83_FR_5333 83 FR 5307 - Isoxaben; Pesticide Tolerances

83 FR 5307 - Isoxaben; Pesticide Tolerances

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 83, Issue 26 (February 7, 2018)

Page Range5307-5312
FR Document2018-02346

This regulation establishes tolerances for residues of isoxaben in or on apple, the bushberry subgroup 13-07B, the tree nut group 14-12, and the small vine climbing fruit (except fuzzy kiwifruit) subgroup 13-07F. Interregional Research Project Number 4 (IR-4) requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).

Federal Register, Volume 83 Issue 26 (Wednesday, February 7, 2018)
[Federal Register Volume 83, Number 26 (Wednesday, February 7, 2018)]
[Rules and Regulations]
[Pages 5307-5312]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-02346]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 180

[EPA-HQ-OPP-2016-0650; FRL-9972-75]


Isoxaben; Pesticide Tolerances

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: This regulation establishes tolerances for residues of 
isoxaben in or on apple, the bushberry subgroup 13-07B, the tree nut 
group 14-12, and the small vine climbing fruit (except fuzzy kiwifruit) 
subgroup 13-07F. Interregional Research Project Number 4 (IR-4) 
requested these tolerances under the Federal Food, Drug, and Cosmetic 
Act (FFDCA).

DATES: This regulation is effective February 7, 2018. Objections and 
requests for hearings must be received on or before April 9, 2018, 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-2016-0650, is available at http://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 http://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 
Printing Office's e-CFR site at http://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-2016-0650 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 
April 9, 2018. 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-2016-0650, by one of 
the following methods:

     Federal eRulemaking Portal: http://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 http://www.epa.gov/dockets/contacts.html.
    Additional instructions on commenting or visiting the docket, along 
with more information about dockets generally, is available at http://www.epa.gov/dockets.

II. Summary of Petitioned-For Tolerance

    In the Federal Register of April 10, 2017 (82 FR 17175) (FRL-9959-
61), 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 
6E8516) by Interregional Research Project No. 4 (IR-4) Project 
Headquarters, Rutgers, The State University of NJ, 500 College Road 
East, Suite 201, W, Princeton, NJ 08540. The petition requested that 40 
CFR 180.650 be amended by establishing tolerances for residues of the 
herbicide isoxaben, N-[3-(1-ethyl-1-methylpropyl)-5-isoxazolyl]-2, 6-
dimethoxybenzamide, in or on the raw agricultural commodities apple at 
0.01 parts per million (ppm); the bushberry subgroup 13-07B at 0.01 
ppm; the fruit, small, vine climbing, except fuzzy kiwifruit, subgroup 
13-07F at 0.01 ppm; and the nut, tree, group 14-12 at 0.02 ppm. The 
petition also requested to remove the tolerances in 40 CFR 180.650 in 
or on the raw agricultural

[[Page 5308]]

commodities grape at 0.01 ppm; nut, tree, group 14 at 0.02 ppm; and 
pistachio at 0.02 ppm. That document referenced a summary of the 
petition prepared by Dow AgroSciences, the registrant, which is 
available in the docket, http://www.regulations.gov. Comments were 
received on the notice of filing. EPA's response to these comments is 
discussed in Unit IV.C.

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 isoxaben including exposure 
resulting from the tolerances established by this action. EPA's 
assessment of exposures and risks associated with isoxaben 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.
    Isoxaben shows low acute toxicity by all routes. In chronic oral 
studies, the liver (mouse) and kidney (rat) were target organs, and 
decreased body weight was observed in the rat, mouse, and dog. There 
was no indication of neurotoxicity or immunotoxicity. No evidence of 
increased susceptibility was observed in the rat or rabbit 
developmental toxicity studies, but was observed in the rat 
reproductive toxicity study only at the limit dose.
    Isoxaben is currently classified as having ``suggestive evidence of 
carcinogenic potential,'' based on the presence of liver tumors in male 
and female mice. Because the tumors were benign and observed at dose 
levels exceeding the limit dose of 1,000 mg/kg/day and there was low 
concern for genotoxicity, the cRfD is considered protective of 
potential carcinogenicity and a quantitative assessment of cancer risk 
was not conducted.
    Specific information on the studies received and the nature of the 
adverse effects caused by isoxaben as well as the no-observed-adverse-
effect-level (NOAEL) and the lowest-observed-adverse-effect-level 
(LOAEL) from the toxicity studies can be found at http://www.regulations.gov in the document title ``Isoxaben. Aggregate Human 
Health Risk Assessment to Support Proposed New Uses on Bushberry 
Subgroup 13-07B and Apple, Crop Group Conversion (Tree Nut Group 14-
12), and Crop Group Expansion (Small Vine Climbing Fruit Except Fuzzy 
Kiwifruit Subgroup 13-07F)'' on pages 26-31 in docket ID number EPA-HQ-
OPP-2016-0650.

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 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 http://www2.epa.gov/pesticide-science-and-assessing-pesticide-risks/assessing-human-health-risk-pesticides.
    A summary of the toxicological endpoints for isoxaben used for 
human risk assessment is shown in Table 1 of this unit.

