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AGENCY:

Environmental Protection Agency (EPA).

ACTION:

Proposed rule.

SUMMARY:

EPA is proposing to approve Indiana's modifications to its Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR) rules. The amendments include grammatical changes, corrections to numbering, addition of definitions consistent with Federal PSD and NNSR regulations, and removal of references to provisions which were vacated in the Federal rules. Indiana submitted these rule revisions for approval on November 24, 2010. They are consistent with the current Federal PSD and NNSR regulations.

DATES:

Comments must be received on or before August 8, 2011.

ADDRESSES:

Submit your comments, identified by Docket ID No. EPA-R05-OAR-2010-1002, by one of the following methods:

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

2. E-mail: blakley.pamela@epa.gov.

3. Fax: (312) 692-2450.

4. Mail: Pamela Blakley, Chief, Air Permits Section, Air Programs Branch (AR-18J), U.S. Environmental Protection Agency, 77 West Jackson Boulevard, Chicago, Illinois 60604.

5. Hand Delivery: Pamela Blakley, Chief, Air Permits Section, Air Programs Branch (AR-18J), U.S. Environmental Protection Agency, 77 West Jackson Boulevard, Chicago, Illinois 60604. Such deliveries are only accepted during the Regional Office normal hours of operation, and special arrangements should be made for deliveries of boxed information. The Regional Office official hours of business are Monday through Friday, 8:30 a.m. to 4:30 p.m., 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.

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FOR FURTHER INFORMATION CONTACT:

Charmagne Ackerman, Environmental Engineer, Air Permits Section, Air Programs Branch (AR-18J), U.S. Environmental Protection Agency, Region 5, 77 West Jackson Boulevard, Chicago, Illinois 60604, (312) 886-0448, ackerman.charmagne@epa.gov.

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SUPPLEMENTARY INFORMATION:

In the Final Rules section of this Federal Register, EPA is approving the State's State Implementation Plan submittal as a direct final rule without prior proposal because the Agency views this as a noncontroversial submittal and anticipates no adverse comments. 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. Any parties interested in commenting on this action should do so at this time. Please note that if EPA receives adverse comment on an amendment, paragraph, or section of this rule and if that provision may be severed from the remainder of the rule, EPA may adopt as final those provisions of the rule that are not the subject of an adverse comment.

For additional information, see the direct final rule which is located in the Rules section of this Federal Register.

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