Cyromazine, Silica Silicates (Silica Dioxide and Silica Gel), Glufosinate Ammonium, Dioctyl Sodium Sulfosuccinate (DSS) and Undecylenic Acid (UDA) Registration Review; Draft Human Health and Ecological Risk Assessments; Notice of Availability, 14540-14543 [2013-05246]
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Federal Register / Vol. 78, No. 44 / Wednesday, March 6, 2013 / Notices
3–07A including daylily (bulb), fritillaria
(bulb), garlic (bulbs of common, greatheaded, serpent), lily (bulb), onion (bulbs of
common, Chinese, pearl, potato), shallot
(bulb) plus cultivars, varieties and/or hybrids
of these; bulb vegetables, crop subgroup 3–
07B including Chinese chive (fresh leaves),
chive (fresh leaves), elegans hosta, fritillaria
(leaves), kurrat, leek, wild leek, lady’s leek,
Beltsville bunching onion, fresh onion, green
onion, macrostem onion, tree onion tops,
Welsh onion tops, shallot fresh leaves plus
cultivars, varieties and/or hybrids of these;
additional fruiting vegetables, crop group 8–
10 including African eggplant, bush tomato,
cocona, currant tomato, garden huckleberry,
goji berry, martynia, naranjilla, okra, pea
eggplant, roselle, scarlet eggplant, sunberry,
tree tomato, pepper (cayenne, chili,
habanero, jalapeno, pablano, pimento,
serrano), including cultivars, varieties and/or
hybrids of these; globe artichoke; taro leaves;
and watercress. Contact: Rita Kumar, (703)
308–8291, email address:
kumar.rita@epa.gov.
3. EPA Registration Numbers: 279–3052
and 279–3158. Docket ID Number: EPA–HQ–
OPP–2013–0056. Applicant: FMC
Corporation, 1735 Market Street,
Philadelphia, PA 19103. Active Ingredient:
Clomazone. Product Type: Herbicide.
Proposed Uses: Brassica, head and stem,
subgroup 5A; rhubarb, and southern pea.
Contact: Erik Kraft, (703) 308–9358, email
address: kraft.erik@epa.gov.
4. EPA Registration Numbers: 400–436
(technical), 400–518, and 400–521. Docket ID
Number: EPA–HQ–OPP–2012–0949.
Applicant: Chemtura Corporation, 199
Benson Road, Middlebury, CT 06749. Active
ingredient: Triflumizole. Product Type:
Fungicide. Proposed Uses: Tomato; Pome
Fruit, Group 11–10; Small Fruit, Vine
Climbing, except Fuzzy Kiwifruit, Subgroup
13–07F; and Low Growing Berry, Subgroup
13–07G. Contact: Tamue L. Gibson, (703)
305–9096, email address:
gibson.tamue@epa.gov.
5. EPA Registration Numbers: 62719–373
(technical), 62719–374 (MUP) and 62719–
375. Docket ID Number: EPA–HQ–OPP–
2012–0911. Applicant: Chemtura
Corporation, 199 Benson Road, Middlebury,
CT 06749. Active Ingredient: Quinoxyfen.
Product Type: Insecticide. Proposed Uses:
Fruiting Vegetable, Group 8–10; Small Fruit,
Vine Climbing, except Fuzzy Kiwifruit,
Subgroup 13–07F; and Low Growing Berry,
Subgroup 13–07G. Contact: Tamue L. Gibson,
(703) 305–9096, email address:
gibson.tamue@epa.gov.
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List of Subjects
Environmental protection, Pesticides
and pest.
Dated: February 22, 2013.
Daniel J. Rosenblatt,
Acting Director, Registration Division, Office
of Pesticide Programs.
[FR Doc. 2013–05091 Filed 3–5–13; 8:45 am]
BILLING CODE 6560–50–P
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ENVIRONMENTAL PROTECTION
AGENCY
[EPA–HQ–OPP–2008–0850; FRL–9380–7]
Dated: February 26, 2013.
Richard P. Keigwin, Jr.,
Director, Pesticide Re-Evaluation Division,
Office of Pesticide Programs.
[FR Doc. 2013–05094 Filed 3–5–13; 8:45 am]
Chlorpyrifos Registration Review;
Preliminary Volatilization Assessment;
Extension of Comment Period
Environmental Protection
Agency (EPA).
AGENCY:
ACTION:
Notice; extension of comment
period.
SUMMARY: EPA issued a notice in the
Federal Register issue of February 6,
2013, concerning Chlorpyrifos
Registration Review; Preliminary
Evaluation of the Potential Risk From
Volatilization. This document extends
the comment period for 60 days, from
March 8, 2013 to May 7, 2013.
Comments, identified by docket
identification (ID) number EPA–HQ–
OPP–2008–0850, must be received on or
before May 7, 2013.
DATES:
Follow the detailed
instructions as provided under
ADDRESSES in the Federal Register
document of February 6, 2013.
ADDRESSES:
Joel
Wolf, Pesticide Re-Evaluation Division
(7508P), Office of Pesticide Programs,
Environmental Protection Agency, 1200
Pennsylvania Ave. NW., Washington,
DC 20460–0001; telephone number:
(703) 347–0228; email address:
wolf.joel@epa.gov.