   Table 1--Summary of Toxicological Doses and Endpoints for Isoxaben for Use in Human Health Risk Assessment
----------------------------------------------------------------------------------------------------------------
                                    Point of departure
        Exposure/scenario            and uncertainty/     RfD, PAD, LOC for     Study and toxicological effects
                                      safety factors       risk assessment
----------------------------------------------------------------------------------------------------------------
Acute dietary (All populations)..         An appropriate endpoint for a single exposure was not identified
----------------------------------------------------------------------------------------------------------------
Chronic dietary (All populations)  NOAEL = 5.0 mg/kg/    Chronic RfD = 0.05   Chronic combined toxicity/
                                    day.                  mg/kg/day.           Carcinogenicity (oral)--rat.
                                   UFA = 10x...........  cPAD = 0.05 mg/kg/   LOAEL = 50.7 mg/kg/day, based on
                                   UFH = 10x...........   day..                renal toxicity in males.
                                   FQPA SF = 1x........

[[Page 5309]]

 
Incidental oral intermediate-term  NOAEL = 200 mg/kg/    LOC for MOE = 100..  Reproductive toxicity (oral)--rat.
 (1 to 6 months).                   day.                                      Offspring LOAEL = 1,000 mg/kg/day,
                                   UFA = 10x...........                        based on decreased body weight
                                   UFH = 10x...........                        gain in F1 females on day 70,
                                   FQPA SF = 1x........                        decreased F2 pup weights,
                                                                               gestation survival, live pups/
                                                                               litter, and increased incidence
                                                                               of malformations.
                                                                              One-year dietary study (co-
                                                                               critical supporting study)--rat.
                                                                              LOAEL = 625 mg/kg/day, based on
                                                                               decreased body weight gain in
                                                                               females during the first six
                                                                               months, with a NOAEL of 62.5 mg/
                                                                               kg/day.
----------------------------------------------------------------------------------------------------------------
Inhalation short-term (1 to 30     NOAEL = 200 mg/kg/    LOC for MOE = 100..  Reproductive toxicity (oral)--rat.
 days).                             day (inhalation                           Offspring LOAEL = 1,000 mg/kg/day,
                                    toxicity assumed to                        based on decreased body weight
                                    be equivalent to                           gain in F1 females on day 70,
                                    oral toxicity).                            decreased F2 pup weights,
                                   UFA = 10x...........                        gestation survival, live pups/
                                   UFH = 10x...........                        litter, and increased incidence
                                   FQPA SF = 1x........                        of malformations.
----------------------------------------------------------------------------------------------------------------
Inhalation intermediate-term (1    NOAEL = 200 mg/kg/    LOC for MOE = 100..  Reproductive toxicity (oral)--rat.
 to 6 months).                      day (inhalation                           Offspring LOAEL = 1,000 mg/kg/day,
                                    toxicity assumed to                        based on decreased body weight
                                    be equivalent to                           gain in F1 females on day 70,
                                    oral toxicity).                            decreased F2 pup weights,
                                   UFA = 10x...........                        gestation survival, live pups/
                                   UFH = 10x...........                        litter, and increased incidence
                                   FQPA SF = 1x........                        of malformations.
                                                                              One-year dietary study (co-
                                                                               critical supporting study)--rat.
                                                                              LOAEL = 625 mg/kg/day, based on
                                                                               decreased body weight gain in
                                                                               females during the first six
                                                                               months, with a NOAEL of 62.5 mg/
                                                                               kg/day.
----------------------------------------------------------------------------------------------------------------
Cancer (Oral, dermal, inhalation)      ``Suggestive Evidence of Carcinogenic Potential,'' based on increased
                                     incidence of hepatocellular adenomas in male and female mice. Quantitative
                                    assessment of cancer risk using a cancer potency factor is not required. The
                                                 chronic RfD is protective of potential cancer risk.
----------------------------------------------------------------------------------------------------------------
FQPA SF = Food Quality Protection Act Safety Factor. LOAEL = lowest-observed-adverse-effect-level. LOC = level
  of concern. mg/kg/day = milligram/kilogram/day. MOE = margin of exposure. NOAEL = no-observed-adverse-effect-
  level. PAD = population adjusted dose (a = acute, c = chronic). RfD = reference dose. UF = uncertainty factor.
  UFA = extrapolation from animal to human (interspecies). UFH = potential variation in sensitivity among
  members of the human population (intraspecies).

