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GLIN==> Climate Change and Combined Sewer Overflow (CSO) Mitigation in the Great Lakes

[Federal Register: March 29, 2007 (Volume 72, Number 60)]
[Page 14803-14804]
 From the Federal Register Online via GPO Access [wais.access.gpo.gov]



[Docket ID No. EPA-HQ-ORD-2007-0239; FRL-8293-7]

A Screening Assessment of the Potential Impacts of Climate Change
on Combined Sewer Overflow (CSO) Mitigation in the Great Lakes and New
England Regions

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of public comment period.


SUMMARY: EPA is announcing a 30-day public comment period for the draft
document titled, ``A Screening Assessment of the Potential Impacts of
Climate Change on Combined Sewer Overflow (CSO) Mitigation in the Great
Lakes and New England Regions'' (EPA/600/R-07/033A). The document was
prepared by the National Center for Environmental Assessment (NCEA)
within EPA's Office of Research and Development.
    EPA is releasing this draft document solely for the purpose of pre-
dissemination peer review under applicable information quality
guidelines. This document has not been formally disseminated by EPA. It
does not represent and should not be construed to represent any Agency
policy or determination. EPA will consider any public comments
submitted in accordance with this notice when revising the document.

DATES: The 30-day public comment period begins March 29, 2007, and ends
April 28, 2007. Technical comments should be in writing and must be
received by EPA by April 28, 2007.

ADDRESSES: The draft ``A Screening Assessment of the Potential Impacts
of Climate Change on Combined Sewer Overflow (CSO) Mitigation in the
Great Lakes and New England Regions'' is available primarily via the
Internet on NCEA's home page under the Recent Additions and the Data
and Publications menus at <A HREF="http://www.epa.gov/ncea";>http://www.epa.gov/ncea</A>.
A limited number of
paper copies are available from NCEA's Technical Information Staff
(telephone: 202-564-3261, facsimile: 202-565-0050). If you are
requesting a paper copy, please provide your name, your mailing
address, and the document title.
    Comments may be submitted electronically at <A HREF="http://www.regulations.gov";>http://www.regulations.gov</A>,
by mail, by facsimile, or by hand delivery/
courier. Please follow the detailed instructions provided in the
SUPPLEMENTARY INFORMATION section of this notice.

FOR FURTHER INFORMATION CONTACT: For information on the public comment
period, contact the Office of Environmental Information Docket;
telephone: 202-566-1752; facsimile: 202-566-1753; or e-mail:
<A HREF="mailto:ORD.Docket@epa.gov";>ORD.Docket@epa.gov</A>.

    For technical information, contact Thomas Johnson, NCEA; telephone:
202-564-3406; facsimile: 202-564-2018; or e-mail:
<A HREF="mailto:Johnson.thomas@epa.gov";>Johnson.thomas@epa.gov</A>.


I. Information About the Project/Document

    This report describes the potential scope and magnitude of climate
change impacts on combined sewer overflow (CSO) events mitigation
efforts in the Great Lakes Region and New England Region. The report
describes the extent to which CSO long-term control plans may be under-
designed if planners assume that past precipitation conditions are
representative of future conditions. Combined sewer systems (CSSs)
collect and co-treat stormwater and municipal wastewater. During high-
intensity rainfall events, the capacity of CSSs can be exceeded
resulting in the discharge of untreated storm water and wastewater
directly into receiving streams. These CSO events can result in high
concentrations of microbial pathogens, biochemical oxygen demand,
suspended solids, and other pollutants in receiving waters. Climate
change in many parts of the country is expected to increase the
proportion of rainfall occurring in high-intensity events, resulting in
increased stormwater runoff. Climate change could thus present a risk
of increased CSO frequency and resulting water quality impairment.

II. How To Submit Technical Comments to the Docket at
<A HREF="http://www.regulations.gov";>http://www.regulations.gov</A>

    Submit your comments, identified by Docket ID No. EPA-HQ-ORD-2007-
0239 by one of the following methods:
     <A HREF="http://www.regulations.gov:";>http://www.regulations.gov:</A>
        Follow the on-line instructions for submitting comments.
     E-mail: <A HREF="mailto:ORD.Docket@epa.gov";>ORD.Docket@epa.gov</A>.
     Fax: 202-566-1753.
     Mail: Office of Environmental Information (OEI) Docket
(Mail Code: 2822T), U.S. Environmental Protection Agency, 1200
Pennsylvania Avenue, NW., Washington, DC 20460. The phone number is
     Hand Delivery: The OEI Docket is located in the EPA
Headquarters Docket Center, EPA West Building, Room 3334, 1301
Constitution Avenue, NW., Washington, DC. The EPA Docket Center 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. Such deliveries are only accepted during
the docket's normal hours of operation, and special arrangements should
be made for deliveries of boxed information.
    If you provide comments by mail or hand delivery, please submit one
unbound original with pages numbered consecutively, and three copies of
the comments. For attachments, provide an index, number pages
consecutively with the comments, and submit an unbound original and
three copies.
    Instructions: Direct your comments to Docket ID No. EPA-HQ-ORD-
2007-0239. Please ensure that your comments are submitted within the
specified comment period. Comments received after the closing date will
be marked ``late,'' and may only be considered if time permits. It is
EPA's policy to include all comments it receives in the public docket
without change and to make the comments available online at
<A HREF="http://www.regulations.gov";>http://www.regulations.gov</A>,
including any personal information provided,
unless a 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 <A HREF="http://www.regulations.gov";>http://www.regulations.gov</A>
or e-mail.
The <A HREF="http://www.regulations.gov";>http://www.regulations.gov</A>
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

[[Page 14804]]

comment. If you send an e-mail comment directly to EPA without going
through <A HREF="http://www.regulations.gov";>http://www.regulations.gov</A>,
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
<A HREF="http://www.epa.gov/epahome/dockets.htm";>http://www.epa.gov/epahome/dockets.htm</A>.

    Docket: Documents in the docket are listed in the
<A HREF="http://www.regulations.gov";>http://www.regulations.gov</A> 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 materials,
such as copyrighted material, are publicly available only in hard copy.
Publicly available docket materials are available either electronically
in <A HREF="http://www.regulations.gov";>http://www.regulations.gov</A>
or in hard copy at the OEI Docket in the EPA Headquarters Docket Center.

    Dated: March 26, 2007.
David Bussard,
Acting Director, National Center for Environmental Assessment.
 [FR Doc. E7-5803 Filed 3-28-07; 8:45 am]

Alex J. Sagady & Associates        http://www.sagady.com

Environmental Enforcement, Permit/Technical Review, Public Policy, 
Expert Witness Review and Litigation Investigation on Air, Water and 
Waste/Community Environmental and Resource Protection
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657 Spartan Ave,  East Lansing, MI  48823  
(517) 332-6971; (517) 332-8987 (fax); ajs@sagady.com

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