FOR FURTHER INFORMATION CONTACT:
This
document extends the public comment
period established in the Federal
Register issue of February 6, 2013 (78
FR 8522) (FRL–9376–5). In that
document, EPA announced the
availability for public comment of its
preliminary volatilization assessment
for the registration review of
chlorpyrifos. EPA received requests
from several commenters to extend the
comment period. EPA is hereby
extending the comment period, which
was set to end on March 8, 2013, to May
7, 2013.
To submit comments, or access the
docket, please follow the detailed
instructions as provided under
ADDRESSES in the February 6, 2013
Federal Register document. If you have
questions, consult the person listed
under FOR FURTHER INFORMATION
CONTACT.
SUPPLEMENTARY INFORMATION:
List of Subjects
Environmental protection,
Chlorpyrifos, Pesticides, Pests.
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ENVIRONMENTAL PROTECTION
AGENCY
[EPA–HQ–OPP–2012–0907; FRL–9379–5]
Cyromazine, Silica Silicates (Silica
Dioxide and Silica Gel), Glufosinate
Ammonium, Dioctyl Sodium
Sulfosuccinate (DSS) and Undecylenic
Acid (UDA) Registration Review; Draft
Human Health and Ecological Risk
Assessments; Notice of Availability
Environmental Protection
Agency (EPA).
ACTION: Notice.
AGENCY:
SUMMARY: This notice announces the
availability of EPA’s draft human health
and ecological risk assessments for the
registration review of cyromazine, silica
silicates (silica dioxide and silica gel),
glufosinate ammonium, dioctyl sodium
sulfosuccinate (DSS) and undecylenic
acid (UDA) and opens a public
comment period on these documents.
Registration review is EPA’s periodic
review of pesticide registrations to
ensure that each pesticide continues to
satisfy the statutory standard for
registration, that is, the pesticide can
perform its intended function without
unreasonable adverse effects on human
health or the environment. As part of
the registration review process, the
Agency has completed draft risk
assessments for each of the subject
chemicals and is making them available
for public comment. After reviewing
comments received during the public
comment period, EPA will issue a
revised risk assessment, if appropriate,
explain any changes to the draft risk
assessment, and respond to comments
and may request public input on risk
mitigation. Through this program, EPA
is ensuring that each pesticide’s
registration is based on current
scientific and other knowledge,
including its effects on human health
and the environment.
DATES: Comments must be received on
or before May 6, 2013.
ADDRESSES: Submit your comments,
identified by the docket identification
(ID) number for the specific pesticide of
interest provided in the table in Unit
III., by one of the following methods:
• Federal eRulemaking Portal: https://
www.regulations.gov. Follow the online
instructions for submitting comments.
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Do not submit electronically any
information you consider to be
Confidential Business Information (CBI)
or other information whose disclosure is
restricted by statute.
• Mail: OPP Docket, Environmental
Protection Agency Docket Center (EPA/
DC), (28221T), 1200 Pennsylvania Ave.
NW., Washington, DC 20460–0001.
• Hand Delivery: To make special
arrangements for hand delivery or
delivery of boxed information, please
follow the instructions at https://
www.epa.gov/dockets/contacts.htm.
Additional instructions on
commenting or visiting the docket,
along with more information about
dockets generally, is available at https://
www.epa.gov/dockets.
FOR FURTHER INFORMATION CONTACT: For
information about a particular pesticide
included in this document, contact the
Chemical Review Manager identified in
the table in Unit III. for the pesticide of
interest.
For general questions on the
registration review program, contact:
Jane Scott-Smith, Pesticide Reevaluation Division (7508P), Office of
Pesticide Programs, Environmental
Protection Agency, 1200 Pennsylvania
Ave. NW., Washington, DC 20460–0001;
telephone number: (703) 308–0048; fax
number: (703) 305–8005; email address:
smith.jane-scott@epa.gov.
SUPPLEMENTARY INFORMATION:
I. General Information
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A. Does this action apply to me?
This action is directed to the public
in general, and may be of interest to a
wide range of stakeholders including
environmental, human health, farm
worker, and agricultural advocates; the
chemical industry; pesticide users; and
members of the public interested in the
sale, distribution, or use of pesticides.
Since others also may be interested, the
Agency has not attempted to describe all
the specific entities that may be affected
by this action. If you have any questions
regarding the applicability of this action
to a particular entity, consult the
Chemical Review Manager identified in
the table in Unit III. for the pesticide of
interest.
B. What should I consider as I prepare
my comments for EPA?
1. Submitting CBI. Do not submit this
information to EPA through
regulations.gov or email. 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
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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
40 CFR part 2.
2. Tips for preparing your comments.
When submitting comments, remember
to:
i. Identify the document by docket ID
number and other identifying
information (subject heading, Federal
Register date and page number).
ii. 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.
iii. Explain why you agree or disagree;
suggest alternatives and substitute
language for your requested changes.
iv. Describe any assumptions and
provide any technical information and/
or data that you used.
v. If you estimate potential costs or
burdens, explain how you arrived at
your estimate in sufficient detail to
allow for it to be reproduced.
vi. Provide specific examples to
illustrate your concerns and suggest
alternatives.
vii. Explain your views as clearly as
possible, avoiding the use of profanity
or personal threats.
viii. Make sure to submit your
comments by the comment period
deadline identified.