C. Exposure Assessment

    1. Dietary exposure from food and feed uses. In evaluating dietary 
exposure to isoxaben, EPA considered exposure under the petitioned-for 
tolerances as well as all existing isoxaben tolerances in 40 CFR 
180.650. EPA assessed dietary exposures from isoxaben 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.
    No such effects were identified in the toxicological studies for 
isoxaben; therefore, a quantitative acute dietary exposure assessment 
is unnecessary.
    ii. Chronic exposure. In conducting the chronic dietary exposure 
assessment EPA used 2003-2008 food consumption data from the US 
Department of Agriculture's (USDA's) National Health and Nutrition 
Examination Survey, What We Eat in America (NHANES/WWEIA). As to 
residue levels in food, EPA assumed tolerance-level residues and 100 
percent crop treated (PCT).
    iii. Cancer. Based on the data summarized in Unit III.A., EPA has 
concluded that a nonlinear RfD approach is appropriate for assessing 
cancer risk to isoxaben. Cancer risk was assessed using the same 
exposure estimates as discussed in Unit III.C.1.ii.
    iv. Anticipated residue and PCT information. EPA did not use 
anticipated residue or PCT information in the dietary assessment for 
isoxaben. Tolerance-level residues and 100 PCT were assumed for all 
food commodities.
    2. Dietary exposure from drinking water. The Agency used screening-
level water exposure models in the dietary exposure analysis and risk 
assessment for isoxaben in drinking water. These simulation models take 
into account data on the physical, chemical, and fate/transport 
characteristics of isoxaben. Further information regarding EPA drinking 
water models used in pesticide exposure assessment can be found at 
http://www2.epa.gov/pesticide-science-and-assessing-pesticide-risks/about-water-exposure-models-used-pesticide.
    Based on the Surface Water Concentration Calculator (SWCC v1.106) 
and Pesticide Root Zone Model Ground Water (PRZM GW), the estimated 
drinking water concentrations (EDWCs) of isoxaben for chronic exposures 
are estimated to be 43.6 parts per billion (ppb) for surface water and 
909 ppb for ground water.
    Modeled estimates of drinking water concentrations were directly 
entered into the dietary exposure model. For the chronic dietary risk 
assessment, the water concentration value of 909 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).

[[Page 5310]]

    Isoxaben is currently registered for the following uses that could 
result in residential exposures: Residential turf. EPA assessed 
residential exposure using the following assumptions: Isoxaben 
residential uses constitute short- and intermediate-term exposure 
scenarios. For residential handlers, since a dermal endpoint was not 
selected, the only route of exposure quantitatively assessed for adult 
handlers is through inhalation. For post-application exposures, only 
intermediate-term incidental oral exposures for children were assessed 
due to the persistence of isoxaben residues in soil. Neither a short-
term dermal nor short-term incidental oral endpoint was selected for 
children. Although there is potential for post-application inhalation 
exposure of both adults and children, the estimated exposure is 
anticipated to be negligible; therefore, a quantitative post-
application inhalation assessment was not required.
    For the purpose of performing an aggregate assessment, the Agency 
selected only the most conservative, or worst-case, residential adult 
and child scenarios to be included in the aggregate, based on the 
lowest overall MOE (highest exposure estimates). For adults, handler 
inhalation exposure resulting from the application of a granular 
formulation of isoxaben to residential lawns via push-type spreader has 
been used to estimate adult aggregate exposure. (The inhalation 
exposure was added to background exposure from food and water, and 
compared to the short-term inhalation POD.) Post-application risks for 
adults in residential settings were not assessed due to the lack of a 
dermal endpoint.
    For children, an intermediate-term aggregate assessment was 
conducted by adding the incidental soil ingestion exposure, and average 
food and water exposure (chronic dietary exposure). The incidental oral 
residential exposure value selected for the aggregate analysis is based 
on children ingesting soil particles containing pesticide residues 
while playing on treated turf. Due to the persistence of isoxaben in 
the soil, the Agency used a conservative approach by using the maximum 
seasonal application rate for estimating soil ingestion by children 
rather than the standard maximum single application rate. This scenario 
resulted in the highest calculated exposure levels; therefore, it is 
protective for all other oral post-application exposure and risk for 
children in residential settings.
    Further information regarding EPA standard assumptions and generic 
inputs for residential exposures may be found at http://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.''
    EPA has not found isoxaben to share a common mechanism of toxicity 
with any other substances, and isoxaben does not appear to produce a 
toxic metabolite produced by other substances. For the purposes of this 
tolerance action, therefore, EPA has assumed that isoxaben does not 
have a common mechanism of toxicity with other substances. 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 EPA's website at http://www2.epa.gov/pesticide-science-and-assessing-pesticide-risks/cumulative-assessment-risk-pesticides.

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. No evidence of increased 
susceptibility was observed in the rat or rabbit developmental toxicity 
studies, but was observed in the rat reproductive toxicity study only 
at the limit dose.
    3. Conclusion. EPA has determined that reliable data show 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 isoxaben is adequately complete to 
allow the Agency to assess the toxicological profile of isoxaben.
    ii. There is no indication that isoxaben is a neurotoxic chemical 
and there is no need for a developmental neurotoxicity study or 
additional UFs to account for neurotoxicity.
    iii. No evidence of increased susceptibility was observed in the 
rat or rabbit developmental toxicity studies, but was observed in the 
rat reproductive toxicity study only at the limit dose; however, this 
risk assessment is protective of the susceptibility observed at the 
limit dose in the reproductive toxicity study.
    iv. There are no residual uncertainties identified in the exposure 
databases. The dietary food exposure assessments were performed based 
on 100 PCT and tolerance-level residues. EPA made conservative 
(protective) assumptions in the ground and surface water modeling used 
to assess exposure to isoxaben in drinking water. EPA used similarly 
conservative assumptions to assess post-application exposure of 
children as well as incidental oral exposure of toddlers. These 
assessments will not underestimate the exposure and risks posed by 
isoxaben.

