2012-12006. Approval and Promulgation of Implementation Plans; Portion of York County, South Carolina Within Charlotte-Gastonia-Rock Hill, North Carolina-South Carolina 1997 8-Hour Ozone Nonattainment Area; Ozone 2002 Base Year Emissions Inventory

AGENCY:

Environmental Protection Agency (EPA).

ACTION:

Proposed rule.

SUMMARY:

EPA is proposing to approve the ozone 2002 base year emissions inventory portion of the state implementation plan (SIP) revision submitted by the South Carolina Department of Health and Environmental Control (SC DHEC) on April 29, 2010. The emissions inventory is included in the ozone attainment demonstration that was submitted for the 1997 8-hour ozone national ambient air quality standards (NAAQS) for the portion of York County, South Carolina that is within the bi-state Charlotte-Gastonia-Rock Hill 1997 8-hour ozone nonattainment area. The Charlotte-Gastonia-Rock Hill, North Carolina-South Carolina 1997 8-hour ozone nonattainment area (hereafter referred to as the “bi-state Charlotte Area”) is comprised of Cabarrus, Gaston, Lincoln, Mecklenburg, Rowan, Union and a portion of Iredell (Davidson and Coddle Creek Townships) Counties in North Carolina; and a portion of York County in South Carolina. This action is being taken pursuant to section 110 of the Clean Air Act. EPA will take action on the North Carolina submission for the ozone 2002 base year emissions inventory, for its portion of the bi-state Charlotte Area, in a separate action. In the Final Rules Section of this Federal Register, EPA is approving the State's SIP revision as a direct final rule without prior proposal because the Agency views this as a noncontroversial submittal and anticipates no adverse comments.

DATES:

Written comments must be received on or before June 18, 2012.

ADDRESSES:

Submit your comments, identified by Docket ID No. EPA-R04-OAR-2008-0177 by one of the following methods:

1. www.regulations.gov: Follow the on-line instructions for submitting comments.

2. Email: [e-mail].

3. Fax: [phone].

4. Mail: “EPA-R04-OAR-2008-0177,” Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street SW., Atlanta, Georgia 30303-8960.

5. 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, 61 Forsyth 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.

Please see the direct final rule which is located in the Rules section of this Federal Register for detailed instructions on how to submit comments.

FOR FURTHER INFORMATION CONTACT:

Sara Waterson, Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street SW., Atlanta, Georgia 30303-8960. The telephone number is [phone]. Ms. Waterson can be reached via electronic mail at [e-mail].

SUPPLEMENTARY INFORMATION:

On March 12, 2008, EPA issued a revised ozone NAAQS. See 73 FR 16436. The current action, however, is being taken to address requirements under the 1997 8-hour ozone NAAQS. Requirements for the South Carolina portion of the bi-state Charlotte Area under the 2008 ozone NAAQS will be addressed in the future. For additional information see the direct final rule which is published in the Rules Section of this Federal Register. A detailed rationale for the approval is set forth in the direct final rule. If no adverse comments are received in response to this rule, no further activity is contemplated. If EPA receives adverse comments, the direct final rule will be withdrawn and all public comments received will be addressed in a subsequent final rule based on this proposed rule. EPA will not institute a second comment period on this document. Any parties interested in commenting on this document should do so at this time.

Dated: May 8, 2012.

A. Stanley Meiburg,

Acting Regional Administrator, Region 4.