3. Environmental justice. EPA seeks to
achieve environmental justice, the fair
treatment and meaningful involvement
of any group, including minority and/or
low income populations, in the
development, implementation, and
enforcement of environmental laws,
regulations, and policies. To help
address potential environmental justice
issues, the Agency seeks information on
any groups or segments of the
population who, as a result of their
location, cultural practices, or other
factors, may have atypical or
disproportionately high and adverse
human health impacts and/or
environmental effects from exposure to
the pesticides discussed in this
document, compared to the general
population.
II. Authority
EPA is conducting its registration
review of the pesticides identified in
this document pursuant to section 3(g)
of the Federal Insecticide, Fungicide,
and Rodenticide Act (FIFRA) and the
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Procedural Regulations for Registration
Review at 40 CFR part 155, subpart C.
Section 3(g) of FIFRA provides, among
other things, that the registrations of
pesticides are to be reviewed every 15
years. Under FIFRA, a pesticide product
may be registered or remain registered
only if it meets the statutory standard
for registration given in FIFRA section
3(c)(5). When used in accordance with
widespread and commonly recognized
practice, the pesticide product must
perform its intended function without
unreasonable adverse effects on the
environment; that is, without any
unreasonable risk to man or the
environment, or a human dietary risk
from residues that result from the use of
a pesticide in or on food.
III. Registration Reviews
What action is the agency taking?
As directed by FIFRA section 3(g),
EPA is reviewing the pesticide
registrations for cyromazine, silica
silicates, glufosinate ammonium, DSS,
and UDA to ensure that they continue
to satisfy the FIFRA standard for
registration—that is, that these
pesticides can still be used without
unreasonable adverse effects on human
health or the environment.
At this stage in the registration review
process, consistent with the notice
published in the Federal Register of
August 17, 2012, (77 FR 49792) (FRL–
9356–5), jointly developed with the U.S.
Department of Agriculture (USDA), the
National Marine Fisheries Service
(NMFS) and the U.S. Fish and Wildlife
Service (USFWS) (‘‘the Services’’) to
enhance opportunities for stakeholder
input during pesticide registration
reviews and endangered species
consultations, draft environmental risk
assessments include a screening-level
evaluation of the potential risks to
Federally endangered and threatened
species (hereafter referred to as ‘‘listed
species’’). EPA intends to complete a
refined assessment of potential risks to
individual listed species, as needed.
The refined listed species assessments
will be based on the recommendations
of the National Research Council (NRC),
which has been tasked with providing
advice on ecological risk assessment
tools and scientific approaches in
developing listed species risk
assessments that are compliant with
both FIFRA and the Endangered Species
Act (ESA). EPA anticipates that the NRC
report, expected in spring 2013, will
provide recommendations to ensure
scientific soundness and maximize the
utility of risk assessment refinements for
listed species. Additional information
can be found at the following Web site:
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https://www.nationalacademies.org/cp/
projectview.aspx?key=49396. Useful
refinements to the listed species
assessments are expected to include, but
not be limited to, the following: (1)
More detailed, species-specific
ecological and biological data; (2) more
detailed and accurate information on
chemical use patterns; and (3) subcounty level spatial proximity data
depicting the co-occurrence of potential
effects and listed species and any
designated critical habitat.
If, in the event that a draft risk
assessment shows risks of concern to
human health or the environment for a
specific chemical, EPA reserves the
right to initiate mitigation at this stage
of registration review. This effort to
mitigate a chemical’s risks early in the
registration review process is consistent
with the Agency’s approach for
registration review. Where risks are
identified early in the registration
review process and opportunities for
early mitigation exist, the Agency may
pursue those opportunities as they arise,
rather then waiting for completion of a
chemical’s registration review in order
to mitigate risks. The public comment
period for the draft risk assessments
allows members of the public to provide
comments and suggestions for revising
the draft risk assessments and for
reducing risks.
Pursuant to 40 CFR 155.53(c), EPA is
providing an opportunity, through this
notice of availability, for interested
parties to provide comments and input
concerning the Agency’s draft human
health and ecological risk assessments
for cyromazine, silica silicates,
glufosinate ammonium, DSS, and UDA.
Such comments and input could
address, among other things, the
Agency’s risk assessment methodologies
and assumptions, as applied in these
draft risk assessments.
The Agency will consider all
comments received during the public
comment period and make changes, as
appropriate, to the draft human health
and ecological risk assessments. EPA
will then issue revised risk assessments,
if appropriate, and explain any changes
to the draft risk assessments, and
respond to comments. In the Federal
Register notice announcing the
availability of the revised risk
assessments, if any of the revised risk
assessments indicate risks of concern,
the Agency may provide a comment
period for the public to submit
suggestions for mitigating the risks
identified in those revised risk
assessments. At present, EPA is
releasing registration review draft risk
assessments for the pesticide cases
identified in the following table and
further described after the table.
TABLE—REGISTRATION REVIEW DRAFT RISK ASSESSMENTS
Chemical review manager, telephone number, and Email address
Registration review case name and number
Pesticide docket ID No.