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. An acute aggregate risk assessment takes into 
account acute exposure estimates from dietary consumption of food and 
drinking water. No adverse effect resulting from a single oral exposure 
was identified and no acute dietary endpoint was selected. Therefore, 
isoxaben is not expected to pose an acute risk.
    2. Chronic risk. Using the exposure assumptions described in this 
unit for chronic exposure, EPA has concluded that chronic exposure to 
isoxaben from food and water will utilize 98% of the cPAD for all 
infants less than 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 
isoxaben is not expected.
    3. Short-term risk. Short-term aggregate exposure takes into 
account

[[Page 5311]]

short-term residential exposure plus chronic exposure to food and water 
(considered to be a background exposure level).
    Isoxaben 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 isoxaben.
    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 an aggregate MOE of 6,700 for 
females 13-49 years old. Because EPA's level of concern for isoxaben is 
a MOE of 100 or below, this MOE is 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).
    Isoxaben 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 intermediate-term residential exposures to isoxaben.
    Using the exposure assumptions described in this unit for 
intermediate-term exposures, EPA has concluded that the combined 
intermediate-term food, water, and residential exposures result in an 
aggregate MOE of 7,200 for children 1-2 years old. Because EPA's level 
of concern for isoxaben is a MOE of 100 or below, this MOE is not of 
concern.
    5. Aggregate cancer risk for U.S. population. Based on the 
discussion in Unit III.A., EPA considers the chronic aggregate risk 
assessment to be protective of any aggregate cancer risk. As there is 
no chronic risk of concern, EPA does not expect any cancer risk to the 
U.S. population from aggregate exposure to isoxaben.
    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 isoxaben residues.

IV. Other Considerations

A. Analytical Enforcement Methodology

    An adequate residue analytical method (RAM) utilizing liquid 
chromatography with tandem mass spectrometric detection (LC/MS/MS), GRM 
02.26.S.1 (a revision of GRM 02.26), is available for enforcement of 
isoxaben residues in crop commodities.
    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.
    The Codex has not established any MRLs for isoxaben.

C. Response to Comments

    Seven comments were received in response to the notice of filing. 
All of the comments were general in nature, not specific to the 
chemical isoxaben. They included statements such as ``I am not in favor 
of relaxing requirements on pesticides,'' ``I am opposed to this 
proposal,'' and ``My body doesn't live well on pesticides.''
    The Agency recognizes that some individuals believe that pesticides 
should be banned on agricultural crops; however, the existing legal 
framework provided by section 408 of the Federal Food, Drug and 
Cosmetic Act (FFDCA) states that tolerances may be set when persons 
seeking such tolerances or exemptions have demonstrated that the 
pesticide meets the safety standard imposed by that statute. These 
citizens' comments appear to be directed at the underlying statute and 
not EPA's implementation of it; the citizens have made no contention 
that EPA has acted in violation of the statutory framework nor have 
they provided any specific information or allegation that would support 
a finding that these tolerances are unsafe.

V. Conclusion

    Therefore, tolerances are established for residues of isoxaben 
including its metabolites and degradates, in or on apple at 0.01 ppm; 
the bushberry subgroup 13-07B at 0.01 ppm; the fruit, small, vine 
climbing, except fuzzy kiwifruit, subgroup 13-07F at 0.01 ppm; and the 
nut, tree, group 14-12 at 0.02 ppm. In addition, the following existing 
tolerances are removed since they are superseded by the new tolerances: 
Grape, nut, tree, group 14; and pistachio.

VI. Statutory and Executive Order Reviews

    This action establishes tolerances 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); Executive Order 13045, entitled 
``Protection of Children from Environmental Health Risks and Safety 
Risks'' (62 FR 19885, April 23, 1997); or 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

[[Page 5312]]

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: January 19, 2018.
Donna S. Davis,
Acting 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:

    Authority:  21 U.S.C. 321(q), 346a and 371.


0
2. In Sec.  180.650, revise the table in paragraph (a) to read as 
follows:


Sec.  180.650   Isoxaben; tolerances for residues.

    (a) * * *

------------------------------------------------------------------------
                                                             Parts per
                        Commodity                             million
------------------------------------------------------------------------
Almond, hulls...........................................            0.40
Apple...................................................            0.01
Bushberry subgroup 13-07B...............................            0.01
Fruit, small, vine climbing, except fuzzy kiwifruit,                0.01
 subgroup 13-07F........................................
Nut, tree, group 14-12..................................            0.02
------------------------------------------------------------------------

* * * * *
[FR Doc. 2018-02346 Filed 2-6-18; 8:45 am]
 BILLING CODE 6560-50-P



                                                               Federal Register / Vol. 83, No. 26 / Wednesday, February 7, 2018 / Rules and Regulations                                         5307

