Clothianidin; Pesticide Tolerances, 64772-64777 [2019-25535]
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REFRIGERATION AND AIR CONDITIONING—Continued
End-use
Substitute
Decision
Further information 1
Refrigerated transport—refrigerated trucks and
trailers (new and retrofit
equipment).
R–453A ............
Acceptable ........
Retail food refrigeration—
refrigerated food processing and dispensing
equipment (new and retrofit equipment).
R–407H ............
Acceptable ........
Retail food refrigeration—
supermarket systems
(new and retrofit equipment).
R–407H ............
Acceptable ........
R–453A has a 100-year GWP of approximately 1,770. This substitute is a
blend of HFC–32, which is also known as difluoromethane (CAS Reg. No.
75–10–5); HFC–125, which is also known as 1,1,1,2,2-pentafluoroethane
(CAS Reg. No. 354–33–6); HFC–134a, which is also known as 1,1,1,2tetrafluoroethane (CAS Reg. No. 811–97–2); HFC–227ea, which is also
known as 1,1,1,2,3,3,3-heptafluoropropane (CAS Reg. No. 439–89–0); R–
600, which is also known as butane (CAS Reg. No. 75–28–5); and R–
601a, which is also known as isopentane (CAS Reg. No. 78–78–4).
The blend is nonflammable.
The AIHA has established WEELs of 1,000 ppm (8-hr TWA) for HFC–32,
HFC–125, HFC–134a, and HFC–227ea, and the American Conference of
Governmental Industrial Hygienists has established a Threshold Limit Value
(TLV) of 1,000 ppm for R–600 and a TLV of 600 ppm for R–601a, both as
an 8-hr TWA. The manufacturer recommends an AEL for the workplace for
R–453A of 1,000 ppm (8-hr TWA).
R–407H has a 100-year GWP of approximately 1,500. This substitute is a
blend of HFC–134a (CAS Reg. No.811–97–2); HFC–32 (CAS Reg. No.
75–10–5); and HFC–125 (CAS Reg. No. 354–33–6).
This blend is nonflammable.
The AIHA has established WEELs of 1,000 ppm (8-hr TWA) for HFC–134a,
HFC–32, and HFC–125. The manufacture recommends an AEL for the
workplace for R–407H of 1,000 ppm (8-hr TWA).
R–407H has a 100-year GWP of approximately 1,500. This substitute is a
blend of HFC–134a (CAS Reg. No.811–97–2); HFC–32 (CAS Reg. No.
75–10–5); and HFC–125 (CAS Reg. No. 354–33–6).
This blend is nonflammable.
The AIHA has established WEELs of 1,000 ppm (8-hr TWA) for HFC–134a,
HFC–32, and HFC–125. The manufacture recommends an AEL for the
workplace for R–407H of 1,000 ppm (8-hr TWA).
1 Observe
recommendations in the manufacturer’s SDS and guidance for all listed refrigerants.
[FR Doc. 2019–25412 Filed 11–22–19; 8:45 am]
BILLING CODE 6560–50–P
ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Part 180
[EPA–HQ–OPP–2008–0771; FRL–10000–64]
Clothianidin; Pesticide Tolerances
Environmental Protection
Agency (EPA).
ACTION: Final rule.
AGENCY:
This regulation establishes
tolerances for residues of clothianidin in
or on persimmon. Valent U.S.A., LLC,
requested these tolerances under the
Federal Food, Drug, and Cosmetic Act
(FFDCA).
SUMMARY:
This regulation is effective
November 25, 2019. Objections and
requests for hearings must be received
on or before January 24, 2020, and must
be filed in accordance with the
instructions provided in 40 CFR part
178 (see also Unit I.C. of the
SUPPLEMENTARY INFORMATION).
ADDRESSES: The docket for this action,
identified by docket identification (ID)
number EPA–HQ–OPP–2008–0771, is
available at https://www.regulations.gov
or at the Office of Pesticide Programs
DATES:
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Regulatory Public Docket (OPP Docket)
in the Environmental Protection Agency
Docket Center (EPA/DC), West William
Jefferson Clinton Bldg., Rm. 3334, 1301
Constitution Ave. NW, Washington, DC
20460–0001. 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 OPP
Docket is (703) 305–5805. Please review
the visitor instructions and additional
information about the docket available
at https://www.epa.gov/dockets.
FOR FURTHER INFORMATION CONTACT:
Michael Goodis, Registration Division
(7505P), Office of Pesticide Programs,
Environmental Protection Agency, 1200
Pennsylvania Ave. NW, Washington, DC
20460–0001; main telephone number:
(703) 305–7090; email address:
RDFRNotices@epa.gov.
SUPPLEMENTARY INFORMATION:
I. General Information
A. Does this action apply to me?
You may be potentially affected by
this action if you are an agricultural
producer, food manufacturer, or
pesticide manufacturer. The following
list of North American Industrial
Classification System (NAICS) codes is
not intended to be exhaustive, but rather
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provides a guide to help readers
determine whether this document
applies to them. Potentially affected
entities may include:
• Crop production (NAICS code 111).
• Animal production (NAICS code
112).
• Food manufacturing (NAICS code
311).
• Pesticide manufacturing (NAICS
code 32532).
B. How can I get electronic access to
other related information?
You may access a frequently updated
electronic version of EPA’s tolerance
regulations at 40 CFR part 180 through
the Government Publishing Office’s eCFR site at https://www.ecfr.gov/cgi-bin/
text-idx?&c=ecfr&tpl=/ecfrbrowse/
Title40/40tab_02.tpl.
C. How can I file an objection or hearing
request?
Under FFDCA section 408(g), 21
U.S.C. 346a, any person may file an
objection to any aspect of this regulation
and may also request a hearing on those
objections. You must file your objection
or request a hearing on this regulation
in accordance with the instructions
provided in 40 CFR part 178. To ensure
proper receipt by EPA, you must
identify docket ID number EPA–HQ–
OPP–2008–0771 in the subject line on
the first page of your submission. All
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objections and requests for a hearing
must be in writing, and must be
received by the Hearing Clerk on or
before January 24, 2020. Addresses for
mail and hand delivery of objections
and hearing requests are provided in 40
CFR 178.25(b).
In addition to filing an objection or
hearing request with the Hearing Clerk
as described in 40 CFR part 178, please
submit a copy of the filing (excluding
any Confidential Business Information
(CBI)) for inclusion in the public docket.
Information not marked confidential
pursuant to 40 CFR part 2 may be
disclosed publicly by EPA without prior
notice. Submit the non-CBI copy of your
objection or hearing request, identified
by docket ID number EPA–HQ–OPP–
2008–0771, by one of the following
methods:
• Federal eRulemaking Portal: https://
www.regulations.gov. Follow the online
instructions for submitting comments.
Do not submit electronically any
information you consider to be 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.html.
Additional instructions on
commenting or visiting the docket,
along with more information about
dockets generally, is available at https://
www.epa.gov/dockets.
comments were received for the Notice
of Filing.
II. Summary of Petitioned-For
Tolerance
A. Toxicological Profile
EPA has evaluated the available
toxicity data and considered its validity,
completeness, and reliability as well as
the relationship of the results of the
studies to human risk. EPA has also
considered available information
concerning the variability of the
sensitivities of major identifiable
subgroups of consumers, including
infants and children.
The toxicity database for clothianidin
is complete. In mammals, toxicological
effects are seen primarily in the liver,
hematopoietic system, and kidneys. In
subchronic oral studies, the dog seemed
to be more sensitive to clothianidin than
the rat. In addition to decreases in body
weight and body weight gains observed
in both animals, dogs also displayed
decreased white blood cells, albumin,
and total protein, as well as some
anemia. Long-term dietary
administration of clothianidin did not
result in a wider spectrum of effects in
In the Federal Register of June 7, 2019
(84 FR 26630) (FRL–9993–93), EPA
issued a document pursuant to FFDCA
section 408(d)(3), 21 U.S.C. 346a(d)(3),
announcing the filing of a pesticide
petition (PP 8E8672) by Valent U.S.A.,
LLC, P.O. Box 8025, Walnut Creek, CA
94596. The petition requested that 40
CFR part 180 be amended by
establishing tolerances for residues of
the insecticide clothianidin (E)-N-[(2Chloro-5-thiazolyl)methyl]-N′-methylN″-nitroguanidine in or on persimmon
at 0.5 parts per million (ppm). As use of
clothianidin has not been approved for
domestic pesticide registrations, this
tolerance is requested to cover residues
of clothianidin in or on persimmon
imported into the United States. That
document referenced a summary of the
petition prepared by Valent U.S.A., LLC,
the registrant, which is available in the
docket, https://www.regulations.gov. No
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III. Aggregate Risk Assessment and
Determination of Safety
Section 408(b)(2)(A)(i) of FFDCA
allows EPA to establish a tolerance (the
legal limit for a pesticide chemical
residue in or on a food) only if EPA
determines that the tolerance is ‘‘safe.’’
