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ENVIRONMENTAL PROTECTION AGENCY

Environmental Protection Agency

CFR Citation: 40 CFR Part 52

EPA ID: [EPA-R07-OAR-2008-0342; FRL-8581-8]

NOTICE: PROPOSED RULES

DOCUMENT ACTION: Proposed rule.

SUBJECT CATEGORY: Approval and Promulgation of Implementation Plans; State of Missouri

DATES: Comments on this proposed action must be received in writing by July 21, 2008.

DOCUMENT SUMMARY: EPA proposes to approve a State Implementation Plan (SIP) to revise the sulfur dioxide (SO2) emissions rates and averaging times for Kansas City Power & Light's Hawthorn Plant and Montrose Station in Missouri rule, Restriction of Emission of Sulfur Compounds. Previous changes to this rule were disapproved in 2006 because EPA was concerned that the averaging times for the rates at these units had been dramatically increased from a 3hour average to an annual average and that the revised averaging times were not demonstrated by the state to be protective of the shortterm (3 and 24hour) sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS). EPA believes that the recent changes, which EPA is now proposing to approve, have been shown by Missouri to be protective of the shortterm SO2 NAAQS. This revision will ensure consistency between the state and the federallyapproved rules.

SUMMARY: Approval and Promulgation of Implementation Plans; State of Missouri,

SUPPLEMENTAL INFORMATION

In the final rules section of the 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 amendment and anticipates no relevant adverse comments to this action. A detailed rationale for the approval is set forth in the direct final rule. If no relevant adverse comments are received in response to this action, no further activity is contemplated in relation to this action. If EPA receives relevant adverse comments, the direct final rule will be withdrawn and all public comments received will be addressed in a subsequent final rule based on this proposed action. EPA will not institute a second comment period on this action. Any parties interested in commenting on this action should do so at this time. Please note that if EPA receives adverse comment on part of this rule and if that part can be severed from the remainder of the rule, EPA may adopt as final those parts 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.

Dated: June 9, 2008.
John B. Askew,
Regional Administrator, Region 7.
[FR Doc. E813839 Filed 61908; 8:45 am]
BILLING CODE 656050P

FOR FURTHER INFORMATION CONTACT Amy Algoe-Eakin at (913) 551-7942, or by email at algoeeakin.amy@epa.gov.