                                              being taken to provide for the safety of                Constitution Ave. NW, Washington, DC                  received by the Hearing Clerk on or
                                              life on navigable waterways during the                  20460–0001. The Public Reading Room                   before April 9, 2018. Addresses for mail
                                              rowing event. Our regulation for                        is open from 8:30 a.m. to 4:30 p.m.,                  and hand delivery of objections and
                                              Recurring Marine Events in Captain of                   Monday through Friday, excluding legal                hearing requests are provided in 40 CFR
                                              the Port Sector Mobile Zone, § 100.801,                 holidays. The telephone number for the                178.25(b).
                                              specifies the location of the regulated                 Public Reading Room is (202) 566–1744,                  In addition to filing an objection or
                                              area for this 2-and-1⁄2-mile-long rowing                and the telephone number for the OPP                  hearing request with the Hearing Clerk
                                              event. As specified in § 100.801 during                 Docket is (703) 305–5805. Please review               as described in 40 CFR part 178, please
                                              the enforcement period, no vessel may                   the visitor instructions and additional               submit a copy of the filing (excluding
                                              transit this regulated area without                     information about the docket available                any Confidential Business Information
                                              approval from the Captain of the Port                   at http://www.epa.gov/dockets.                        (CBI)) for inclusion in the public docket.
                                              Sector Mobile (COTP) or a COTP                          FOR FURTHER INFORMATION CONTACT:                      Information not marked confidential
                                              designated representative.                              Michael Goodis, Registration Division                 pursuant to 40 CFR part 2 may be
                                                 This notice of enforcement is issued                 (7505P), Office of Pesticide Programs,                disclosed publicly by EPA without prior
                                              under authority of 33 CFR 100.801 and                   Environmental Protection Agency, 1200                 notice. Submit the non-CBI copy of your
                                              5 U.S.C. 552(a). In addition to this                    Pennsylvania Ave. NW, Washington, DC                  objection or hearing request, identified
                                              notice of enforcement in the Federal                    20460–0001; main telephone number:                    by docket ID number EPA–HQ–OPP–
                                              Register, the Coast Guard plans to                      (703) 305–7090; email address:                        2016–0650, by one of the following
                                              provide notification of this enforcement                RDFRNotices@epa.gov.                                  methods:
                                              period via the Local Notice to Mariners                 SUPPLEMENTARY INFORMATION:                              • Federal eRulemaking Portal: http://
                                              and Broadcast Notice to Mariners.
                                                                                                      I. General Information                                www.regulations.gov. Follow the online
                                                Dated: January 31, 2018.                                                                                    instructions for submitting comments.
                                              M.R. Mclellan,                                          A. Does this action apply to me?                      Do not submit electronically any
                                              Captain, U. S. Coast Guard, Captain of the                 You may be potentially affected by                 information you consider to be CBI or
                                              Port Sector Mobile.                                     this action if you are an agricultural                other information whose disclosure is
                                              [FR Doc. 2018–02425 Filed 2–6–18; 8:45 am]              producer, food manufacturer, or                       restricted by statute.
                                              BILLING CODE 9110–04–P                                  pesticide manufacturer. The following                   • Mail: OPP Docket, Environmental
                                                                                                      list of North American Industrial                     Protection Agency Docket Center (EPA/
                                                                                                      Classification System (NAICS) codes is                DC), (28221T), 1200 Pennsylvania Ave.
                                              ENVIRONMENTAL PROTECTION                                not intended to be exhaustive, but rather             NW, Washington, DC 20460–0001.
                                              AGENCY                                                  provides a guide to help readers                        • Hand Delivery: To make special
                                                                                                      determine whether this document                       arrangements for hand delivery or
                                              40 CFR Part 180                                         applies to them. Potentially affected                 delivery of boxed information, please
                                              [EPA–HQ–OPP–2016–0650; FRL–9972–75]                     entities may include:                                 follow the instructions at http://
                                                                                                         • Crop production (NAICS code 111).                www.epa.gov/dockets/contacts.html.
