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ENVIRONMENTAL PROTECTION AGENCY

Environmental Protection Agency

CFR Citation: 40 CFR Parts 52 and 81

EPA ID: [EPA-R09-OAR-2006-0214; FRL-8514-8]

NOTICE: PROPOSED RULES

ACTION: Approval and Promulgation of Air Quality Implementation Plans; Designation of Areas for Air Quality Planning Purposes:

DOCUMENT ACTION: Proposed rule.

SUBJECT CATEGORY: Approval and Promulgation of Air Quality Implementation Plans; Designation of Areas for Air Quality Planning Purposes; Arizona; San Manuel Sulfur Dioxide State Implementation Plan and Request for Redesignation to Attainment

DATES: Any comments on this proposal must arrive by February 19, 2008.

DOCUMENT SUMMARY: EPA is proposing to approve the maintenance plan for the San Manuel Area in Pinal and Pima Counties, Arizona, as a revision to the Arizona state implementation plan, and to grant the request submitted by the State to redesignate this area from nonattainment to attainment of the national ambient air quality standards for sulfur dioxide (SO2) for the San Manuel SO2 nonattainment area. EPA is proposing this action in accordance with the Clean Air Act.

SUMMARY: Arizona; San Manuel Sulfur Dioxide State Implementation Plan and Request for Redesignation to Attainment,


SUPPLEMENTAL INFORMATION

In the Rules and Regulations section of this Federal Register, we are taking direct final action to approve the maintenance plan for the San Manuel SO2 nonattainment area and to approve the State of Arizona's request to redesignate the San Manuel area from nonattainment to attainment. We are taking these actions without prior proposal because we believe these SIP revisions are not controversial. If we receive adverse comments, however, we will publish a timely withdrawal of the direct final rule and address the comments in subsequent action based on this proposed rule.

We do not plan to open a second comment period, so anyone interested in commenting should do so at this time. If we do not receive adverse comments, no further activity is planned. For further information, please see the direct final rule in this Federal Register.

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

Dated: December 20, 2007.
Wayne Nastri,
Regional Administrator, Region IX.
[FR Doc. E8804 Filed 11708; 8:45 am]
BILLING CODE 656050P

FOR FURTHER INFORMATION CONTACT Marty Robin, EPA Region IX, (415) 972- 3961, robin.marty@epa.gov.


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