[Federal Register Volume 60, Number 213 (Friday, November 3, 1995)]
[Proposed Rules]
[Page 55820]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 95-27063]



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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 52 and 81

[MT32-1-7117b, ND6-2-7081b, UT21-1-6915b, WY7-1-7042b; FRL-5303-2]


Clean Air Act Approval and Promulgation of State Implementation 
Plans; Prevention of Significant Deterioration; Designation of Areas 
for Air Quality Planning Purposes; Montana, North Dakota, South Dakota, 
Utah, and Wyoming

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of proposed rulemaking.

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SUMMARY: In this document, the EPA is proposing approval of revisions 
to the State Implementation Plans (SIPs) submitted by the States of 
Montana, North Dakota, Utah, and Wyoming. The submittals included 
revisions to the prevention of significant deterioration (PSD) 
permitting rules of these States mainly to address the replacement of 
the total suspended particulate (TSP) increments with increments for 
PM-10 (particulate matter 10 micrometers or less in diameter), but also 
to address other changes in the Federal PSD permitting regulations and 
to make other minor revisions. EPA is also proposing to delete the TSP 
area designation tables and to revise and/or create PM-10 area 
designation tables in 40 CFR part 81 for these States as well as for 
the State of South Dakota (which has been delegated authority to 
implement the Federal PSD regulations in 40 CFR 52.21). In the final 
rules section of this Federal Register, the EPA is acting on the 
States' SIP submittals in a direct final rule without prior proposal 
because the Agency views these submittals as noncontroversial 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 the EPA receives adverse 
comments, then the direct final rule will be withdrawn and all public 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. The EPA will not institute a second comment period 
on this document. Any parties interested in commenting on this 
documents should do so at this time.

DATES: Comments on this proposed action must be received in writing by 
December 4, 1995.

ADDRESSES: Written comments should be addressed to Vicki Stamper, 8ART-
AP, at the Environmental Protection Agency, Region VIII, 999 18th 
Street, Suite 500, Denver, Colorado 80202-2466. Copies of the documents 
relevant to this proposed rule are available for public inspection 
during normal business hours at the following locations: Air Programs 
Branch, Environmental Protection Agency, Region VIII, 999 18th Street, 
suite 500, Denver, Colorado 80202-2405; Montana Air Quality Division, 
Department of Health and Environmental Sciences, 836 Front Street, P.O. 
Box 200901, Helena, Montana 59620-0901; North Dakota Division of 
Environmental Engineering, State Department of Health and Consolidated 
Laboratories, 1200 Missouri Avenue, P.O. Box 5520, Bismarck, North 
Dakota 58502-5520; Utah Division of Air Quality, Department of 
Environmental Quality, 150 North 1950 West, P.O. Box 144820, Salt Lake 
City, Utah, 84114-4820; and Wyoming Air Quality Bureau, Department of 
Environmental Quality, Herschler Building, 122 West 25th Street, 
Cheyenne, Wyoming 82002.

FOR FURTHER INFORMATION CONTACT: Vicki Stamper at (303) 293-1765.

SUPPLEMENTARY INFORMATION: See the information provided in the direct 
final rule of the same title which is located in the Rules Section of 
this Federal Register.

    Dated: September 19, 1995.
Jack W. McGraw,
Acting Regional Administrator.
[FR Doc. 95-27063 Filed 11-2-95; 8:45 am]
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