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[Federal Register Volume 76, Number 187 (Tuesday, September 27, 2011)]
[Proposed Rules]
[Page 59599]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2011-24856]

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 50

[EPA-HQ-OAR-2007-1145; FRL-9471-7]
RIN 2060-AO72

Extension of Comment Period for Secondary National Ambient Air 
Quality Standards for Oxides of Nitrogen and Sulfur

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of extension of public comment period.

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SUMMARY: The EPA is announcing the extension of the public comment 
period for the Secondary National Ambient Air Quality Standards for 
Oxides of Nitrogen and Sulfur to October 10, 2011.

DATES: The public comment period will be extended to October 10, 2011.

ADDRESSES: Written comments on this proposed rule may be submitted to 
the EPA electronically, by mail, by facsimile, or through hand 
delivery/courier.
    Submit your comments, identified by Docket ID No. EPA-HQ-OAR-2007-
1145, by one of the following methods:
    http://www.regulations.gov: Follow the on-line 
instructions for submitting comments.
     E-mail: a-and-r-Docket@epa.gov.
     Fax: 202-566-1741.
     Mail: Docket No. EPA-HQ-OAR-2007-1145, Environmental 
Protection Agency, Mail code 6102T, 1200 Pennsylvania Ave., NW., 
Washington, DC 20460. Please include a total of two copies.
     Hand Delivery: Docket No. EPA-HQ-OAR-2007-1145, 
Environmental Protection Agency, EPA West, Room 3334, 1301 Constitution 
Ave., NW., Washington, DC. 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-
2007-1145. The 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 information about EPA's public 
docket, visit the EPA Docket Center homepage at http://www.epa.gov/epahome/dockets.htm.

Docket

    A complete set of documents related to the proposal is available 
for public inspection at the EPA Docket Center, located at 1301 
Constitution Avenue, NW., Room 3334, Washington, DC between 8:30 a.m. 
and 4:30 p.m., Monday through Friday, excluding legal holidays. A 
reasonable fee may be charged for copying. Documents are also available 
through the electronic docket system at http://www.regulations.gov.

FOR FURTHER INFORMATION CONTACT: Questions concerning the ``Secondary 
National Ambient Air Quality Standards for Oxides of Nitrogen and 
Sulfur'' proposed rule should be addressed to Rich Scheffe, U.S. EPA, 
Office of Air Quality Planning and Standards, Air Quality Assessment 
Division, (C304-02), Research Triangle Park, NC 27711, telephone: (919) 
541-4650, e-mail: scheffe.rich@epa.gov.

SUPPLEMENTARY INFORMATION: 
    Extension of public comment period. The EPA has received requests 
for additional time from stakeholders and has decided to extend the 
comment period by 10 days to allow interested parties to have 
additional time to prepare their comments. The proposal was published 
in the Federal Register on August 1, 2011, (76 FR 46084) and is 
available on the following Web site: http://www.epa.gov/ttn/naaqs/standards/no2so2sec/cr_fr.html.

How can I get copies of this document and other related information?

    The EPA has established the official public docket for the 
``Secondary National Ambient Air Quality Standards for Oxides of 
Nitrogen and Sulfur'' under Docket Number EPA-HQ-OAR-2007-1145. The EPA 
has also developed a Web site for the proposal at the address given 
above. Please refer to the proposal, published in the Federal Register 
on August 1, 2011, (76 FR 46084) for detailed information on accessing 
information related to the proposal.

    Dated: September 21, 2011.
Mary Henigin,
Acting Director, Office of Air Quality Planning and Standards.
[FR Doc. 2011-24856 Filed 9-26-11; 8:45 am]
BILLING CODE 6560-50-P
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