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ENVIRONMENTAL PROTECTION AGENCY

Environmental Protection Agency

CFR Citation: 40 CFR Part 52

EPA ID: [EPA-R04-OAR-2005-TN-0009, EPA-R04-OAR-2006-0471, EPA-R04-OAR-2006- 0532, 200614(b); FRL-8265-7]

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; Tennessee: Approval of Revisions To the Knox County Portion of the Tennessee State Implementation Plan

DATES: Written comments must be received on or before February 2, 2007.

DOCUMENT SUMMARY: EPA is proposing to approve revisions to the Tennessee State Implementation Plan (SIP) submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation, on December 21, 1999, March 15, 2000, and January 12, 2001. The revisions pertain to the Knox County portion of the Tennessee SIP and include changes to the Knox County Air Quality Regulations Section 13.0``Definitions'' and Section 22.0``Regulation of Fugitive Dust and Materials.'' These revisions are part of Knox County's strategy to attain and maintain the national ambient air quality standards, and are considered by the TDEC to be at least as stringent as the State's requirements. This action is being taken pursuant to section 110 of the Clean Air Act.

In the Final Rules Section of this Federal Register, EPA is approving the Tennessee SIP revisions 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 If EPA receives adverse comments, the direct final rule will be withdrawn and all public comments received will be addressed in a subsequent final rule based on this proposed rule.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 on this document. Any parties interested in commenting on this document should do so at this time.

SUMMARY: Tennessee,

SUPPLEMENTAL INFORMATION

For additional information see the direct final rule which is published in the Rules Section of this Federal Register.

Dated: December 20, 2006.
A. Stanley Meiburg,
Acting Regional Administrator, Region 4.
[FR Doc. E622481 Filed 122906; 8:45 am]
BILLING CODE 656050P

FOR FURTHER INFORMATION CONTACT Dr. Egide Louis, Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street, SW., Atlanta, Georgia 303038960. The telephone number is (404) 5629240. Dr. Louis can also be reached via electronic mail at
louis.egide@epa.gov.