Cyromazine, Case # 7439 ..........................................
EPA–HQ–OPP–2006–0108 .......................................
Dioctyl sodium sulfosuccinate, Case# 4029 ...............
EPA–HQ–OPP–2010–1006 .......................................
Glufosinate Ammonium, .............................................
Case# 7224 .................................................................
EPA–HQ–OPP–2008–0190 .......................................
Silica Silicates, Case# 4081 .......................................
EPA–HQ–OPP–2007–1140 .......................................
Undecylenic acid, Case# 4095 ...................................
EPA–HQ–OPP–2011–0910 .......................................
pmangrum on DSK3VPTVN1PROD with NOTICES
Cyromazine
The registration review docket for
cyromazine (EPA–HQ–OPP–2006–0108)
opened in a notice published in the
Federal Register of March 28, 2007 (72
FR 14548) (FRL–8118–3). Cyromazine,
an insecticide/larvicide, is a member of
the triazine class of chemicals registered
for use on a variety of agricultural food
crop as well as non-food uses such as
landscape and greenhouse ornamentals.
For cyromazine, the Agency has
conducted a human health risk
assessment for both dietary (food and
drinking water) and occupational
exposure pathways. The Agency has
also conducted an ecological risk
assessment, which includes a screeninglevel listed species assessment. EPA
acknowledges that further refinements
to the listed species assessment will be
completed in future revisions and
requests public comment on specific
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Kelly Ballard,
(703) 305–8126,
Ballard.kelly@epa.gov.
Garland Waleko,
(703) 308–8049,
Waleko.garland@epa.gov.
Katie Weyrauch,
(703) 308–0166,
Weyrauch.katie@epa.gov.
Laura Parsons,
(703) 305–5776,
Parsons.laura@epa.gov.
Garland Waleko,
(703) 308–8049,
Waleko.garland@epa.gov.
areas that will reduce the uncertainties
associated with the characterization of
risk to listed species identified in the
current assessment.
ecological risks, including listed species
for DSS.
Dioctyl Sodium Sulfosuccinate (DSS)
The registration review docket for
glufosinate ammonium (EPA–HQ–OPP–
2008–0190) opened in a notice
published in the Federal Register of
March 26, 2008 (73 FR 16011) (FRL–
8356–4). Glufosinate ammonium is an
herbicide that acts by inhibiting
glutamine synthetase, which leads to
poisoning in plants via the
overproduction of ammonia. Glufosinate
ammonium is registered for use on a
variety of food crops, and is registered
for use on non-crop areas such as golf
course turf and spot treatments on
residential lawns. To support the
registration review of glufosinate
ammonium, the Agency has conducted
a human health risk assessment via a
new use risk assessment for citrus,
The registration review docket for
DSS (EPA–HQ–OPP–2010–1006)
opened in a notice published in the
Federal Register of December 22, 2010
(75 FR 80496) (FRL–8857–6). DSS is
registered as an insecticide in pet
shampoos and spray products in
combination with undecylenic acid.
There are no food uses and, thus, no
tolerances are established. DSS is also
used as an inert ingredient in several
end-use pesticide products,
disinfectants and sanitizers, and as a
wetting agent in industrial, drug,
cosmetic, and food products. The
Agency has conducted a qualitative
assessment of both human health and
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pome, and stone fruits completed July
25, 2012, and an addendum completed
on January 24, 2013, that addresses
other scenarios not covered in the July
25, 2012 new use assessment. The
Agency has also conducted an
ecological risk assessment, which
includes a screening-level listed species
assessment. EPA acknowledges that
further refinements to the listed species
assessment will be completed in future
revisions and requests public comment
on specific areas that will reduce the
uncertainties associated with the
characterization of risk to listed species
identified in the current assessment.
Silica Silicates
The registration review docket for
silica silicates (EPA–HQ–OPP–2007–
1140) opened in a notice published in
the Federal Register of March 26, 2008
(73 FR 16011) (FRL–8356–4). Silica
silicates, silicon dioxide and silica gel,
are insecticides and acaracides used in
controlling insects at indoor and
outdoor sites including a variety of
crops. Silicon dioxide is diatomaceous
earth, a naturally-occurring material
composed of the shells of minute,
single-celled algae. Silica gel is an
amorphous form of silicon dioxide.
Because of their abrasive characteristics,
both active ingredients affect insects by
removing the oily protective film
covering their bodies which normally
prevents the loss of water, leading to
death by desiccation. The qualitative
human health risk assessment
conducted for the 1991 reregistration
eligibility decision (RED) is still
considered to be an adequate analysis of
potential risks to humans. No new
human health toxicology or exposure
data were required or are available for
silica silicates; therefore, a new human
health risk assessment was not
necessary to be completed for
registration review nor is one being
made available for comment at this
time. Further, due to low toxicity, and
the fact that silica silicates naturally
occur in the environment, the Agency
has conducted a qualitative ecological
risk assessment for non-target terrestrial
species. EPA acknowledges that further
refinements to the listed species
assessment will be completed in future
revisions and requests public comment
on specific areas that will reduce the
uncertainties associated with the
characterization of risk to listed species
identified in the current assessment.
