# 61 FR 11169: Clean Air Act Approval and Promulgation of PMINF10 Implementation Plan for Montana > Federal · Regulations · In force URL: https://www.frixlaw.com/law-library/statutes/FR_PRORULE_96-6003 ## Section - **Citation:** 61 FR 11169 - **Heading:** Clean Air Act Approval and Promulgation of PMINF10 Implementation Plan for Montana - **Jurisdiction:** Federal - **Kind:** Regulations - **Status:** In force - **Text as of:** August 14, 2026 - **Source:** Compiled text - **Location:** Federal Register / Vol. 61 / 61 FR 11169 ## Text ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [MT7-1-5487b; MT26-2-6874b; FRL-5439-1] Clean Air Act Approval and Promulgation of PM10 Implementation Plan for Montana AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. ----------------------------------------------------------------------- SUMMARY: EPA proposes to approve the state implementation plan (SIP) for the Kalispell, Montana nonattainment area, the Flathead County Air Pollution Control Program, and a Board Order setting emission limits at nine stationary sources, submitted by the State of Montana with letters dated November 25, 1991, January 11, 1994, August 26, 1994, and July 18, 1995, to achieve attainment of the National Ambient Air Quality Standards (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM10). The SIP was submitted to satisfy certain federal Clean Air Act requirements for an approvable moderate nonattainment area PM10 SIP for Kalispell. In addition, EPA proposes to approve the SIP revisions submitted on August 26, 1994, and July 18, 1995, to satisfy the Federal Clean Air Act requirement to submit contingency measures for the Kalispell and Columbia Falls moderate PM10 nonattainment areas. The Columbia Falls submittal also incorporates minor revisions to the attainment and maintenance demonstrations for the Columbia Falls moderate PM10 nonattainment area SIP into the Montana SIP. Since the SIP still adequately demonstrates timely attainment and maintenance of the PM 10 national ambient air quality standards (NAAQS), EPA proposes to approve these revisions. EPA is also proposing to delete an obsolete section of the Code of Federal Regulations (CFR) which applied to further requirements for the Butte total suspended particulates (TSP) plan. In the Final Rules Section of the Federal Register, EPA is approving the imely attainment and maintenance of the PM 10 national ambient air quality standards (NAAQS), EPA proposes to approve these revisions. EPA is also proposing to delete an obsolete section of the Code of Federal Regulations (CFR) which applied to further requirements for the Butte total suspended particulates (TSP) plan. In the Final Rules Section of the Federal Register, EPA is approving the State's SIP revisions, as a direct final rule without prior proposal because the Agency views these as noncontroversial revisions 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 proposed rule, no further activity is contemplated in relation to this rule. If EPA receives adverse comments, the direct final 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 action. Any parties interested in commenting on this action should do so at this time. DATES: Comments on this proposed rule must be received in writing by April 18, 1996. ADDRESSES: All written comments should be addressed to: Richard R. Long, Director, Air Program, EPA Region VIII, at the address listed below. Information supporting this action can be found at the following location: EPA Region VIII, Air Program 999 18th Street, Denver, Colorado 80202-2466. The information may be inspected between 8 a.m. and 4 p.m., on weekdays, except for legal holidays. A reasonable fee may be charged for copying. FOR FURTHER INFORMATION CONTACT: Callie Videtich, Air Program, EPA Region VIII, 999 18th Street, Suite 500, Denver, Colorado 80202-2405, be found at the following location: EPA Region VIII, Air Program 999 18th Street, Denver, Colorado 80202-2466. The information may be inspected between 8 a.m. and 4 p.m., on weekdays, except for legal holidays. A reasonable fee may be charged for copying. FOR FURTHER INFORMATION CONTACT: Callie Videtich, Air Program, EPA Region VIII, 999 18th Street, Suite 500, Denver, Colorado 80202-2405, (303) 312-6434. SUPPLEMENTARY INFORMATION: See the information provided in the Direct Final rule which is located in the Rules Section of this Federal Register. List of Subjects in 40 CFR Part 52 Environmental Protection, Air pollution control, Hydrocarbons, Intergovernmental relations, Nitrogen dioxide, Particulate matter, Reporting and recordkeeping requirements, Sulfur dioxide, Volatile organic compounds. Authority: 42 U.S.C. 7401-7671q. Dated: September 29, 1995. Jack W. McGraw, Acting Regional Administrator. 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Check the current official text before relying on it. Not legal advice.