Section 408(b)(2)(A)(ii) of FFDCA
defines ‘‘safe’’ to mean that ‘‘there is a
reasonable certainty that no harm will
result from aggregate exposure to the
pesticide chemical residue, including
all anticipated dietary exposures and all
other exposures for which there is
reliable information.’’ This includes
exposure through drinking water and in
residential settings, but does not include
occupational exposure. Section
408(b)(2)(C) of FFDCA requires EPA to
give special consideration to exposure
of infants and children to the pesticide
chemical residue in establishing a
tolerance and to ‘‘ensure that there is a
reasonable certainty that no harm will
result to infants and children from
aggregate exposure to the pesticide
chemical residue. . . .’’
Consistent with FFDCA section
408(b)(2)(D), and the factors specified in
FFDCA section 408(b)(2)(D), EPA has
reviewed the available scientific data
and other relevant information in
support of this action. EPA has
sufficient data to assess the hazards of
and to make a determination on
aggregate exposure for clothianidin
including exposure resulting from the
tolerances established by this action.
EPA’s assessment of exposures and risks
associated with clothianidin follows.
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the dog; in contrast, the chronic feeding
studies in rats showed additional effects
in the liver, ovaries, and kidneys. In the
mouse chronic oral study, increases in
vocalization and decreases in body
weight gain were noted.
Neurotoxicity was observed in acute
neurotoxicity studies in the rat and
mouse and in the developmental
neurotoxicity study in rats but was not
observed in the subchronic
neurotoxicity study or any other study
in the toxicity database. No increased
quantitative or qualitative susceptibility
was observed in the developmental rat
or rabbit studies. However, there was an
increase in quantitative susceptibility in
the developmental neurotoxicity and
reproductive toxicity studies; offspring
effects were observed in the absence of
maternal toxicity. There was evidence of
possible effects on the immune system
in the database; however, a
developmental immunotoxicity study
indicated no evidence of susceptibility
with regard to immunotoxicity. No toxic
effects were observed up to the limit
dose in the 28-day dermal study in rats.
Clothianidin is not carcinogenic or
mutagenic.
A summary of the toxicological effects
of clothianidin, the specific information
on the studies received, the nature of
the adverse effects caused by
clothianidin, and the NOAEL and
lowest-observed-adverse-effect-level
(LOAEL) from the toxicity studies can
be found in docket ID number EPA–
HQ–OPP–2011–0865 under Draft
Human Health Risk Assessment in
Support of Registration Review.
B. Toxicological Points of Departure/
Levels of Concern
Once a pesticide’s toxicological
profile is determined, EPA identifies
toxicological points of departure (POD)
and levels of concern to use in
evaluating the risk posed by human
exposure to the pesticide. For hazards
that have a threshold below which there
is no appreciable risk, the toxicological
POD is used as the basis for derivation
of reference values for risk assessment.
PODs are developed based on a careful
analysis of the doses in each
toxicological study to determine the
dose at which no adverse effects are
observed (the NOAEL) and the lowest
dose at which adverse effects of concern
are identified (the LOAEL). Uncertainty/
safety factors are used in conjunction
with the POD to calculate a safe
exposure level—generally referred to as
a population-adjusted dose (PAD) or a
reference dose (RfD)—and a safe margin
of exposure (MOE). For non-threshold
risks, the Agency assumes that any
amount of exposure will lead to some
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degree of risk. Thus, the Agency
estimates risk in terms of the probability
of an occurrence of the adverse effect
expected in a lifetime. For more
information on the general principles
EPA uses in risk characterization and a
complete description of the risk
assessment process, see https://
www2.epa.gov/pesticide-science-andassessing-pesticide-risks/assessinghuman-health-risk-pesticides.
A summary of the toxicological
endpoints for clothianidin used for
human risk assessment can be found in
docket ID number EPA–HQ–OPP–2011–
0865 under Draft Human Health Risk
Assessment in Support of Registration
Review.
C. Exposure Assessment
1. Dietary exposure from food and
feed uses. In evaluating dietary
exposure to clothianidin, EPA
considered exposure under the
petitioned-for tolerances as well as all
existing clothianidin tolerances in 40
CFR 180.586. EPA assessed dietary
exposures from clothianidin in food as
follows:
i. Acute exposure. Quantitative acute
dietary exposure and risk assessments
are performed for a food-use pesticide,
if a toxicological study has indicated the
possibility of an effect of concern
occurring as a result of a 1-day or single
exposure.
Such effects were identified for
clothianidin. In estimating acute dietary
exposure, EPA used food consumption
information from the 2003–2008 United
States Department of Agriculture
(USDA) National Health and Nutrition
Examination Survey, What We Eat in
America (NHANES/WWEIA). As to
residue levels in food, EPA assumed 100
percent crop treated and tolerance-level
residues for all commodities with
established or proposed tolerances for
clothianidin.
ii. Chronic exposure. In conducting
the chronic dietary exposure
assessment, EPA used the food
consumption data from the USDA’s
2003–2008 NHANES/WWEIA. As to
residue levels in food, EPA assumed 100
percent crop treated and average
residues from crop field trials for all
commodities with established or
proposed tolerances for clothianidin.
iii. Cancer. Based on the data
summarized in Unit III.A., EPA has
concluded that clothianidin does not
pose a cancer risk to humans. Therefore,
a dietary exposure assessment for the
purpose of assessing cancer risk is
unnecessary.
iv. Anticipated residue and percent
crop treated (PCT) information. EPA did
not use PCT estimates in the dietary
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assessment for clothianidin. 100% CT
were assumed for all food commodities.
Average residue levels from field-trial
were used in the chronic dietary
assessment.
Section 408(b)(2)(E) of FFDCA
authorizes EPA to use available data and
information on the anticipated residue
levels of pesticide residues in food and
the actual levels of pesticide residues
that have been measured in food. If EPA
relies on such information, EPA must
require pursuant to FFDCA section
408(f)(1) that data be provided 5 years
after the tolerance is established,
modified, or left in effect, demonstrating
that the levels in food are not above the
levels anticipated. For the present
action, EPA will issue such data call-ins
as are required by FFDCA section
408(b)(2)(E) and authorized under
FFDCA section 408(f)(1). Data will be
required to be submitted no later than
5 years from the date of issuance of
these tolerances.
2. Dietary exposure from drinking
water. The Agency used screening-level
water exposure models in the dietary
exposure analysis and risk assessment
for clothianidin in drinking water.
These simulation models take into
account data on the physical, chemical,
and fate/transport characteristics of
clothianidin. Further information
regarding EPA drinking water models
used in pesticide exposure assessment
can be found at https://www2.epa.gov/
pesticide-science-and-assessingpesticide-risks/about-water-exposuremodels-used-pesticide.
Based on the Tier I Pesticide Root
Zone Model—Ground Water (PRZM–
GW) and Tier I Screening Concentration
in Ground Water (SCI–GROW) models
and the Tier II surface water
concentration calculator (SWCC)
computer model, the estimated drinking
water concentrations (EDWCs) of
clothianidin for acute exposures are
estimated to be 67 parts per billion
(ppb) for surface water and 180 ppb for
ground water, and for chronic exposures
are estimated to be 67 ppb for surface
water and 139 ppb for ground water.
Modeled estimates of drinking water
concentrations were directly entered
into the dietary exposure model. For the
acute dietary risk assessment, the water
concentration value of 180 ppb was
used to assess the contribution to
drinking water. For the chronic dietary
risk assessment, the water concentration
value of 139 ppb was used to assess the
contribution to drinking water.