Undecylenic Acid (UDA)
The registration review docket for
UDA (EPA–HQ–OPP–2011–0910)
opened in a notice published in the
Federal Register of December 21, 2011
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(76 FR 79173) (FRL–9329–7). UDA is
registered as an insecticide in pet
shampoos and spray products in
combination with dioctyl sodium
sulfosuccinate (DSS). There are no food
uses and, thus, no tolerances are
established. UDA is approved by the
U.S. Food and Drug Administration
(FDA) as an active ingredient in over the
counter anti-fungal products, and it is
also used as a flavoring agent. EPA has
conducted a qualitative assessment for
both human health and ecological risks,
including listed species for UDA.
1. Other related information.
Additional information on cyromazine,
silica silicates, glufosinate ammonium,
DSS, and UDA is available on the
chemical pages for these pesticides in
Chemical Search, https://www.epa.gov/
pesticides/chemicalsearch/, and in each
chemical’s individual docket listed in
Table in Unit III. Information on the
Agency’s registration review program
and its implementing regulation is
available at https://www.epa.gov/
oppsrrd1/registration_review/.
2. Information submission
requirements. Anyone may submit data
or information in response to this
document. To be considered during a
pesticide’s registration review, the
submitted data or information must
meet the following requirements:
• To ensure that EPA will consider
data or information submitted,
interested persons must submit the data
or information during the comment
period. The Agency may, at its
discretion, consider data or information
submitted at a later date.
• The data or information submitted
must be presented in a legible and
useable form. For example, an English
translation must accompany any
material that is not in English and a
written transcript must accompany any
information submitted as an
audiographic or videographic record.
Written material may be submitted in
paper or electronic form.
• Submitters must clearly identify the
source of any submitted data or
information.
• Submitters may request the Agency
to reconsider data or information that
the Agency rejected in a previous
review. However, submitters must
explain why they believe the Agency
should reconsider the data or
information in the pesticide’s
registration review.
As provided in 40 CFR 155.58, the
registration review docket for each
pesticide case will remain publicly
accessible through the duration of the
registration review process; that is, until
all actions required in the final decision
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on the registration review case have
been completed.
List of Subjects
Environmental protection, Pesticides
and pests, cyromazine, silica silicates
(silica dioxide and silica gel),
glufosinate ammonium (glufosinate),
dioctyl sodium sulfosuccinate (DSS),
and undecylenic acid (UDA), draft risk
assessments.
Dated: Feburary 26, 2013.
Richard P. Keigwin, Jr.,
Director, Pesticide Re-evaluation Division,
Office of Pesticide Programs.
[FR Doc. 2013–05246 Filed 3–5–13; 8:45 am]
BILLING CODE 6560–50–P
ENVIRONMENTAL PROTECTION
AGENCY
[FRL 9788–2; CERCLA–04–2013–3754]
Ward Transformer Superfund Site;
Raleigh, Wake County, NC; Notice of
Settlement
Environmental Protection
Agency.
ACTION: Notice of settlement.
AGENCY:
SUMMARY: Under 122(g)(4) of the
Comprehensive Environmental
Response, Compensation and Liability
Act (CERCLA), the United States
Environmental Protection Agency has
entered into a settlement at the Ward
Transformer Superfund Site located in
Raleigh, Wake County, North Carolina.
Under the terms of the De Minimis
Landowner Settlement Agreement B&B
Apartments, LLC, agrees to sell the
property and B&B Apartments, LLC, and
Estes Express Lines, Inc., agree to
provide access, implement/comply with
institutional controls, and exercise due
care and cooperation for such time as
they own or lease the property in
exchange for the covenant not to sue
and contribution protection provided in
the Settlement Agreement.
The Agency will consider public
comments on the settlement until April
5, 2013. The Agency will consider all
comments received and may modify or
withdraw its consent to the settlement
if comments received disclose facts or
considerations which indicate that the
settlement is inappropriate, improper,
or inadequate.
DATES:
Copies of the settlement are
available from EPA Region 4 contact Ms.
Paula V. Painter. Submit your comments
by Site name Ward Transformer
Superfund Site by one of the following
methods:
ADDRESSES:
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]]>Agencies
[Federal Register Volume 78, Number 44 (Wednesday, March 6, 2013)]
[Notices]
[Pages 14540-14543]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2013-05246]
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ENVIRONMENTAL PROTECTION AGENCY
[EPA-HQ-OPP-2012-0907; FRL-9379-5]
Cyromazine, Silica Silicates (Silica Dioxide and Silica Gel),
Glufosinate Ammonium, Dioctyl Sodium Sulfosuccinate (DSS) and
Undecylenic Acid (UDA) Registration Review; Draft Human Health and
Ecological Risk Assessments; Notice of Availability
AGENCY: Environmental Protection Agency (EPA).
ACTION: Notice.
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SUMMARY: This notice announces the availability of EPA's draft human
health and ecological risk assessments for the registration review of
cyromazine, silica silicates (silica dioxide and silica gel),
glufosinate ammonium, dioctyl sodium sulfosuccinate (DSS) and
undecylenic acid (UDA) and opens a public comment period on these
documents. Registration review is EPA's periodic review of pesticide
registrations to ensure that each pesticide continues to satisfy the
statutory standard for registration, that is, the pesticide can perform
its intended function without unreasonable adverse effects on human
health or the environment. As part of the registration review process,
the Agency has completed draft risk assessments for each of the subject
chemicals and is making them available for public comment. After
reviewing comments received during the public comment period, EPA will
issue a revised risk assessment, if appropriate, explain any changes to
the draft risk assessment, and respond to comments and may request
public input on risk mitigation. Through this program, EPA is ensuring
that each pesticide's registration is based on current scientific and
other knowledge, including its effects on human health and the
environment.
