Electronic files should avoid the use of special characters, any 

### form of encryption,and be free of any defects or viruses. For additional information about EPA's public docket visit the EPA Docket Centerhomepage at http://www.epa.gov/epahome/dockets.htm.Docket: EPA has established a docket for this action under Docket IdentificationNo. EPA-R04-OAR-2007-1186. All documents in the docket are listed on the www.regulations.gov index. Although listed 

### in the index, some informationis not publicly available, i.e., CBI or other information whose disclosure is restrictedby statute. Certain other material, such as copyrighted material, is not placed on the Internet and will be publicly available only in hard copy form. Publicly available docket materials are available either electronically through www.regulations.gov or in hard copy at the Regulatory Development Section,Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61Forsyth Street, SW, Atlanta, Georgia 30303-8960. EPA requests that, if at all possible, you contact the person listed in the 

### FOR FURTHER INFORMATION CONTACT section to schedule your inspection. The Regional Office's official hours of business are Monday through Friday, 8:30 to 4:30, excluding federal holidays.



### FOR FURTHER INFORMATION CONTACT: Mr. Zuri Farngalo, Regulatory Development Section, Air Planning Branch,Air, Pesticides and Toxics Management Division, Region 4, U.S. Environmental Protection Agency, 61 Forsyth Street, SW, Atlanta, Georgia 30303-8960. The telephone number is (404) 562-9152. 

### Mr. Farngalo

can also be reached via electronicmail at famgalo.zuri@epa.gov.



### SUPPLEMENTARY INFORMATION: The proposed rule was signed by the Acting Regional AdministratoronDecember 22,2009, and published in the Federal Register onJanuary 4,2010 (75 

### FR 97). The comment period for this proposed action closed on February 3,2010. EPA did not receive any adverse comments during this public comment period. However, EPA noticed an inadvertent omission of the July 15,2009, supplement that Kentucky provided from the electronic docket at www.regulations.gov. Since EPA referencethis supplementin the January 4,2010, proposed rulemaking,EPA is reopening the commentperiod for this proposed action for the limited purpose of allowing the public the opportunityto review and considerthis supplementalinformation 

### in regards to EPA's proposed rulemaking. The July 15,2009, supplement (which was included in the electronic docket on February4,2010)containsupdated emissions inventory projections for both the Paducah and OwensboroAreas.



## Ftb 12 

## ,:;g Dated: J. Scott Gordon 

# n ?&ing Regional Administrator,

Region 4.