3. From non-dietary exposure. The
term ‘‘residential exposure’’ is used in
this document to refer to nonoccupational, non-dietary exposure
(e.g., for lawn and garden pest control,
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indoor pest control, termiticides, and
flea and tick control on pets).
Clothianidin is currently registered
for the following uses that could result
in residential exposures: Turf,
ornamental plants, interior plantscapes,
and use in residential and commercial
buildings. EPA assessed residential
exposure using the following
assumptions: For adults, combined
dermal/inhalation exposure from
application of pesticides via an aerosol
can in indoor environments; for
children 1 to <2 years old, the combined
dermal/inhalation/incidental oral (i.e.,
oral hand-to-mouth) exposures from
post-application exposure to indoorsurface directed/perimeter/mattress (bed
bug application); for children 6 to <11
years old, dermal exposures from postapplication exposure to treated gardens;
and for children 11 to <16 years old,
dermal exposure from post-application
exposure to treated turf while golfing.
Further information regarding EPA
standard assumptions and generic
inputs for residential exposures may be
found at https://www2.epa.gov/pesticidescience-and-assessing-pesticide-risks/
standard-operating-proceduresresidential-pesticide.
4. Cumulative effects from substances
with a common mechanism of toxicity.
Section 408(b)(2)(D)(v) of FFDCA
requires that, when considering whether
to establish, modify, or revoke a
tolerance, the Agency consider
‘‘available information’’ concerning the
cumulative effects of a particular
pesticide’s residues and ‘‘other
substances that have a common
mechanism of toxicity.’’
Clothianidin is a member of the
neonicotinoid class of pesticides and is
a metabolite of another neonicotinoid,
thiamethoxam. Structural similarities or
common effects do not constitute a
common mechanism of toxicity.
Evidence is needed to establish that the
chemicals operate by the same, or
essentially the same sequence of major
biochemical events. Although
clothianidin and thiamethoxam bind
selectively to insect nicotinic
acetylcholine receptors (nAChR), the
specific binding site(s)/receptor(s) for
clothianidin, thiamethoxam, and the
other neonicotinoids are unknown at
this time. Additionally, the
commonality of the binding activity
itself is uncertain, as preliminary
evidence suggests that clothianidin
operates by direct competitive
inhibition, while thiamethoxam is a
non-competitive inhibitor. Furthermore,
even if future research shows that
neonicotinoids share a common binding
activity to a specific site on insect
nAChRs, there is not necessarily a
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relationship between this pesticidal
action and a mechanism of toxicity in
mammals. Structural variations between
the insect and mammalian nAChRs
produce quantitative differences in the
binding affinity of the neonicotinoids
towards these receptors, which, in turn,
confers the notably greater selective
toxicity of this class towards insects,
including aphids and leafhoppers,
compared to mammals. While the
insecticidal action of the neonicotinoids
is neurotoxic, the most sensitive
regulatory endpoint for clothianidin is
based on unrelated effects in mammals,
including changes in body and thymus
weights, delays in sexual maturation,
and still births. Additionally, the most
sensitive toxicological effect in
mammals differs across the
neonicotinoids (such as testicular
tubular atrophy with thiamethoxam,
and mineralized particles in thyroid
colloid with imidaclopid). Thus, there is
currently no evidence to indicate that
neonicotinoids share common
mechanisms of toxicity, and EPA is not
following a cumulative risk approach
based on a common mechanism of
toxicity for the neonicotinoids. For
information regarding EPA’s efforts to
determine which chemicals have a
common mechanism of toxicity and to
evaluate the cumulative effects of such
chemicals, see the policy statements
concerning common mechanism
determinations and procedures for
cumulating effects from substances
found to have a common mechanism
released by OPP on EPA’s website at
https://www.epa.gov/pesticides/
cumulative/.
D. Safety Factor for Infants and
Children
1. In general. Section 408(b)(2)(C) of
FFDCA provides that EPA shall apply
an additional tenfold (10X) margin of
safety for infants and children in the
case of threshold effects to account for
prenatal and postnatal toxicity and the
completeness of the database on toxicity
and exposure unless EPA determines
based on reliable data that a different
margin of safety will be safe for infants
and children. This additional margin of
safety is commonly referred to as the
FQPA Safety Factor (SF). In applying
this provision, EPA either retains the
default value of 10X, or uses a different
additional safety factor when reliable
data available to EPA support the choice
of a different factor.
2. Prenatal and postnatal sensitivity.
There is no indication of increased
quantitative or qualitative susceptibility,
as compared to adults, of rat and rabbit
fetuses following in utero exposure to
clothianidin in developmental studies.
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However, increased quantitative
susceptibility was observed in both the
developmental neurotoxicity and rat
multi-generation reproduction studies.
In the developmental neurotoxicity
study, offspring toxicity (decreased
body weight gains, motor activity and
acoustic startle response) was seen at a
lower dose than that which caused
maternal toxicity. In the 2-generation rat
reproduction study, offspring toxicity
(decreased body weight gains, delayed
sexual maturation in males, decreased
absolute thymus weights in F1 pups of
both sexes and an increase in stillbirths
in both generations) was seen at a dose
lower than that which caused parental
toxicity.
3. Conclusion. The EPA has
determined that the safety of infants and
children would be adequately protected
if the FQPA SF were reduced to 1X.
That decision is based on the following
findings:
i. The toxicity database for
clothianidin is complete.
ii. There are no residual concerns
regarding potential pre- and post-natal
toxicity in the young. A rat
developmental neurotoxicity study is
available and shows evidence of
increased quantitative susceptibility of
offspring. However, EPA considers the
degree of concern for the developmental
neurotoxicity study to be low for preand postnatal toxicity because the
NOAEL and LOAEL were well
characterized, and the doses and
endpoints selected for risk assessment
are protective of the observed
susceptibility.
iii. As explained in Unit III.D.2
‘‘Prenatal and postnatal sensitivity’’,
while the rat multi-generation
reproduction study showed evidence of
increased quantitative susceptibility of
offspring compared to adults, the degree
of concern is low because the study
NOAEL has been selected as the POD
for risk assessment purposes for relevant
exposure routes and durations. In
addition, the potential immunotoxic
effects observed in the study have been
further characterized with the
submission of a developmental
immunotoxicity study that showed no
evidence of susceptibility. As a result,
there are no concerns or residual
uncertainties for pre- and postnatal
toxicity after establishing toxicity
endpoints and traditional UFs to be
used in the risk assessment for
clothianidin.
iv. There are no residual uncertainties
identified in the exposure databases.
The dietary food exposure assessments
assumed 100 PCT and tolerance-level
residues (acute assessment) or average
residues from field trials designed to
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64775
produce high-end residue levels
(chronic assessment). EPA made
conservative (protective) assumptions in
the ground and surface water modeling
used to assess exposure to clothianidin
in drinking water. EPA used similarly
conservative assumptions to assess postapplication exposure of children. These
assessments will not underestimate the
exposure and risks posed by
clothianidin.
E. Aggregate Risks and Determination of
Safety
EPA determines whether acute and
chronic dietary pesticide exposures are
safe by comparing aggregate exposure
estimates to the acute PAD (aPAD) and
chronic PAD (cPAD). For linear cancer
risks, EPA calculates the lifetime
probability of acquiring cancer given the
estimated aggregate exposure. Short-,
intermediate-, and chronic-term risks
are evaluated by comparing the
estimated aggregate food, water, and
residential exposure to the appropriate
PODs to ensure that an adequate MOE
exists.
1. Acute risk. Using the exposure
assumptions discussed in this unit for
acute exposure, the acute dietary
exposure from food and water to
clothianidin will occupy 18% of the
aPAD for all infants (<1 year old), the
population group receiving the greatest
exposure.
2. Chronic risk. Using the exposure
assumptions described in this unit for
chronic exposure, EPA has concluded
that chronic exposure to clothianidin
from food and water will utilize 9.0% of
the cPAD for all infants (<1 year old),
the population group receiving the
greatest exposure. Based on the
explanation in Unit III.C.3., regarding
residential use patterns, chronic
residential exposure to residues of
clothianidin is not expected.
3. Short-term risk. Short-term
aggregate exposure takes into account
short-term residential exposure plus
chronic exposure to food and water
(considered to be a background
exposure level).
Clothianidin is currently registered
for uses that could result in short-term
residential exposure, and the Agency
has determined that it is appropriate to
aggregate chronic exposure through food
and water with short-term residential
exposures to clothianidin.