DATES: Comments must be received on or before May 6, 2013.
ADDRESSES: Submit your comments, identified by the docket
identification (ID) number for the specific pesticide of interest
provided in the table in Unit III., by one of the following methods:
Federal eRulemaking Portal: https://www.regulations.gov.
Follow the online instructions for submitting comments.
[[Page 14541]]
Do not submit electronically any information you consider to be
Confidential Business Information (CBI) or other information whose
disclosure is restricted by statute.
Mail: OPP Docket, Environmental Protection Agency Docket
Center (EPA/DC), (28221T), 1200 Pennsylvania Ave. NW., Washington, DC
20460-0001.
Hand Delivery: To make special arrangements for hand
delivery or delivery of boxed information, please follow the
instructions at https://www.epa.gov/dockets/contacts.htm.
Additional instructions on commenting or visiting the docket, along
with more information about dockets generally, is available at https://www.epa.gov/dockets.
FOR FURTHER INFORMATION CONTACT: For information about a particular
pesticide included in this document, contact the Chemical Review
Manager identified in the table in Unit III. for the pesticide of
interest.
For general questions on the registration review program, contact:
Jane Scott-Smith, Pesticide Re-evaluation Division (7508P), Office
of Pesticide Programs, Environmental Protection Agency, 1200
Pennsylvania Ave. NW., Washington, DC 20460-0001; telephone number:
(703) 308-0048; fax number: (703) 305-8005; email address: smith.jane-scott@epa.gov.
SUPPLEMENTARY INFORMATION:
I. General Information
A. Does this action apply to me?
This action is directed to the public in general, and may be of
interest to a wide range of stakeholders including environmental, human
health, farm worker, and agricultural advocates; the chemical industry;
pesticide users; and members of the public interested in the sale,
distribution, or use of pesticides. Since others also may be
interested, the Agency has not attempted to describe all the specific
entities that may be affected by this action. If you have any questions
regarding the applicability of this action to a particular entity,
consult the Chemical Review Manager identified in the table in Unit
III. for the pesticide of interest.
B. What should I consider as I prepare my comments for EPA?
1. Submitting CBI. Do not submit this information to EPA through
regulations.gov or email. 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 40 CFR part 2.
2. Tips for preparing your comments. When submitting comments,
remember to:
i. Identify the document by docket ID number and other identifying
information (subject heading, Federal Register date and page number).
ii. 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.
iii. Explain why you agree or disagree; suggest alternatives and
substitute language for your requested changes.
iv. Describe any assumptions and provide any technical information
and/or data that you used.
v. If you estimate potential costs or burdens, explain how you
arrived at your estimate in sufficient detail to allow for it to be
reproduced.
vi. Provide specific examples to illustrate your concerns and
suggest alternatives.
vii. Explain your views as clearly as possible, avoiding the use of
profanity or personal threats.
viii. Make sure to submit your comments by the comment period
deadline identified.
3. Environmental justice. EPA seeks to achieve environmental
justice, the fair treatment and meaningful involvement of any group,
including minority and/or low income populations, in the development,
implementation, and enforcement of environmental laws, regulations, and
policies. To help address potential environmental justice issues, the
Agency seeks information on any groups or segments of the population
who, as a result of their location, cultural practices, or other
factors, may have atypical or disproportionately high and adverse human
health impacts and/or environmental effects from exposure to the
pesticides discussed in this document, compared to the general
population.
II. Authority
EPA is conducting its registration review of the pesticides
identified in this document pursuant to section 3(g) of the Federal
Insecticide, Fungicide, and Rodenticide Act (FIFRA) and the Procedural
Regulations for Registration Review at 40 CFR part 155, subpart C.
Section 3(g) of FIFRA provides, among other things, that the
registrations of pesticides are to be reviewed every 15 years. Under
FIFRA, a pesticide product may be registered or remain registered only
if it meets the statutory standard for registration given in FIFRA
section 3(c)(5). When used in accordance with widespread and commonly
recognized practice, the pesticide product must perform its intended
function without unreasonable adverse effects on the environment; that
is, without any unreasonable risk to man or the environment, or a human
dietary risk from residues that result from the use of a pesticide in
or on food.
III. Registration Reviews
What action is the agency taking?
As directed by FIFRA section 3(g), EPA is reviewing the pesticide
registrations for cyromazine, silica silicates, glufosinate ammonium,
DSS, and UDA to ensure that they continue to satisfy the FIFRA standard
for registration--that is, that these pesticides can still be used
without unreasonable adverse effects on human health or the
environment.
