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ENVIRONMENTAL PROTECTION AGENCY

Environmental Protection Agency

CFR Citation: 40 CFR Part 52

IN ID: [IN158-1b; FRL-7626-8]

NOTICE: PROPOSED RULES

ACTION: Air quality implementation plans; approval and promulgation; various States:

DOCUMENT ACTION: Proposed rule.

SUBJECT CATEGORY: Approval and Promulgation of Implementation Plans; Indiana

DATES: EPA must receive written comments on or before April 21, 2004.

DOCUMENT SUMMARY: We are proposing to approve revisions to particulate matter (PM10) emissions regulations for U.S. SteelGary Works and U.S. SteelGary Coke Operations, located in Lake County, Indiana. The Indiana Department of Environmental Management requested on June 13, 2003, and as supplemented on October 3, 2003, that EPA approve this State Implementation Plan (SIP) revision, as an amendment to 326 Indiana Administrative Code (IAC) 6110.1 and 326 IAC 6110.2. The revisions to the rules reflect the closure of certain emission units, the addition of new emission units, and the installation of new control systems. These changes should result in decreased PM10 emissions of approximately 350 tons per year. 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 revision and anticipates no adverse comments. A detailed rationale for the approval is set forth in the direct final rule. If we receive no adverse comments in response to that direct final rule, we plan to take no further action on this proposed rule. If we receive significant adverse comments, we will withdraw the direct final rule and address all public comments received in a subsequent final rule based on this proposed rule. The EPA will not institute a second comment period on this document.

SUMMARY: Indiana,

SUPPLEMENTAL INFORMATION

For additional information, see the direct final notice which is located in the rules section of this Federal Register. Copies of the request and the EPA's analysis are available for inspection at the above address. (Please telephone Christos Panos at (312) 3538328 before visiting the Region 5 Office.)

Dated: February 6, 2004.
Bharat Mathur,
Acting Regional Administrator, Region 5.
[FR Doc. 046215 Filed 31904; 8:45 am]
BILLING CODE 656050P

FOR FURTHER INFORMATION CONTACT Christos Panos, Environmental Engineer, Criteria Pollution Section, Air Programs Branch (AR18J), Environmental Protection Agency, Region 5, 77 West Jackson Boulevard, Chicago, Illinois 60604, (312) 3538328, panos.christos@epa.gov.