Using the exposure assumptions
described in this unit for short-term
exposures, EPA has concluded the
combined short-term food, water, and
residential exposures result in aggregate
MOEs of 390 for adults and 150
children. Because EPA’s level of
concern for clothianidin is an MOE of
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100 or below, these MOEs are not of
concern.
4. Intermediate-term risk.
Intermediate-term aggregate exposure
takes into account intermediate-term
residential exposure plus chronic
exposure to food and water (considered
to be a background exposure level).
Clothianidin is currently registered
for uses that could result in
intermediate-term residential exposure,
and the Agency has determined that it
is appropriate to aggregate chronic
exposure through food and water with
short-term residential exposures to
clothianidin. The short-term assessment
is protective of any potential
intermediate-term exposures.
5. Aggregate cancer risk for U.S.
population. Based on the lack of
evidence of carcinogenicity in two
adequate rodent carcinogenicity studies,
clothianidin is not expected to pose a
cancer risk to humans.
6. Determination of safety. Based on
these risk assessments, EPA concludes
that there is a reasonable certainty that
no harm will result to the general
population, or to infants and children
from aggregate exposure to clothianidin
residues.
IV. Other Considerations
A. Analytical Enforcement Methodology
Adequate enforcement methods based
on solvent extraction and liquid
chromatography with tandem mass
spectrometry separation, identification,
and quantification, are available for
plant (Morse Method #Meth-164—
modified, RM–39C–1, or Bayer Method
00552) and livestock (Bayer Method
00624) matrices.
The method may be requested from:
Chief, Analytical Chemistry Branch,
Environmental Science Center, 701
Mapes Rd., Ft. Meade, MD 20755–5350;
telephone number: (410) 305–2905;
email address: residuemethods@
epa.gov.
B. International Residue Limits
In making its tolerance decisions, EPA
seeks to harmonize U.S. tolerances with
international standards whenever
possible, consistent with U.S. food
safety standards and agricultural
practices. EPA considers the
international maximum residue limits
(MRLs) established by the Codex
Alimentarius Commission (Codex), as
required by FFDCA section 408(b)(4).
The Codex Alimentarius is a joint
United Nations Food and Agriculture
Organization/World Health
Organization food standards program,
and it is recognized as an international
food safety standards-setting
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organization in trade agreements to
which the United States is a party. EPA
may establish a tolerance that is
different from a Codex MRL; however,
FFDCA section 408(b)(4) requires that
EPA explain the reasons for departing
from the Codex level.
Codex has established an MRL for
residues of clothianidin in persimmon
at 0.4 ppm. EPA is establishing the
tolerance at 0.5 ppm at the request of
the petitioner, to harmonize with the
higher Japanese MRL. EPA believes the
higher tolerance will facilitate more
trade rather than the lower Codex MRL.
The higher tolerance is greater than the
highest value observed in field trials
and is expected to be a suitable
enforcement limit for residues in
imported persimmon.
V. Conclusion
Therefore, a tolerance is established
for residues of clothianidin in or on
persimmon at 0.5 ppm.
VI. Statutory and Executive Order
Reviews
This action establishes a tolerance
under FFDCA section 408(d) in
response to a petition submitted to the
Agency. The Office of Management and
Budget (OMB) has exempted these types
of actions from review under Executive
Order 12866, entitled ‘‘Regulatory
Planning and Review’’ (58 FR 51735,
October 4, 1993). Because this action
has been exempted from review under
Executive Order 12866, this action is
not subject to Executive Order 13211,
entitled ‘‘Actions Concerning
Regulations That Significantly Affect
Energy Supply, Distribution, or Use’’ (66
FR 28355, May 22, 2001) or Executive
Order 13045, entitled ‘‘Protection of
Children from Environmental Health
Risks and Safety Risks’’ (62 FR 19885,
April 23, 1997), nor is it considered a
regulatory action under Executive Order
13771, entitled ‘‘Reducing Regulations
and Controlling Regulatory Costs’’ (82
FR 9339, February 3, 2017). This action
does not contain any information
collections subject to OMB approval
under the Paperwork Reduction Act
(PRA) (44 U.S.C. 3501 et seq.), nor does
it require any special considerations
under Executive Order 12898, entitled
‘‘Federal Actions to Address
Environmental Justice in Minority
Populations and Low-Income
Populations’’ (59 FR 7629, February 16,
1994).
Since tolerances and exemptions that
are established on the basis of a petition
under FFDCA section 408(d), such as
the tolerance in this final rule, do not
require the issuance of a proposed rule,
the requirements of the Regulatory
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Fmt 4700
Sfmt 4700
Flexibility Act (RFA) (5 U.S.C. 601 et
seq.), do not apply.
This action directly regulates growers,
food processors, food handlers, and food
retailers, not States or tribes, nor does
this action alter the relationships or
distribution of power and
responsibilities established by Congress
in the preemption provisions of FFDCA
section 408(n)(4). As such, the Agency
has determined that this action will not
have a substantial direct effect on States
or tribal governments, on the
relationship between the national
government and the States or tribal
governments, or on the distribution of
power and responsibilities among the
various levels of government or between
the Federal Government and Indian
tribes. Thus, the Agency has determined
that Executive Order 13132, entitled
‘‘Federalism’’ (64 FR 43255, August 10,
1999) and Executive Order 13175,
entitled ‘‘Consultation and Coordination
with Indian Tribal Governments’’ (65 FR
67249, November 9, 2000) do not apply
to this action. In addition, this action
does not impose any enforceable duty or
contain any unfunded mandate as
described under Title II of the Unfunded
Mandates Reform Act (UMRA) (2 U.S.C.
1501 et seq.).
This action does not involve any
technical standards that would require
Agency consideration of voluntary
consensus standards pursuant to section
12(d) of the National Technology
Transfer and Advancement Act
(NTTAA) (15 U.S.C. 272 note).
VII. Congressional Review Act
Pursuant to the Congressional Review
Act (5 U.S.C. 801 et seq.), EPA will
submit a report containing this rule and
other required information to the U.S.
Senate, the U.S. House of
Representatives, and the Comptroller
General of the United States prior to
publication of the rule in the Federal
Register. This action is not a ‘‘major
rule’’ as defined by 5 U.S.C. 804(2).
List of Subjects in 40 CFR Part 180
Environmental protection,
Administrative practice and procedure,
Agricultural commodities, Pesticides
and pests, Reporting and recordkeeping
requirements.
Dated: October 30, 2019.
Michael Goodis,
Director, Registration Division, Office of
Pesticide Programs.
Therefore, 40 CFR chapter I is
amended as follows:
PART 180—[AMENDED]
1. The authority citation for part 180
continues to read as follows:
■
E:\FR\FM\25NOR1.SGM
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Federal Register / Vol. 84, No. 227 / Monday, November 25, 2019 / Rules and Regulations
Authority: 21 U.S.C. 321(q), 346a and 371.
2. In § 180.586, add alphabetically the
entry ‘‘Persimmon 1’’ to the table in
paragraph (a)(1) to read as follows:
■
§ 180.586 Clothianidin; tolerances for
residues.
(a) * * *
(1) * * *
Parts per
million
Commodity
*
*
*
*
Persimmon 1 ................................
*
*
*
*
*
*
*
*
I. General Information
*
0.5
*
*
[FR Doc. 2019–25535 Filed 11–22–19; 8:45 am]
BILLING CODE 6560–50–P
ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Part 180
[EPA–HQ–OPP–2018–0636; FRL–9996–61]
Cyflumetofen; Pesticide Tolerances
Environmental Protection
Agency (EPA).
ACTION: Final rule.
AGENCY:
This regulation establishes a
tolerance for residues of the insecticide
cyflumetofen in or on coffee, green
bean. OAT Agrio. Ltd., Tokyo, Japan c/
o Landis International, Inc. requested
this tolerance under the Federal Food,
Drug, and Cosmetic Act (FFDCA).
DATES: This regulation is effective
November 25, 2019. Objections and
requests for hearings must be received
on or before January 24, 2020 and must
be filed in accordance with the
instructions provided in 40 CFR part
178 (see also Unit I.C. of the
SUPPLEMENTARY INFORMATION).