                                              Isoxaben; Pesticide Tolerances                             • Animal production (NAICS code                      Additional instructions on
                                                                                                      112).                                                 commenting or visiting the docket,
                                              AGENCY:  Environmental Protection                                                                             along with more information about
                                              Agency (EPA).                                              • Food manufacturing (NAICS code
                                                                                                      311).                                                 dockets generally, is available at http://
                                              ACTION: Final rule.
                                                                                                         • Pesticide manufacturing (NAICS                   www.epa.gov/dockets.
                                              SUMMARY:   This regulation establishes                  code 32532).                                          II. Summary of Petitioned-For
                                              tolerances for residues of isoxaben in or               B. How can I get electronic access to                 Tolerance
                                              on apple, the bushberry subgroup 13–                    other related information?                               In the Federal Register of April 10,
                                              07B, the tree nut group 14–12, and the                                                                        2017 (82 FR 17175) (FRL–9959–61),
                                              small vine climbing fruit (except fuzzy                    You may access a frequently updated
                                                                                                      electronic version of EPA’s tolerance                 EPA issued a document pursuant to
                                              kiwifruit) subgroup 13–07F.                                                                                   FFDCA section 408(d)(3), 21 U.S.C.
                                              Interregional Research Project Number 4                 regulations at 40 CFR part 180 through
                                                                                                      the Government Printing Office’s e-CFR                346a(d)(3), announcing the filing of a
                                              (IR–4) requested these tolerances under                                                                       pesticide petition (PP 6E8516) by
                                              the Federal Food, Drug, and Cosmetic                    site at http://www.ecfr.gov/cgi-bin/text-
                                                                                                      idx?&c=ecfr&tpl=/ecfrbrowse/Title40/                  Interregional Research Project No. 4
                                              Act (FFDCA).                                                                                                  (IR–4) Project Headquarters, Rutgers,
                                                                                                      40tab_02.tpl.
                                              DATES: This regulation is effective                                                                           The State University of NJ, 500 College
                                              February 7, 2018. Objections and                        C. How can I file an objection or hearing             Road East, Suite 201, W, Princeton, NJ
                                              requests for hearings must be received                  request?                                              08540. The petition requested that 40
                                              on or before April 9, 2018, and must be                   Under FFDCA section 408(g), 21                      CFR 180.650 be amended by
                                              filed in accordance with the instructions               U.S.C. 346a, any person may file an                   establishing tolerances for residues of
                                              provided in 40 CFR part 178 (see also                   objection to any aspect of this regulation            the herbicide isoxaben, N-[3-(1-ethyl-1-
                                              Unit I.C. of the SUPPLEMENTARY                          and may also request a hearing on those               methylpropyl)-5-isoxazolyl]-2, 6-
                                              INFORMATION).                                           objections. You must file your objection              dimethoxybenzamide, in or on the raw
                                              ADDRESSES: The docket for this action,                  or request a hearing on this regulation               agricultural commodities apple at 0.01
                                              identified by docket identification (ID)                in accordance with the instructions                   parts per million (ppm); the bushberry
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                                              number EPA–HQ–OPP–2016–0650, is                         provided in 40 CFR part 178. To ensure                subgroup 13–07B at 0.01 ppm; the fruit,
                                              available at http://www.regulations.gov                 proper receipt by EPA, you must                       small, vine climbing, except fuzzy
                                              or at the Office of Pesticide Programs                  identify docket ID number EPA–HQ–                     kiwifruit, subgroup 13–07F at 0.01 ppm;
                                              Regulatory Public Docket (OPP Docket)                   OPP–2016–0650 in the subject line on                  and the nut, tree, group 14–12 at 0.02
                                              in the Environmental Protection Agency                  the first page of your submission. All                ppm. The petition also requested to
                                              Docket Center (EPA/DC), West William                    objections and requests for a hearing                 remove the tolerances in 40 CFR
                                              Jefferson Clinton Bldg., Rm. 3334, 1301                 must be in writing, and must be                       180.650 in or on the raw agricultural


