ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 EPA-R08-0RA-2008-0307; FRL

### Approval and Promulgation ofAir Quality Implementation Plans; Montana; Revisions to theAdministrative Rules ofMontana; Proposed Rule AGENCY: Environmental Protection Agency (EPA). 

### SUMMARY: EPA is proposing to approve State Implementation Plan (SIP) revisions submitted by the State ofMontana on November 1,2006 and November 20,2007. The revisions are to the Administrative Rules ofMontana. Revisions include minor editorial and grammatical changes, updates to the citations andreferences to federal and state laws and regulations, other minor changes to conform to federal regulations, and updates to links to sources ofinformation. This action is being taken under section 110 ofthe Clean Air Act. In the "Rules and Regulations" section ofthis 

### FederalRegister, EPA is approving the State's SIP revisions as a direct final rule without prior proposal because the Agency'viewsthese as noncontroversial SIP revisions and'anticipates no adverse comments. A detailed rationale for the approval is set forth in the preamble to the direct final rule. IfEPA receives no adverse comments, EPA will not take further action on this proposed rule. IfEPA receives adverse comments, EPA will withdrawthe direct final rule and it will not take effect. EPA will address all public comments in a subsequent final rule based on this proposed rule. EPA will not institute <:). second commentperiod on this action. Any parties interested in commenting must do
so at this time. Please note that ifEPAreceives adverse comment on an amendment, paragraph,
or section ofthis rule and ifthat provision may be severed from the remainder ofthe rule, EPAmay adopt as final those provisions ofthe rulethat are not the subject ofan adverse comment. DATES: Written comments mustbe received on orbefore [insert date 30 days after publicationin the Federal Register]. ADDRESSES: Submityour comments, identified by Docket ID No.EPA-R08-0RA-2008­ 0307, by one ofthe following methods: http://www.regulations.gov. Followthe on-line instructions for submitting comments.
• E-mail: dolan.kathy@epa.gov
• Fax: (303) 312-6064 (please alertthe individual listed in theFOR FURTHER INFORMATION CONTACTifyou are faxing comments).
• Mail: Director, Air Program, Environmental Protection Agency (EPA), Region 8, Mailcode 8P-AR, 1595 Wynkoop Street, Denver, Colorado 80202-1129.
• Hand Delivery: Director, Air Program, Environmental Protection Agency (EPA), Region 8, Mailcode 8P-AR, 1595 Wynkoop Street, Denver, Colorado 80202­ 1129. Such deliveries are only accepted Monday through Friday, 8:00 a.m. to 4:30 p.m., excluding Federal holidays. Special arrangements should be made for deliveries ofboxed information. Please see the direct final rule which is located in the Rules Section ofthis Federal Registerfor detailed instruction on howto submit comments. FORFURTHERINFORMATION CONTACT: Kathy Dolan, AirProgram, U.S. Environmental Protection Agency (EPA), Region 8, Mailcode 8P-AR, 1595 Wynkoop Street, Denver, Colorado 80202-1129.303-312-6142, dolan.kathy@epa.gov
2SUPPLEMENTARY INFORMATION: See the information provided in the Direct Final action ofthe same title which is located in the Rules and Regulations Section ofthis Federal
, Register. Authority: 42 U.S.C. 7401 et seq

Dated: drew M. Gaydosh Acting Regional Administrator Region 8

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