[Federal Register Volume 68, Number 7 (Friday, January 10, 2003)]
[Proposed Rules]
[Page 1414]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 03-283]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 52 and 81

[IN148-1b; FRL-7436-3]


Redesignation and Approval and Promulgation of Indiana 
Implementation Plans

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: EPA is proposing to redesignate Lake County, Indiana, to 
attainment for particulate matter with a nominal aerodynamic diameter 
of 10 microns or less (PM10). EPA also proposes to approve 
Indiana's plan for continuing to attain the PM10 standards.

DATES: Written comments on this proposed rule must arrive on or before 
February 10, 2003.

ADDRESSES: You should mail written comments to: J. Elmer Bortzer, 
Chief, Regulation Development Section, Air Programs Branch (AR-18J), 
U.S. Environmental Protection Agency, Region 5, 77 West Jackson 
Boulevard, Chicago, Illinois 60604.
    You may inspect copies of Indiana's submittal at: Regulation 
Development Section, Air Programs Branch (AR-18J), U.S. Environmental 
Protection Agency, Region 5, 77 West Jackson Boulevard, Chicago, 
Illinois 60604.

FOR FURTHER INFORMATION CONTACT: John Summerhays, Regulation 
Development Section, Air Programs Branch (AR-18J), U.S. Environmental 
Protection Agency, Region 5, 77 West Jackson Boulevard, Chicago, 
Illinois 60604, [email protected], (312) 886-6067.

SUPPLEMENTARY INFORMATION: On September 25, 2002, Indiana requested 
that EPA redesignate Lake County from nonattainment to attainment for 
PM10. The criteria for redesignations from nonattainment to 
attainment are in section 107(d)(3)(E) of the Clean Air Act. EPA 
proposes to conclude that (i) Lake County has attained the 
PM10 air quality standards, (ii) EPA has fully approved the 
applicable State Implementation Plan (SIP) under section 110(k) of the 
Act, (iii) the improvement in air quality in the area is due to 
permanent and enforceable emission reductions, (iv) the maintenance 
plan for the area satisfies section 175A of the Act, and (v) the state 
has met all requirements applicable to the area under section 110 and 
part D of the Act. Based on these findings, EPA proposes to approve 
Indiana's maintenance plan and redesignate Lake County, Indiana, to 
attainment for PM10.
    For additional information see the direct final rule published in 
the rules section of this Federal Register.

List of Subjects

40 CFR Part 52

    Environmental protection, Air pollution control, Incorporation by 
reference, Intergovermental relations, Particulate matter, Reporting 
and recordkeeping requirements.

40 CFR Part 81

    Air pollution control, National parks, Wilderness areas.

    Authority: 42 U.S.C. 7401 et seq.

    Dated: December 23, 2002.
David A. Ullrich,
Acting Regional Administrator, Region 5.
[FR Doc. 03-283 Filed 1-9-03; 8:45 am]
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