[Federal Register Volume 64, Number 142 (Monday, July 26, 1999)]
[Proposed Rules]
[Page 40328]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 99-18871]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52

[IN96-1b; FRL-6402-1]


Approval and Promulgation of Implementation Plan; Indiana

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: EPA is approving temporary revised opacity limits for two 
processes at ALCOA Warrick Operations, which were submitted by the 
Indiana Department of Environmental Management (IDEM) on December 8, 
1998. ALCOA Warrick Operations is a primary aluminum smelter located in 
Newburgh, Indiana. The revised limits allow for higher opacity 
emissions during fluxing operations at two holding furnaces for a 
period of one year, ending May 1999. Mass emissions limits are not 
being changed.

DATES: EPA must receive written comments on this proposed rule by 
August 25, 1999.

ADDRESSES: You should mail written comments to: J. Elmer Bortzer, 
Chief, Regulation Development Section, Air Programs Branch (AR-18J), 
U.S. Environmental Protection Agency, Region 5, 77 West Jackson 
Boulevard, Chicago, Illinois 60604.
    You may inspect copies of the State submittal and EPA's analysis of 
it at:
    Regulation Development Section, Regulation Development Branch (AR-
18J), U.S. Environmental Protection Agency, Region 5, 77 West Jackson 
Boulevard, Chicago, Illinois 60604.

FOR FURTHER INFORMATION CONTACT: David Pohlman, Environmental 
Scientist, Regulation Development Section, Regulation Development 
Branch (AR-18J), U.S. Environmental Protection Agency, Region 5, 77 
West Jackson Boulevard, Chicago, Illinois 60604, (312) 886-3299.

SUPPLEMENTARY INFORMATION: Throughout this document, wherever ``we'', 
``us'', or ``our'' are used we mean EPA.

Table of Contents

I. What action is EPA taking today?
II. Where can I find more information about this proposal and the 
corresponding direct final rule?

I. What Action Is EPA Taking Today?

    We are proposing to approve temporary revised opacity limits for 
two processes at ALCOA Warrick Operations, which were submitted by IDEM 
on December 8, 1998. The revised limits allow for higher opacity 
emissions during fluxing operations at two holding furnaces for a 
period of one year, ending May 1999.

II. Where can I Find More Information About This Proposal and the 
Corresponding Direct Final Rule?

    For additional information see the direct final rule published in 
the rules section of this Federal Register.

    Dated: July 9, 1999.
Francis X. Lyons,
Regional Administrator, Region 5.
[FR Doc. 99-18871 Filed 7-23-99; 8:45 am]
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