ADDRESSES: The docket for this action,
identified by docket identification (ID)
number EPA–HQ–OPP–2018–0636, is
available at https://www.regulations.gov
or at the Office of Pesticide Programs
Regulatory Public Docket (OPP Docket)
in the Environmental Protection Agency
Docket Center (EPA/DC), West William
Jefferson Clinton Bldg., Rm. 3334, 1301
Constitution Ave. NW, Washington, DC
20460–0001. 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 OPP
Docket is (703) 305–5805. Please review
the visitor instructions and additional
SUMMARY:
VerDate Sep<11>2014
15:57 Nov 22, 2019
Jkt 250001
information about the docket available
at https://www.epa.gov/dockets.
FOR FURTHER INFORMATION CONTACT:
Michael L. Goodis, P.E., Director,
Registration Division (750P), Office of
Pesticide Programs, Environmental
Protection Agency, 1200 Pennsylvania
Ave. NW, Washington, DC 20460–0001;
main telephone number: (703) 305–
7090; email address: RDFRNotices@
epa.gov.
SUPPLEMENTARY INFORMATION:
A. Does this action apply to me?
You may be potentially affected by
this action if you are an agricultural
producer, food manufacturer, or
pesticide manufacturer. The following
list of North American Industrial
Classification System (NAICS) codes is
not intended to be exhaustive, but rather
provides a guide to help readers
determine whether this document
applies to them. Potentially affected
entities may include:
• Crop production (NAICS code 111).
• Animal production (NAICS code
112).
• Food manufacturing (NAICS code
311).
• Pesticide manufacturing (NAICS
code 32532).
B. How can I get electronic access to
other related information?
You may access a frequently updated
electronic version of EPA’s tolerance
regulations at 40 CFR part 180 through
the Government Publishing Office’s eCFR site at https://www.ecfr.gov/cgi-bin/
text-idx?&c=ecfr&tpl=/ecfrbrowse/
Title40/40tab_02.tpl.
C. How can I file an objection or hearing
request?
Under FFDCA section 408(g), 21
U.S.C. 346a, any person may file an
objection to any aspect of this regulation
and may also request a hearing on those
objections. You must file your objection
or request a hearing on this regulation
in accordance with the instructions
provided in 40 CFR part 178. To ensure
proper receipt by EPA, you must
identify docket ID number EPA–HQ–
OPP–2018–0636 in the subject line on
the first page of your submission. All
objections and requests for a hearing
must be in writing and must be received
by the Hearing Clerk on or before
January 24, 2020. Addresses for mail
and hand delivery of objections and
hearing requests are provided in 40 CFR
178.25(b).
In addition to filing an objection or
hearing request with the Hearing Clerk
as described in 40 CFR part 178, please
PO 00000
Frm 00075
Fmt 4700
Sfmt 4700
64777
submit a copy of the filing (excluding
any Confidential Business Information
(CBI)) for inclusion in the public docket.
Information not marked confidential
pursuant to 40 CFR part 2 may be
disclosed publicly by EPA without prior
notice. Submit the non-CBI copy of your
objection or hearing request, identified
by docket ID number EPA–HQ–OPP–
2018–0636, by one of the following
methods:
• Federal eRulemaking Portal: https://
www.regulations.gov. Follow the online
instructions for submitting comments.
Do not submit electronically any
information you consider to be 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.html.
Additional instructions on commenting
or visiting the docket, along with more
information about dockets generally, is
available at https://www.epa.gov/
dockets.
II. Summary of Petitioned-For
Tolerance
In the Federal Register of October 24,
2018 (83 FR 53594) (FRL–9983–46),
EPA issued a document pursuant to
FFDCA section 408(d)(3), 21 U.S.C.
346a(d)(3), announcing the filing of a
pesticide petition (PP 8E8693) by OAT
Agrio. Ltd., Tokyo, Japan, c/o Landis
International, Inc., 3185 Madison
Highway, P.O. Box 5126, Valdosta,
Georgia 31603–5126. The petition
requested that 40 CFR 180.677 be
amended by establishing a tolerance for
residues of the insecticide cyflumetofen,
(2-methoxyethyl a-cyano-a-[4-(1,1dimethylethyl)phenyl]-b-oxo-2(trifluoromethyl)benzenepropanoate), in
or on coffee, green bean at 0.08 parts per
million (ppm). That document
referenced a summary of the petition
prepared by OAT Agrio. Ltd. c/o Landis
International, Inc., the registrant, which
is available in docket number EPA–HQ–
OPP–2018–0636, https://
www.regulations.gov. These tolerances
were requested to cover residues of
cyflumetofen in or on coffee, green bean
resulting from use of this pesticide on
coffee outside the United States. There
is no current U.S. registration for use of
cyflumetofen on coffee. There were no
substantive comments received in
response to the notice of filing for this
pesticide petition.
E:\FR\FM\25NOR1.SGM
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Agencies
[Federal Register Volume 84, Number 227 (Monday, November 25, 2019)]
[Rules and Regulations]
[Pages 64772-64777]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2019-25535]
-----------------------------------------------------------------------
ENVIRONMENTAL PROTECTION AGENCY
40 CFR Part 180
[EPA-HQ-OPP-2008-0771; FRL-10000-64]
Clothianidin; Pesticide Tolerances
AGENCY: Environmental Protection Agency (EPA).
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: This regulation establishes tolerances for residues of
clothianidin in or on persimmon. Valent U.S.A., LLC, requested these
tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).
DATES: This regulation is effective November 25, 2019. Objections and
requests for hearings must be received on or before January 24, 2020,
and must be filed in accordance with the instructions provided in 40
CFR part 178 (see also Unit I.C. of the SUPPLEMENTARY INFORMATION).
ADDRESSES: The docket for this action, identified by docket
identification (ID) number EPA-HQ-OPP-2008-0771, is available at https://www.regulations.gov or at the Office of Pesticide Programs Regulatory
Public Docket (OPP Docket) in the Environmental Protection Agency
Docket Center (EPA/DC), West William Jefferson Clinton Bldg., Rm. 3334,
1301 Constitution Ave. NW, Washington, DC 20460-0001. 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 OPP
Docket is (703) 305-5805. Please review the visitor instructions and
additional information about the docket available at https://www.epa.gov/dockets.
FOR FURTHER INFORMATION CONTACT: Michael Goodis, Registration Division
(7505P), Office of Pesticide Programs, Environmental Protection Agency,
1200 Pennsylvania Ave. NW, Washington, DC 20460-0001; main telephone
number: (703) 305-7090; email address: [email protected].
SUPPLEMENTARY INFORMATION:
I. General Information
A. Does this action apply to me?
You may be potentially affected by this action if you are an
agricultural producer, food manufacturer, or pesticide manufacturer.
The following list of North American Industrial Classification System
(NAICS) codes is not intended to be exhaustive, but rather provides a
guide to help readers determine whether this document applies to them.
Potentially affected entities may include:
Crop production (NAICS code 111).
Animal production (NAICS code 112).
Food manufacturing (NAICS code 311).
Pesticide manufacturing (NAICS code 32532).
B. How can I get electronic access to other related information?
You may access a frequently updated electronic version of EPA's
tolerance regulations at 40 CFR part 180 through the Government
Publishing Office's e-CFR site at https://www.ecfr.gov/cgi-bin/text-idx?&c=ecfr&tpl=/ecfrbrowse/Title40/40tab_02.tpl.
C. How can I file an objection or hearing request?
Under FFDCA section 408(g), 21 U.S.C. 346a, any person may file an
objection to any aspect of this regulation and may also request a
hearing on those objections. You must file your objection or request a
hearing on this regulation in accordance with the instructions provided
in 40 CFR part 178. To ensure proper receipt by EPA, you must identify
docket ID number EPA-HQ-OPP-2008-0771 in the subject line on the first
page of your submission. All
[[Page 64773]]
objections and requests for a hearing must be in writing, and must be
received by the Hearing Clerk on or before January 24, 2020. Addresses
for mail and hand delivery of objections and hearing requests are
provided in 40 CFR 178.25(b).
