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[Federal Register: August 29, 2007 (Volume 72, Number 167)]
[Proposed Rules]               
[Page 49678-49679]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr29au07-18]                         

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 49 and 51

[EPA-HQ-OAR-2006-0888, FRL-8461-9]
RIN 2060-AH37

 
Prevention of Significant Deterioration New Source Review: 
Refinement of Increment Modeling Procedures

AGENCY: Environmental Protection Agency (EPA).

ACTION: Announcement of reopening of comment period.

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SUMMARY: The EPA is announcing a reopening of the public comment period 
on our proposed amendments for the Prevention of Significant 
Deterioration New Source Review: Refinements of Increment Modeling 
Procedures (June 6, 2007). The EPA is reopening the comment period that 
originally ended on August 6, 2007. The reopened comment period will 
close on September 28, 2007. The EPA is reopening the comment period 
because of the number of requests we received in a timely manner.

DATES: Comments. Comments on the proposed rule published June 6, 2007 
(72 FR 31371) must be received on or before September 28, 2007.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-HQ-
OAR-2006-0888, by one of the following methods:
     http://www.regulations.gov: Follow the on-line instructions for 

submitting comments.
     E-mail: a-and-r-docket@epamail.epa.gov.
     Fax: 202-566-9744.
     Mail: Attention Docket ID No. EPA-HQ-OAR-2006-0888, U.S. 
Environmental Protection Agency, EPA West (Air Docket), 1200 
Pennsylvania Avenue, Northwest, Mailcode: 6102T, Washington, DC 20460. 
Please include a total of 2 copies. In addition, please mail a copy of 
your comments on the information collection provisions to the Office of 
Information and Regulatory Affairs, Office of Management and Budget 
(OMB), Attn: Desk Officer for EPA, 725 17th St., NW., Washington, DC 
20503.
     Hand Delivery: U.S. Environmental Protection Agency, EPA 
West (Air Docket), 1301 Constitution Avenue, Northwest, Room 3334, 
Washington, DC 20004, Attention Docket ID No. EPA-HQ-OAR-2006-0888. 
Such deliveries are only accepted during the Docket's normal hours of 
operation, and special arrangements should be made for deliveries of 
boxed information.
    Instructions: Direct your comments to Docket ID No. EPA-HQ-OAR-
2006-0888. EPA's policy is that all comments received will be included 
in the public docket without change and may be made available online at 
http://www.regulations.gov, including any personal information 

provided, unless the comment includes information claimed to be 
Confidential Business Information (CBI) or other information whose 
disclosure is restricted by statute. Do not submit information that you 
consider to be CBI or otherwise protected through http://www.regulations.gov 

or e-mail. The http://www.regulations.gov Web site is an ``anonymous access'' 

system, which means EPA will not know your identity or contact 
information unless you provide it in the body of your comment. If you 
send an e-mail comment directly to EPA without going through 
http://www.regulations.gov your e-mail address will be automatically captured 

and included as part of the comment that is placed in the public docket 
and made available on the Internet. If you submit an electronic 
comment, EPA recommends that you include your name and other contact 
information in the body of your comment and with any disk or CD-ROM you 
submit. If EPA cannot read your comment due to technical difficulties 
and cannot contact you for clarification, EPA may not be able to 
consider your comment. Electronic files should avoid the use of special 
characters, any form of encryption, and be free of any defects or 
viruses. For additional instructions on submitting comments, go to the 
SUPPLEMENTARY INFORMATION section of this document.
    Docket: All documents in the docket are listed in the 
http://www.regulations.gov index. Although listed in the index, some 

information is not publicly available, e.g., CBI or other information 
whose disclosure is restricted by statute. Certain other material, such 
as copyrighted material, will be publicly available only in hard copy. 
Publicly available docket materials are available either electronically 
in http://www.regulations.gov or in hard copy at the U.S. Environmental 

Protection Agency, Air Docket, EPA/DC, EPA West, Room 3334, 1301 
Constitution Ave., NW., Washington, DC. The Public Reading Room is open 
from 8:30 a.m. to 4:30 p.m., Monday through Friday, excluding legal 
holidays. The telephone number for the Public Reading Room is (202) 
566-1744, and the telephone number for the Air Docket is (202) 566-
1742.

FOR FURTHER INFORMATION CONTACT: For technical information, contact 
Jessica Montanez, Air Quality Policy Division, U.S. EPA, Office of Air 
Quality Planning and Standards (C504-03), Research Triangle Park, North 
Carolina 27711, telephone number (919) 541-3407, facsimile number (919) 
541-5509, electronic mail e-mail address: montanez.jessica@epa.gov.

SUPPLEMENTARY INFORMATION:

I. General Information

A. What Should I Consider as I Prepare My Comments for EPA?

    1. Submitting CBI. Do not submit this information to EPA through 
http://www.regulations.gov or e-mail. Clearly mark the part or all of the 

information that you claim to be CBI. For CBI information in a disk or 
CD-ROM that you mail to EPA, mark the outside of the disk or CD-ROM as 
CBI and then identify electronically within the disk or CD-ROM the 
specific information that is claimed as CBI. In addition to one 
complete version of the comment that includes information claimed as 
CBI, a copy of the comment that does not contain the information 
claimed as CBI must be submitted for inclusion in the public docket. 
Information so marked will not be disclosed except in accordance with 
procedures set forth in

[[Page 49679]]

40 CFR part 2. Send or deliver information identified as CBI only to 
the following address: Roberto Morales, OAQPS Document Control Officer 
(C404-02), U.S. EPA, Research Triangle Park, NC 27711, Attention Docket 
ID No. EPA-HQ-OAR-2006-0888.
    2. Tips for Preparing Your Comments. When submitting comments, 
remember to:
     Identify the rulemaking by docket number and other 
identifying information (subject heading, Federal Register date and 
page number).
     Follow directions--The agency may ask you to respond to 
specific questions or organize comments by referencing a Code of 
Federal Regulations (CFR) part or section number.
     Explain why you agree or disagree; suggest alternatives 
and substitute language for your requested changes.
     Describe any assumptions and provide any technical 
information and/or data that you used.
     If you estimate potential costs or burdens, explain how 
you arrived at your estimate in sufficient detail to allow for it to be 
reproduced.
     Provide specific examples to illustrate your concerns, and 
suggest alternatives.
     Explain your views as clearly as possible, avoiding the 
use of profanity or personal threats.
     Make sure to submit your comments by the comment period 
deadline identified.

B. Where Can I Get a Copy of This Document and Other Related 
Information?

    In addition to being available in the docket, an electronic copy of 
this proposal will also be available on the World Wide Web (WWW). 
Following signature by the EPA Administrator, a copy of this notice 
will be posted in the regulations and standards section of our NSR home 
page located at http://www.epa.gov/nsr and on the tribal air home page at http://www.epa.gov/oar/tribal.

    Dated: August 21, 2007.
Lydia Wegman,
Acting Director, Office of Air Quality Planning and Standards.
[FR Doc. E7-17104 Filed 8-28-07; 8:45 am]

BILLING CODE 6560-50-P