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                                              5308             Federal Register / Vol. 83, No. 26 / Wednesday, February 7, 2018 / Rules and Regulations

                                              commodities grape at 0.01 ppm; nut,                     EPA’s assessment of exposures and risks               Group Conversion (Tree Nut Group 14–
                                              tree, group 14 at 0.02 ppm; and                         associated with isoxaben follows.                     12), and Crop Group Expansion (Small
                                              pistachio at 0.02 ppm. That document                                                                          Vine Climbing Fruit Except Fuzzy
                                                                                                      A. Toxicological Profile
                                              referenced a summary of the petition                                                                          Kiwifruit Subgroup 13–07F)’’ on pages
                                              prepared by Dow AgroSciences, the                          EPA has evaluated the available                    26–31 in docket ID number EPA–HQ–
                                              registrant, which is available in the                   toxicity data and considered its validity,            OPP–2016–0650.
                                              docket, http://www.regulations.gov.                     completeness, and reliability as well as
                                                                                                      the relationship of the results of the                B. Toxicological Points of Departure/
                                              Comments were received on the notice
                                                                                                      studies to human risk. EPA has also                   Levels of Concern
                                              of filing. EPA’s response to these
                                              comments is discussed in Unit IV.C.                     considered available information                         Once a pesticide’s toxicological
                                                                                                      concerning the variability of the                     profile is determined, EPA identifies
                                              III. Aggregate Risk Assessment and                      sensitivities of major identifiable
                                              Determination of Safety                                                                                       toxicological points of departure (POD)
                                                                                                      subgroups of consumers, including                     and levels of concern to use in
                                                 Section 408(b)(2)(A)(i) of FFDCA                     infants and children.                                 evaluating the risk posed by human
                                                                                                         Isoxaben shows low acute toxicity by               exposure to the pesticide. For hazards
                                              allows EPA to establish a tolerance (the
                                                                                                      all routes. In chronic oral studies, the
                                              legal limit for a pesticide chemical                                                                          that have a threshold below which there
                                                                                                      liver (mouse) and kidney (rat) were
                                              residue in or on a food) only if EPA                                                                          is no appreciable risk, the toxicological
                                                                                                      target organs, and decreased body
                                              determines that the tolerance is ‘‘safe.’’                                                                    POD is used as the basis for derivation
                                                                                                      weight was observed in the rat, mouse,
                                              Section 408(b)(2)(A)(ii) of FFDCA                                                                             of reference values for risk assessment.
                                                                                                      and dog. There was no indication of
                                              defines ‘‘safe’’ to mean that ‘‘there is a                                                                    PODs are developed based on a careful
                                                                                                      neurotoxicity or immunotoxicity. No
                                              reasonable certainty that no harm will                                                                        analysis of the doses in each
                                                                                                      evidence of increased susceptibility was
                                              result from aggregate exposure to the                                                                         toxicological study to determine the
                                                                                                      observed in the rat or rabbit
                                              pesticide chemical residue, including                                                                         dose at which no adverse effects are
                                                                                                      developmental toxicity studies, but was
                                              all anticipated dietary exposures and all                                                                     observed (the NOAEL) and the lowest
                                                                                                      observed in the rat reproductive toxicity
                                              other exposures for which there is                      study only at the limit dose.                         dose at which adverse effects of concern
                                              reliable information.’’ This includes                      Isoxaben is currently classified as                are identified (the LOAEL). Uncertainty/
                                              exposure through drinking water and in                  having ‘‘suggestive evidence of                       safety factors are used in conjunction
                                              residential settings, but does not include              carcinogenic potential,’’ based on the                with the POD to calculate a safe
                                              occupational exposure. Section                          presence of liver tumors in male and                  exposure level—generally referred to as
                                              408(b)(2)(C) of FFDCA requires EPA to                   female mice. Because the tumors were                  a population-adjusted dose (PAD) or a
                                              give special consideration to exposure                  benign and observed at dose levels                    reference dose (RfD)—and a safe margin
                                              of infants and children to the pesticide                exceeding the limit dose of 1,000 mg/kg/              of exposure (MOE). For non-threshold
                                              chemical residue in establishing a                      day and there was low concern for                     risks, the Agency assumes that any
                                              tolerance and to ‘‘ensure that there is a               genotoxicity, the cRfD is considered                  amount of exposure will lead to some
                                              reasonable certainty that no harm will                  protective of potential carcinogenicity               degree of risk. Thus, the Agency
                                              result to infants and children from                     and a quantitative assessment of cancer               estimates risk in terms of the probability
                                              aggregate exposure to the pesticide                     risk was not conducted.                               of an occurrence of the adverse effect
                                              chemical residue. . . . ’’                                 Specific information on the studies                expected in a lifetime. For more
                                                 Consistent with FFDCA section                        received and the nature of the adverse                information on the general principles
                                              408(b)(2)(D), and the factors specified in              effects caused by isoxaben as well as the             EPA uses in risk characterization and a
                                              FFDCA section 408(b)(2)(D), EPA has                     no-observed-adverse-effect-level                      complete description of the risk
                                              reviewed the available scientific data                  (NOAEL) and the lowest-observed-                      assessment process, see http://
                                              and other relevant information in                       adverse-effect-level (LOAEL) from the                 www2.epa.gov/pesticide-science-and-
                                              support of this action. EPA has                         toxicity studies can be found at http://              assessing-pesticide-risks/assessing-
                                              sufficient data to assess the hazards of                www.regulations.gov in the document                   human-health-risk-pesticides.
                                              and to make a determination on                          title ‘‘Isoxaben. Aggregate Human                        A summary of the toxicological
                                              aggregate exposure for isoxaben                         Health Risk Assessment to Support                     endpoints for isoxaben used for human
                                              including exposure resulting from the                   Proposed New Uses on Bushberry                        risk assessment is shown in Table 1 of
                                              tolerances established by this action.                  Subgroup 13–07B and Apple, Crop                       this unit.

                                                   TABLE 1—SUMMARY OF TOXICOLOGICAL DOSES AND ENDPOINTS FOR ISOXABEN FOR USE IN HUMAN HEALTH RISK
                                                                                           ASSESSMENT
                                                                                       Point of departure        RfD, PAD, LOC for
                                                     Exposure/scenario                  and uncertainty/                                                    Study and toxicological effects
                                                                                                                  risk assessment
                                                                                         safety factors

                                              Acute dietary (All populations) ..                                An appropriate endpoint for a single exposure was not identified

                                              Chronic dietary (All populations)      NOAEL = 5.0 mg/kg/         Chronic RfD = 0.05         Chronic combined toxicity/Carcinogenicity (oral)—rat.
                                                                                      day.                        mg/kg/day.               LOAEL = 50.7 mg/kg/day, based on renal toxicity in males.
                                                                                     UFA = 10x                  cPAD = 0.05 mg/kg/
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                                                                                     UFH = 10x                    day.
                                                                                     FQPA SF = 1x




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                                                               Federal Register / Vol. 83, No. 26 / Wednesday, February 7, 2018 / Rules and Regulations                                              5309