In addition to filing an objection or hearing request with the
Hearing Clerk as described in 40 CFR part 178, please submit a copy of
the filing (excluding any Confidential Business Information (CBI)) for
inclusion in the public docket. Information not marked confidential
pursuant to 40 CFR part 2 may be disclosed publicly by EPA without
prior notice. Submit the non-CBI copy of your objection or hearing
request, identified by docket ID number EPA-HQ-OPP-2008-0771, by one of
the following methods:
Federal eRulemaking Portal: https://www.regulations.gov.
Follow the online instructions for submitting comments. Do not submit
electronically any information you consider to be 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.html.
Additional instructions on commenting or visiting the docket, along
with more information about dockets generally, is available at https://www.epa.gov/dockets.
II. Summary of Petitioned-For Tolerance
In the Federal Register of June 7, 2019 (84 FR 26630) (FRL-9993-
93), EPA issued a document pursuant to FFDCA section 408(d)(3), 21
U.S.C. 346a(d)(3), announcing the filing of a pesticide petition (PP
8E8672) by Valent U.S.A., LLC, P.O. Box 8025, Walnut Creek, CA 94596.
The petition requested that 40 CFR part 180 be amended by establishing
tolerances for residues of the insecticide clothianidin (E)-N-[(2-
Chloro-5-thiazolyl)methyl]-N'-methyl-N''-nitroguanidine in or on
persimmon at 0.5 parts per million (ppm). As use of clothianidin has
not been approved for domestic pesticide registrations, this tolerance
is requested to cover residues of clothianidin in or on persimmon
imported into the United States. That document referenced a summary of
the petition prepared by Valent U.S.A., LLC, the registrant, which is
available in the docket, https://www.regulations.gov. No comments were
received for the Notice of Filing.
III. Aggregate Risk Assessment and Determination of Safety
Section 408(b)(2)(A)(i) of FFDCA allows EPA to establish a
tolerance (the legal limit for a pesticide chemical residue in or on a
food) only if EPA determines that the tolerance is ``safe.'' Section
408(b)(2)(A)(ii) of FFDCA defines ``safe'' to mean that ``there is a
reasonable certainty that no harm will result from aggregate exposure
to the pesticide chemical residue, including all anticipated dietary
exposures and all other exposures for which there is reliable
information.'' This includes exposure through drinking water and in
residential settings, but does not include occupational exposure.
Section 408(b)(2)(C) of FFDCA requires EPA to give special
consideration to exposure of infants and children to the pesticide
chemical residue in establishing a tolerance and to ``ensure that there
is a reasonable certainty that no harm will result to infants and
children from aggregate exposure to the pesticide chemical residue. . .
.''
Consistent with FFDCA section 408(b)(2)(D), and the factors
specified in FFDCA section 408(b)(2)(D), EPA has reviewed the available
scientific data and other relevant information in support of this
action. EPA has sufficient data to assess the hazards of and to make a
determination on aggregate exposure for clothianidin including exposure
resulting from the tolerances established by this action. EPA's
assessment of exposures and risks associated with clothianidin follows.
A. Toxicological Profile
EPA has evaluated the available toxicity data and considered its
validity, completeness, and reliability as well as the relationship of
the results of the studies to human risk. EPA has also considered
available information concerning the variability of the sensitivities
of major identifiable subgroups of consumers, including infants and
children.
The toxicity database for clothianidin is complete. In mammals,
toxicological effects are seen primarily in the liver, hematopoietic
system, and kidneys. In subchronic oral studies, the dog seemed to be
more sensitive to clothianidin than the rat. In addition to decreases
in body weight and body weight gains observed in both animals, dogs
also displayed decreased white blood cells, albumin, and total protein,
as well as some anemia. Long-term dietary administration of
clothianidin did not result in a wider spectrum of effects in the dog;
in contrast, the chronic feeding studies in rats showed additional
effects in the liver, ovaries, and kidneys. In the mouse chronic oral
study, increases in vocalization and decreases in body weight gain were
noted.
Neurotoxicity was observed in acute neurotoxicity studies in the
rat and mouse and in the developmental neurotoxicity study in rats but
was not observed in the subchronic neurotoxicity study or any other
study in the toxicity database. No increased quantitative or
qualitative susceptibility was observed in the developmental rat or
rabbit studies. However, there was an increase in quantitative
susceptibility in the developmental neurotoxicity and reproductive
toxicity studies; offspring effects were observed in the absence of
maternal toxicity. There was evidence of possible effects on the immune
system in the database; however, a developmental immunotoxicity study
indicated no evidence of susceptibility with regard to immunotoxicity.
No toxic effects were observed up to the limit dose in the 28-day
dermal study in rats. Clothianidin is not carcinogenic or mutagenic.
A summary of the toxicological effects of clothianidin, the
specific information on the studies received, the nature of the adverse
effects caused by clothianidin, and the NOAEL and lowest-observed-
adverse-effect-level (LOAEL) from the toxicity studies can be found in
docket ID number EPA-HQ-OPP-2011-0865 under Draft Human Health Risk
Assessment in Support of Registration Review.
B. Toxicological Points of Departure/Levels of Concern
Once a pesticide's toxicological profile is determined, EPA
identifies toxicological points of departure (POD) and levels of
concern to use in evaluating the risk posed by human exposure to the
pesticide. For hazards that have a threshold below which there is no
appreciable risk, the toxicological POD is used as the basis for
derivation of reference values for risk assessment. PODs are developed
based on a careful analysis of the doses in each toxicological study to
determine the dose at which no adverse effects are observed (the NOAEL)
and the lowest dose at which adverse effects of concern are identified
(the LOAEL). Uncertainty/safety factors are used in conjunction with
the POD to calculate a safe exposure level--generally referred to as a
population-adjusted dose (PAD) or a reference dose (RfD)--and a safe
margin of exposure (MOE). For non-threshold risks, the Agency assumes
that any amount of exposure will lead to some
[[Page 64774]]
degree of risk. Thus, the Agency estimates risk in terms of the
probability of an occurrence of the adverse effect expected in a
lifetime. For more information on the general principles EPA uses in
risk characterization and a complete description of the risk assessment
process, see https://www2.epa.gov/pesticide-science-and-assessing-pesticide-risks/assessing-human-health-risk-pesticides.
A summary of the toxicological endpoints for clothianidin used for
human risk assessment can be found in docket ID number EPA-HQ-OPP-2011-
0865 under Draft Human Health Risk Assessment in Support of
Registration Review.
C. Exposure Assessment
1. Dietary exposure from food and feed uses. In evaluating dietary
exposure to clothianidin, EPA considered exposure under the petitioned-
for tolerances as well as all existing clothianidin tolerances in 40
CFR 180.586. EPA assessed dietary exposures from clothianidin in food
as follows:
i. Acute exposure. Quantitative acute dietary exposure and risk
assessments are performed for a food-use pesticide, if a toxicological
study has indicated the possibility of an effect of concern occurring
as a result of a 1-day or single exposure.
Such effects were identified for clothianidin. In estimating acute
dietary exposure, EPA used food consumption information from the 2003-
2008 United States Department of Agriculture (USDA) National Health and
Nutrition Examination Survey, What We Eat in America (NHANES/WWEIA). As
to residue levels in food, EPA assumed 100 percent crop treated and
tolerance-level residues for all commodities with established or
proposed tolerances for clothianidin.
ii. Chronic exposure. In conducting the chronic dietary exposure
assessment, EPA used the food consumption data from the USDA's 2003-
2008 NHANES/WWEIA. As to residue levels in food, EPA assumed 100
percent crop treated and average residues from crop field trials for
all commodities with established or proposed tolerances for
clothianidin.
iii. Cancer. Based on the data summarized in Unit III.A., EPA has
concluded that clothianidin does not pose a cancer risk to humans.
Therefore, a dietary exposure assessment for the purpose of assessing
cancer risk is unnecessary.
iv. Anticipated residue and percent crop treated (PCT) information.
EPA did not use PCT estimates in the dietary assessment for
clothianidin. 100% CT were assumed for all food commodities. Average
residue levels from field-trial were used in the chronic dietary
assessment.
Section 408(b)(2)(E) of FFDCA authorizes EPA to use available data
and information on the anticipated residue levels of pesticide residues
in food and the actual levels of pesticide residues that have been
measured in food. If EPA relies on such information, EPA must require
pursuant to FFDCA section 408(f)(1) that data be provided 5 years after
the tolerance is established, modified, or left in effect,
demonstrating that the levels in food are not above the levels
anticipated. For the present action, EPA will issue such data call-ins
as are required by FFDCA section 408(b)(2)(E) and authorized under
FFDCA section 408(f)(1). Data will be required to be submitted no later
than 5 years from the date of issuance of these tolerances.
