[Federal Register Volume 86, Number 200 (Wednesday, October 20, 2021)]
[Notices]
[Pages 58075-58076]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2021-22784]


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ENVIRONMENTAL PROTECTION AGENCY

[EPA-HQ-ORD-2020-0675; FRL-9147-01-ORD]


Availability of the Draft IRIS Toxicological Review of 
Perfluorobutanoic Acid (PFBA) and Related Compound Ammonium 
Perfluorobutanoic Acid; Extension of Public Comment Period

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of public comment period; extension.

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[[Page 58076]]

SUMMARY: The Environmental Protection Agency (EPA) is extending the 
public comment period for the document titled, ``Availability of the 
Draft IRIS Toxicological Review of Perfluorobutanoic Acid (PFBA) and 
Related Compound Ammonium Perfluorobutanoic Acid.'' The original 
Federal Register document announcing the public comment period was 
published on August 23, 2021.

DATES: The public comment period for the notice published on August 23, 
2021 (86 FR 47100), is being extended. The EPA must receive comments on 
or before Monday, November 8, 2021.

ADDRESSES: The ``Availability of the Draft IRIS Toxicological Review of 
Perfluorobutanoic Acid (PFBA) and Related Compound Ammonium 
Perfluorobutanoic Acid'' is available via the internet on IRIS' website 
at https://www.epa.gov/iris and in the public docket at https://www.regulations.gov, Docket ID: EPA-HQ-ORD-2020-0675.

FOR FURTHER INFORMATION CONTACT: For information on the public comment 
period, contact the ORD Docket at the EPA Headquarters Docket Center; 
telephone: 202-566-1752; facsimile: 202-566-9744; or email: 
[email protected].
    For technical information on the IRIS Toxicological Review of 
Perfluorobutanoic acid (PFBA) and Related Compound Ammonium 
Perfluorobutanoic Acid, contact Ms. Vicki Soto, CPHEA; telephone: 202-
564-3077; or email: [email protected]. The IRIS Program will provide 
updates through the IRIS website (https://www.epa.gov/iris) and via 
EPA's IRIS listserv. To register for the IRIS listserv, visit the IRIS 
website (https://www.epa.gov/iris) or visit https://www.epa.gov/iris/forms/staying-connected-integrated-risk-information-system#connect.

SUPPLEMENTARY INFORMATION:

How To Submit Technical Comments to the Docket at https://www.regulations.gov

    Submit your comments, identified by Docket ID No. EPA-HQ-ORD-2020-
0675 for the Perfluorobutanoic Acid (PFBA) and Related Compound 
Ammonium Perfluorobutanoic Acid IRIS assessment, by one of the 
following methods:
     www.regulations.gov: Follow the on-line instructions for 
submitting comments.
     Email: [email protected].
     Fax: 202-566-9744. Due to COVID-19, there may be a delay 
in processing comments submitted by fax.
     Mail: U.S. Environmental Protection Agency, EPA Docket 
Center (ORD Docket), Mail Code: 28221T, 1200 Pennsylvania Avenue NW, 
Washington, DC 20460. The phone number is 202-566-1752. Due to COVID-
19, there may be a delay in processing comments submitted by mail.
    For information on visiting the EPA Docket Center Public Reading 
Room, visit https://www.epa.gov/dockets. Due to public health concerns 
related to COVID-19, the EPA Docket Center and Reading Room may be 
closed to the public with limited exceptions. The telephone number for 
the Public Reading Room is 202-566-1744. The public can submit comments 
via www.Regulations.gov or email.
    Instructions: Direct your comments to docket number EPA-HQ-ORD-
2020-0675 for Perfluorobutanoic Acid (PFBA) and Related Compound 
Ammonium Perfluorobutanoic Acid. 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 www.regulations.gov, including any personal information 
provided, unless a comment includes information claimed to be 
Confidential Business Information (CBI) or other information for which 
disclosure is restricted by statute. Do not submit information through 
www.regulations.gov or email that you consider to be CBI or otherwise 
protected. The www.regulations.gov website 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 email comment directly to EPA without going through 
www.regulations.gov, your email 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 www.epa.gov/epahome/dockets.htm.
    Docket: Documents in the docket are listed in the 
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 materials, 
such as copyrighted material, are publicly available only in hard copy. 
Publicly available docket materials are available either electronically 
in www.regulations.gov or in hard copy at the ORD Docket in the EPA 
Headquarters Docket Center.

Timothy Watkins,
Acting Director, Center for Public Health & Environmental Assessment.
[FR Doc. 2021-22784 Filed 10-19-21; 8:45 am]
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