At this stage in the registration review process, consistent with
the notice published in the Federal Register of August 17, 2012, (77 FR
49792) (FRL-9356-5), jointly developed with the U.S. Department of
Agriculture (USDA), the National Marine Fisheries Service (NMFS) and
the U.S. Fish and Wildlife Service (USFWS) (``the Services'') to
enhance opportunities for stakeholder input during pesticide
registration reviews and endangered species consultations, draft
environmental risk assessments include a screening-level evaluation of
the potential risks to Federally endangered and threatened species
(hereafter referred to as ``listed species''). EPA intends to complete
a refined assessment of potential risks to individual listed species,
as needed. The refined listed species assessments will be based on the
recommendations of the National Research Council (NRC), which has been
tasked with providing advice on ecological risk assessment tools and
scientific approaches in developing listed species risk assessments
that are compliant with both FIFRA and the Endangered Species Act
(ESA). EPA anticipates that the NRC report, expected in spring 2013,
will provide recommendations to ensure scientific soundness and
maximize the utility of risk assessment refinements for listed species.
Additional information can be found at the following Web site:
[[Page 14542]]
https://www.nationalacademies.org/cp/projectview.aspx?key=49396. Useful
refinements to the listed species assessments are expected to include,
but not be limited to, the following: (1) More detailed, species-
specific ecological and biological data; (2) more detailed and accurate
information on chemical use patterns; and (3) sub-county level spatial
proximity data depicting the co-occurrence of potential effects and
listed species and any designated critical habitat.
If, in the event that a draft risk assessment shows risks of
concern to human health or the environment for a specific chemical, EPA
reserves the right to initiate mitigation at this stage of registration
review. This effort to mitigate a chemical's risks early in the
registration review process is consistent with the Agency's approach
for registration review. Where risks are identified early in the
registration review process and opportunities for early mitigation
exist, the Agency may pursue those opportunities as they arise, rather
then waiting for completion of a chemical's registration review in
order to mitigate risks. The public comment period for the draft risk
assessments allows members of the public to provide comments and
suggestions for revising the draft risk assessments and for reducing
risks.
Pursuant to 40 CFR 155.53(c), EPA is providing an opportunity,
through this notice of availability, for interested parties to provide
comments and input concerning the Agency's draft human health and
ecological risk assessments for cyromazine, silica silicates,
glufosinate ammonium, DSS, and UDA. Such comments and input could
address, among other things, the Agency's risk assessment methodologies
and assumptions, as applied in these draft risk assessments.
The Agency will consider all comments received during the public
comment period and make changes, as appropriate, to the draft human
health and ecological risk assessments. EPA will then issue revised
risk assessments, if appropriate, and explain any changes to the draft
risk assessments, and respond to comments. In the Federal Register
notice announcing the availability of the revised risk assessments, if
any of the revised risk assessments indicate risks of concern, the
Agency may provide a comment period for the public to submit
suggestions for mitigating the risks identified in those revised risk
assessments. At present, EPA is releasing registration review draft
risk assessments for the pesticide cases identified in the following
table and further described after the table.
Table--Registration Review Draft Risk Assessments
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Registration review case name and Chemical review manager, telephone number, and
number Pesticide docket ID No. Email address
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Cyromazine, Case 7439..... EPA-HQ-OPP-2006-0108... Kelly Ballard,
(703) 305-8126,
Ballard.kelly@epa.gov.
Dioctyl sodium sulfosuccinate, EPA-HQ-OPP-2010-1006... Garland Waleko,
Case 4029. (703) 308-8049,
Waleko.garland@epa.gov.
Glufosinate Ammonium,............... EPA-HQ-OPP-2008-0190... Katie Weyrauch,
Case 7224.................. (703) 308-0166,
Weyrauch.katie@epa.gov.
Silica Silicates, Case 4081 EPA-HQ-OPP-2007-1140... Laura Parsons,
(703) 305-5776,
Parsons.laura@epa.gov.
Undecylenic acid, Case 4095 EPA-HQ-OPP-2011-0910... Garland Waleko,
(703) 308-8049,
Waleko.garland@epa.gov.
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Cyromazine
The registration review docket for cyromazine (EPA-HQ-OPP-2006-
0108) opened in a notice published in the Federal Register of March 28,
2007 (72 FR 14548) (FRL-8118-3). Cyromazine, an insecticide/larvicide,
is a member of the triazine class of chemicals registered for use on a
variety of agricultural food crop as well as non-food uses such as
landscape and greenhouse ornamentals. For cyromazine, the Agency has
conducted a human health risk assessment for both dietary (food and
drinking water) and occupational exposure pathways. The Agency has also
conducted an ecological risk assessment, which includes a screening-
level listed species assessment. EPA acknowledges that further
refinements to the listed species assessment will be completed in
future revisions and requests public comment on specific areas that
will reduce the uncertainties associated with the characterization of
risk to listed species identified in the current assessment.
Dioctyl Sodium Sulfosuccinate (DSS)
The registration review docket for DSS (EPA-HQ-OPP-2010-1006)
opened in a notice published in the Federal Register of December 22,
2010 (75 FR 80496) (FRL-8857-6). DSS is registered as an insecticide in
pet shampoos and spray products in combination with undecylenic acid.
There are no food uses and, thus, no tolerances are established. DSS is
also used as an inert ingredient in several end-use pesticide products,
disinfectants and sanitizers, and as a wetting agent in industrial,
drug, cosmetic, and food products. The Agency has conducted a
qualitative assessment of both human health and ecological risks,
including listed species for DSS.