2. Dietary exposure from drinking water. The Agency used screening-
level water exposure models in the dietary exposure analysis and risk
assessment for clothianidin in drinking water. These simulation models
take into account data on the physical, chemical, and fate/transport
characteristics of clothianidin. Further information regarding EPA
drinking water models used in pesticide exposure assessment can be
found at https://www2.epa.gov/pesticide-science-and-assessing-pesticide-risks/about-water-exposure-models-used-pesticide.
Based on the Tier I Pesticide Root Zone Model--Ground Water (PRZM-
GW) and Tier I Screening Concentration in Ground Water (SCI-GROW)
models and the Tier II surface water concentration calculator (SWCC)
computer model, the estimated drinking water concentrations (EDWCs) of
clothianidin for acute exposures are estimated to be 67 parts per
billion (ppb) for surface water and 180 ppb for ground water, and for
chronic exposures are estimated to be 67 ppb for surface water and 139
ppb for ground water.
Modeled estimates of drinking water concentrations were directly
entered into the dietary exposure model. For the acute dietary risk
assessment, the water concentration value of 180 ppb was used to assess
the contribution to drinking water. For the chronic dietary risk
assessment, the water concentration value of 139 ppb was used to assess
the contribution to drinking water.
3. From non-dietary exposure. The term ``residential exposure'' is
used in this document to refer to non-occupational, non-dietary
exposure (e.g., for lawn and garden pest control, indoor pest control,
termiticides, and flea and tick control on pets).
Clothianidin is currently registered for the following uses that
could result in residential exposures: Turf, ornamental plants,
interior plantscapes, and use in residential and commercial buildings.
EPA assessed residential exposure using the following assumptions: For
adults, combined dermal/inhalation exposure from application of
pesticides via an aerosol can in indoor environments; for children 1 to
<2 years old, the combined dermal/inhalation/incidental oral (i.e.,
oral hand-to-mouth) exposures from post-application exposure to indoor-
surface directed/perimeter/mattress (bed bug application); for children
6 to <11 years old, dermal exposures from post-application exposure to
treated gardens; and for children 11 to <16 years old, dermal exposure
from post-application exposure to treated turf while golfing.
Further information regarding EPA standard assumptions and generic
inputs for residential exposures may be found at https://www2.epa.gov/pesticide-science-and-assessing-pesticide-risks/standard-operating-procedures-residential-pesticide.
4. Cumulative effects from substances with a common mechanism of
toxicity. Section 408(b)(2)(D)(v) of FFDCA requires that, when
considering whether to establish, modify, or revoke a tolerance, the
Agency consider ``available information'' concerning the cumulative
effects of a particular pesticide's residues and ``other substances
that have a common mechanism of toxicity.''
Clothianidin is a member of the neonicotinoid class of pesticides
and is a metabolite of another neonicotinoid, thiamethoxam. Structural
similarities or common effects do not constitute a common mechanism of
toxicity. Evidence is needed to establish that the chemicals operate by
the same, or essentially the same sequence of major biochemical events.
Although clothianidin and thiamethoxam bind selectively to insect
nicotinic acetylcholine receptors (nAChR), the specific binding
site(s)/receptor(s) for clothianidin, thiamethoxam, and the other
neonicotinoids are unknown at this time. Additionally, the commonality
of the binding activity itself is uncertain, as preliminary evidence
suggests that clothianidin operates by direct competitive inhibition,
while thiamethoxam is a non-competitive inhibitor. Furthermore, even if
future research shows that neonicotinoids share a common binding
activity to a specific site on insect nAChRs, there is not necessarily
a
[[Page 64775]]
relationship between this pesticidal action and a mechanism of toxicity
in mammals. Structural variations between the insect and mammalian
nAChRs produce quantitative differences in the binding affinity of the
neonicotinoids towards these receptors, which, in turn, confers the
notably greater selective toxicity of this class towards insects,
including aphids and leafhoppers, compared to mammals. While the
insecticidal action of the neonicotinoids is neurotoxic, the most
sensitive regulatory endpoint for clothianidin is based on unrelated
effects in mammals, including changes in body and thymus weights,
delays in sexual maturation, and still births. Additionally, the most
sensitive toxicological effect in mammals differs across the
neonicotinoids (such as testicular tubular atrophy with thiamethoxam,
and mineralized particles in thyroid colloid with imidaclopid). Thus,
there is currently no evidence to indicate that neonicotinoids share
common mechanisms of toxicity, and EPA is not following a cumulative
risk approach based on a common mechanism of toxicity for the
neonicotinoids. For information regarding EPA's efforts to determine
which chemicals have a common mechanism of toxicity and to evaluate the
cumulative effects of such chemicals, see the policy statements
concerning common mechanism determinations and procedures for
cumulating effects from substances found to have a common mechanism
released by OPP on EPA's website at https://www.epa.gov/pesticides/cumulative/.
D. Safety Factor for Infants and Children
1. In general. Section 408(b)(2)(C) of FFDCA provides that EPA
shall apply an additional tenfold (10X) margin of safety for infants
and children in the case of threshold effects to account for prenatal
and postnatal toxicity and the completeness of the database on toxicity
and exposure unless EPA determines based on reliable data that a
different margin of safety will be safe for infants and children. This
additional margin of safety is commonly referred to as the FQPA Safety
Factor (SF). In applying this provision, EPA either retains the default
value of 10X, or uses a different additional safety factor when
reliable data available to EPA support the choice of a different
factor.
2. Prenatal and postnatal sensitivity. There is no indication of
increased quantitative or qualitative susceptibility, as compared to
adults, of rat and rabbit fetuses following in utero exposure to
clothianidin in developmental studies. However, increased quantitative
susceptibility was observed in both the developmental neurotoxicity and
rat multi-generation reproduction studies. In the developmental
neurotoxicity study, offspring toxicity (decreased body weight gains,
motor activity and acoustic startle response) was seen at a lower dose
than that which caused maternal toxicity. In the 2-generation rat
reproduction study, offspring toxicity (decreased body weight gains,
delayed sexual maturation in males, decreased absolute thymus weights
in F1 pups of both sexes and an increase in stillbirths in both
generations) was seen at a dose lower than that which caused parental
toxicity.
3. Conclusion. The EPA has determined that the safety of infants
and children would be adequately protected if the FQPA SF were reduced
to 1X. That decision is based on the following findings:
i. The toxicity database for clothianidin is complete.
ii. There are no residual concerns regarding potential pre- and
post-natal toxicity in the young. A rat developmental neurotoxicity
study is available and shows evidence of increased quantitative
susceptibility of offspring. However, EPA considers the degree of
concern for the developmental neurotoxicity study to be low for pre-
and postnatal toxicity because the NOAEL and LOAEL were well
characterized, and the doses and endpoints selected for risk assessment
are protective of the observed susceptibility.
iii. As explained in Unit III.D.2 ``Prenatal and postnatal
sensitivity'', while the rat multi-generation reproduction study showed
evidence of increased quantitative susceptibility of offspring compared
to adults, the degree of concern is low because the study NOAEL has
been selected as the POD for risk assessment purposes for relevant
exposure routes and durations. In addition, the potential immunotoxic
effects observed in the study have been further characterized with the
submission of a developmental immunotoxicity study that showed no
evidence of susceptibility. As a result, there are no concerns or
residual uncertainties for pre- and postnatal toxicity after
establishing toxicity endpoints and traditional UFs to be used in the
risk assessment for clothianidin.
iv. There are no residual uncertainties identified in the exposure
databases. The dietary food exposure assessments assumed 100 PCT and
tolerance-level residues (acute assessment) or average residues from
field trials designed to produce high-end residue levels (chronic
assessment). EPA made conservative (protective) assumptions in the
ground and surface water modeling used to assess exposure to
clothianidin in drinking water. EPA used similarly conservative
assumptions to assess post-application exposure of children. These
assessments will not underestimate the exposure and risks posed by
clothianidin.
E. Aggregate Risks and Determination of Safety
EPA determines whether acute and chronic dietary pesticide
exposures are safe by comparing aggregate exposure estimates to the
acute PAD (aPAD) and chronic PAD (cPAD). For linear cancer risks, EPA
calculates the lifetime probability of acquiring cancer given the
estimated aggregate exposure. Short-, intermediate-, and chronic-term
risks are evaluated by comparing the estimated aggregate food, water,
and residential exposure to the appropriate PODs to ensure that an
adequate MOE exists.
1. Acute risk. Using the exposure assumptions discussed in this
unit for acute exposure, the acute dietary exposure from food and water
to clothianidin will occupy 18% of the aPAD for all infants (<1 year
old), the population group receiving the greatest exposure.
2. Chronic risk. Using the exposure assumptions described in this
unit for chronic exposure, EPA has concluded that chronic exposure to
clothianidin from food and water will utilize 9.0% of the cPAD for all
infants (<1 year old), the population group receiving the greatest
exposure. Based on the explanation in Unit III.C.3., regarding
residential use patterns, chronic residential exposure to residues of
clothianidin is not expected.
3. Short-term risk. Short-term aggregate exposure takes into
account short-term residential exposure plus chronic exposure to food
and water (considered to be a background exposure level).
Clothianidin is currently registered for uses that could result in
short-term residential exposure, and the Agency has determined that it
is appropriate to aggregate chronic exposure through food and water
with short-term residential exposures to clothianidin.
Using the exposure assumptions described in this unit for short-
term exposures, EPA has concluded the combined short-term food, water,
and residential exposures result in aggregate MOEs of 390 for adults
and 150 children. Because EPA's level of concern for clothianidin is an
MOE of
[[Page 64776]]
100 or below, these MOEs are not of concern.
4. Intermediate-term risk. Intermediate-term aggregate exposure
takes into account intermediate-term residential exposure plus chronic
exposure to food and water (considered to be a background exposure
level).
Clothianidin is currently registered for uses that could result in
intermediate-term residential exposure, and the Agency has determined
that it is appropriate to aggregate chronic exposure through food and
water with short-term residential exposures to clothianidin. The short-
term assessment is protective of any potential intermediate-term
exposures.
5. Aggregate cancer risk for U.S. population. Based on the lack of
evidence of carcinogenicity in two adequate rodent carcinogenicity
studies, clothianidin is not expected to pose a cancer risk to humans.
6. Determination of safety. Based on these risk assessments, EPA
concludes that there is a reasonable certainty that no harm will result
to the general population, or to infants and children from aggregate
exposure to clothianidin residues.
IV. Other Considerations
A. Analytical Enforcement Methodology
Adequate enforcement methods based on solvent extraction and liquid
chromatography with tandem mass spectrometry separation,
identification, and quantification, are available for plant (Morse
Method #Meth-164--modified, RM-39C-1, or Bayer Method 00552) and
livestock (Bayer Method 00624) matrices.
The method may be requested from: Chief, Analytical Chemistry
Branch, Environmental Science Center, 701 Mapes Rd., Ft. Meade, MD
20755-5350; telephone number: (410) 305-2905; email address:
[email protected].
B. International Residue Limits
In making its tolerance decisions, EPA seeks to harmonize U.S.
tolerances with international standards whenever possible, consistent
with U.S. food safety standards and agricultural practices. EPA
considers the international maximum residue limits (MRLs) established
by the Codex Alimentarius Commission (Codex), as required by FFDCA
section 408(b)(4). The Codex Alimentarius is a joint United Nations
Food and Agriculture Organization/World Health Organization food
standards program, and it is recognized as an international food safety
standards-setting organization in trade agreements to which the United
States is a party. EPA may establish a tolerance that is different from
a Codex MRL; however, FFDCA section 408(b)(4) requires that EPA explain
the reasons for departing from the Codex level.
Codex has established an MRL for residues of clothianidin in
persimmon at 0.4 ppm. EPA is establishing the tolerance at 0.5 ppm at
the request of the petitioner, to harmonize with the higher Japanese
MRL. EPA believes the higher tolerance will facilitate more trade
rather than the lower Codex MRL. The higher tolerance is greater than
the highest value observed in field trials and is expected to be a
suitable enforcement limit for residues in imported persimmon.
V. Conclusion
Therefore, a tolerance is established for residues of clothianidin
in or on persimmon at 0.5 ppm.
VI. Statutory and Executive Order Reviews
This action establishes a tolerance under FFDCA section 408(d) in
response to a petition submitted to the Agency. The Office of
Management and Budget (OMB) has exempted these types of actions from
review under Executive Order 12866, entitled ``Regulatory Planning and
Review'' (58 FR 51735, October 4, 1993). Because this action has been
exempted from review under Executive Order 12866, this action is not
subject to Executive Order 13211, entitled ``Actions Concerning
Regulations That Significantly Affect Energy Supply, Distribution, or
Use'' (66 FR 28355, May 22, 2001) or Executive Order 13045, entitled
``Protection of Children from Environmental Health Risks and Safety
Risks'' (62 FR 19885, April 23, 1997), nor is it considered a
regulatory action under Executive Order 13771, entitled ``Reducing
Regulations and Controlling Regulatory Costs'' (82 FR 9339, February 3,
2017). This action does not contain any information collections subject
to OMB approval under the Paperwork Reduction Act (PRA) (44 U.S.C. 3501
et seq.), nor does it require any special considerations under
Executive Order 12898, entitled ``Federal Actions to Address
Environmental Justice in Minority Populations and Low-Income
Populations'' (59 FR 7629, February 16, 1994).
Since tolerances and exemptions that are established on the basis
of a petition under FFDCA section 408(d), such as the tolerance in this
final rule, do not require the issuance of a proposed rule, the
requirements of the Regulatory Flexibility Act (RFA) (5 U.S.C. 601 et
seq.), do not apply.
This action directly regulates growers, food processors, food
handlers, and food retailers, not States or tribes, nor does this
action alter the relationships or distribution of power and
responsibilities established by Congress in the preemption provisions
of FFDCA section 408(n)(4). As such, the Agency has determined that
this action will not have a substantial direct effect on States or
tribal governments, on the relationship between the national government
and the States or tribal governments, or on the distribution of power
and responsibilities among the various levels of government or between
the Federal Government and Indian tribes. Thus, the Agency has
determined that Executive Order 13132, entitled ``Federalism'' (64 FR
43255, August 10, 1999) and Executive Order 13175, entitled
``Consultation and Coordination with Indian Tribal Governments'' (65 FR
67249, November 9, 2000) do not apply to this action. In addition, this
action does not impose any enforceable duty or contain any unfunded
mandate as described under Title II of the Unfunded Mandates Reform Act
(UMRA) (2 U.S.C. 1501 et seq.).
This action does not involve any technical standards that would
require Agency consideration of voluntary consensus standards pursuant
to section 12(d) of the National Technology Transfer and Advancement
Act (NTTAA) (15 U.S.C. 272 note).
VII. Congressional Review Act
Pursuant to the Congressional Review Act (5 U.S.C. 801 et seq.),
EPA will submit a report containing this rule and other required
information to the U.S. Senate, the U.S. House of Representatives, and
the Comptroller General of the United States prior to publication of
the rule in the Federal Register. This action is not a ``major rule''
as defined by 5 U.S.C. 804(2).
List of Subjects in 40 CFR Part 180
Environmental protection, Administrative practice and procedure,
Agricultural commodities, Pesticides and pests, Reporting and
recordkeeping requirements.
Dated: October 30, 2019.
Michael Goodis,
Director, Registration Division, Office of Pesticide Programs.
Therefore, 40 CFR chapter I is amended as follows:
PART 180--[AMENDED]
0
1. The authority citation for part 180 continues to read as follows:
[[Page 64777]]
Authority: 21 U.S.C. 321(q), 346a and 371.
0
2. In Sec. 180.586, add alphabetically the entry ``Persimmon \1\'' to
the table in paragraph (a)(1) to read as follows:
Sec. 180.586 Clothianidin; tolerances for residues.
(a) * * *
(1) * * *
------------------------------------------------------------------------
Parts per
Commodity million
------------------------------------------------------------------------
* * * * *
Persimmon \1\............................................... 0.5
* * * * *
------------------------------------------------------------------------
* * * * *
[FR Doc. 2019-25535 Filed 11-22-19; 8:45 am]
BILLING CODE 6560-50-P