Glufosinate Ammonium
The registration review docket for glufosinate ammonium (EPA-HQ-
OPP-2008-0190) opened in a notice published in the Federal Register of
March 26, 2008 (73 FR 16011) (FRL-8356-4). Glufosinate ammonium is an
herbicide that acts by inhibiting glutamine synthetase, which leads to
poisoning in plants via the overproduction of ammonia. Glufosinate
ammonium is registered for use on a variety of food crops, and is
registered for use on non-crop areas such as golf course turf and spot
treatments on residential lawns. To support the registration review of
glufosinate ammonium, the Agency has conducted a human health risk
assessment via a new use risk assessment for citrus,
[[Page 14543]]
pome, and stone fruits completed July 25, 2012, and an addendum
completed on January 24, 2013, that addresses other scenarios not
covered in the July 25, 2012 new use assessment. The Agency has also
conducted an ecological risk assessment, which includes a screening-
level listed species assessment. EPA acknowledges that further
refinements to the listed species assessment will be completed in
future revisions and requests public comment on specific areas that
will reduce the uncertainties associated with the characterization of
risk to listed species identified in the current assessment.
Silica Silicates
The registration review docket for silica silicates (EPA-HQ-OPP-
2007-1140) opened in a notice published in the Federal Register of
March 26, 2008 (73 FR 16011) (FRL-8356-4). Silica silicates, silicon
dioxide and silica gel, are insecticides and acaracides used in
controlling insects at indoor and outdoor sites including a variety of
crops. Silicon dioxide is diatomaceous earth, a naturally-occurring
material composed of the shells of minute, single-celled algae. Silica
gel is an amorphous form of silicon dioxide. Because of their abrasive
characteristics, both active ingredients affect insects by removing the
oily protective film covering their bodies which normally prevents the
loss of water, leading to death by desiccation. The qualitative human
health risk assessment conducted for the 1991 reregistration
eligibility decision (RED) is still considered to be an adequate
analysis of potential risks to humans. No new human health toxicology
or exposure data were required or are available for silica silicates;
therefore, a new human health risk assessment was not necessary to be
completed for registration review nor is one being made available for
comment at this time. Further, due to low toxicity, and the fact that
silica silicates naturally occur in the environment, the Agency has
conducted a qualitative ecological risk assessment for non-target
terrestrial species. EPA acknowledges that further refinements to the
listed species assessment will be completed in future revisions and
requests public comment on specific areas that will reduce the
uncertainties associated with the characterization of risk to listed
species identified in the current assessment.
Undecylenic Acid (UDA)
The registration review docket for UDA (EPA-HQ-OPP-2011-0910)
opened in a notice published in the Federal Register of December 21,
2011 (76 FR 79173) (FRL-9329-7). UDA is registered as an insecticide in
pet shampoos and spray products in combination with dioctyl sodium
sulfosuccinate (DSS). There are no food uses and, thus, no tolerances
are established. UDA is approved by the U.S. Food and Drug
Administration (FDA) as an active ingredient in over the counter anti-
fungal products, and it is also used as a flavoring agent. EPA has
conducted a qualitative assessment for both human health and ecological
risks, including listed species for UDA.
1. Other related information. Additional information on cyromazine,
silica silicates, glufosinate ammonium, DSS, and UDA is available on
the chemical pages for these pesticides in Chemical Search, https://www.epa.gov/pesticides/chemicalsearch/, and in each chemical's
individual docket listed in Table in Unit III. Information on the
Agency's registration review program and its implementing regulation is
available at https://www.epa.gov/oppsrrd1/registration_review/.
2. Information submission requirements. Anyone may submit data or
information in response to this document. To be considered during a
pesticide's registration review, the submitted data or information must
meet the following requirements:
To ensure that EPA will consider data or information
submitted, interested persons must submit the data or information
during the comment period. The Agency may, at its discretion, consider
data or information submitted at a later date.
The data or information submitted must be presented in a
legible and useable form. For example, an English translation must
accompany any material that is not in English and a written transcript
must accompany any information submitted as an audiographic or
videographic record. Written material may be submitted in paper or
electronic form.
Submitters must clearly identify the source of any
submitted data or information.
Submitters may request the Agency to reconsider data or
information that the Agency rejected in a previous review. However,
submitters must explain why they believe the Agency should reconsider
the data or information in the pesticide's registration review.
As provided in 40 CFR 155.58, the registration review docket for
each pesticide case will remain publicly accessible through the
duration of the registration review process; that is, until all actions
required in the final decision on the registration review case have
been completed.
List of Subjects
Environmental protection, Pesticides and pests, cyromazine, silica
silicates (silica dioxide and silica gel), glufosinate ammonium
(glufosinate), dioctyl sodium sulfosuccinate (DSS), and undecylenic
acid (UDA), draft risk assessments.
Dated: Feburary 26, 2013.
Richard P. Keigwin, Jr.,
Director, Pesticide Re-evaluation Division, Office of Pesticide
Programs.
[FR Doc. 2013-05246 Filed 3-5-13; 8:45 am]
BILLING CODE 6560-50-P