                                                   TABLE 1—SUMMARY OF TOXICOLOGICAL DOSES AND ENDPOINTS FOR ISOXABEN FOR USE IN HUMAN HEALTH RISK
                                                                                      ASSESSMENT—Continued
                                                                                       Point of departure        RfD, PAD, LOC for
                                                     Exposure/scenario                  and uncertainty/                                                    Study and toxicological effects
                                                                                                                  risk assessment
                                                                                         safety factors

                                              Incidental oral intermediate-          NOAEL = 200 mg/            LOC for MOE = 100          Reproductive toxicity (oral)—rat.
                                                term (1 to 6 months).                 kg/day.                                              Offspring LOAEL = 1,000 mg/kg/day, based on decreased
                                                                                     UFA = 10x                                               body weight gain in F1 females on day 70, decreased F2 pup
                                                                                     UFH = 10x                                               weights, gestation survival, live pups/litter, and increased in-
                                                                                     FQPA SF = 1x                                            cidence of malformations.
                                                                                                                                           One-year dietary study (co-critical supporting study)—rat.
                                                                                                                                           LOAEL = 625 mg/kg/day, based on decreased body weight
                                                                                                                                             gain in females during the first six months, with a NOAEL of
                                                                                                                                             62.5 mg/kg/day.

                                              Inhalation short-term (1 to 30         NOAEL = 200 mg/            LOC for MOE = 100          Reproductive toxicity (oral)—rat.
                                                days).                                kg/day (inhalation                                   Offspring LOAEL = 1,000 mg/kg/day, based on decreased
                                                                                      toxicity assumed                                       body weight gain in F1 females on day 70, decreased F2 pup
                                                                                      to be equivalent to                                    weights, gestation survival, live pups/litter, and increased in-
                                                                                      oral toxicity).                                        cidence of malformations.
                                                                                     UFA = 10x
                                                                                     UFH = 10x
                                                                                     FQPA SF = 1x

                                              Inhalation intermediate-term (1        NOAEL = 200 mg/            LOC for MOE = 100          Reproductive toxicity (oral)—rat.
                                                to 6 months).                         kg/day (inhalation                                   Offspring LOAEL = 1,000 mg/kg/day, based on decreased
                                                                                      toxicity assumed                                       body weight gain in F1 females on day 70, decreased F2 pup
                                                                                      to be equivalent to                                    weights, gestation survival, live pups/litter, and increased in-
                                                                                      oral toxicity).                                        cidence of malformations.
                                                                                     UFA = 10x                                             One-year dietary study (co-critical supporting study)—rat.
                                                                                     UFH = 10x                                             LOAEL = 625 mg/kg/day, based on decreased body weight
                                                                                     FQPA SF = 1x                                            gain in females during the first six months, with a NOAEL of
                                                                                                                                             62.5 mg/kg/day.

                                              Cancer (Oral, dermal, inhala-          ‘‘Suggestive Evidence of Carcinogenic Potential,’’ based on increased incidence of hepatocellular adenomas in
                                                tion).                                 male and female mice. Quantitative assessment of cancer risk using a cancer potency factor is not required.
                                                                                                                 The chronic RfD is protective of potential cancer risk.
                                                FQPA SF = Food Quality Protection Act Safety Factor. LOAEL = lowest-observed-adverse-effect-level. LOC = level of concern. mg/kg/day =
                                              milligram/kilogram/day. MOE = margin of exposure. NOAEL = no-observed-adverse-effect-level. PAD = population adjusted dose (a = acute, c =
                                              chronic). RfD = reference dose. UF = uncertainty factor. UFA = extrapolation from animal to human (interspecies). UFH = potential variation in
                                              sensitivity among members of the human population (intraspecies).


                                              C. Exposure Assessment                                  WWEIA). As to residue levels in food,                 http://www2.epa.gov/pesticide-science-
                                                 1. Dietary exposure from food and                    EPA assumed tolerance-level residues                  and-assessing-pesticide-risks/about-
                                              feed uses. In evaluating dietary                        and 100 percent crop treated (PCT).                   water-exposure-models-used-pesticide.
                                              exposure to isoxaben, EPA considered                       iii. Cancer. Based on the data                        Based on the Surface Water
                                              exposure under the petitioned-for                       summarized in Unit III.A., EPA has                    Concentration Calculator (SWCC
                                              tolerances as well as all existing                      concluded that a nonlinear RfD                        v1.106) and Pesticide Root Zone Model
                                              isoxaben tolerances in 40 CFR 180.650.                  approach is appropriate for assessing                 Ground Water (PRZM GW), the
                                              EPA assessed dietary exposures from                     cancer risk to isoxaben. Cancer risk was              estimated drinking water concentrations
                                              isoxaben in food as follows:                            assessed using the same exposure                      (EDWCs) of isoxaben for chronic
                                                 i. Acute exposure. Quantitative acute                estimates as discussed in Unit III.C.1.ii.            exposures are estimated to be 43.6 parts
                                              dietary exposure and risk assessments                      iv. Anticipated residue and PCT                    per billion (ppb) for surface water and
                                              are performed for a food-use pesticide,                 information. EPA did not use                          909 ppb for ground water.
                                              if a toxicological study has indicated the              anticipated residue or PCT information
                                                                                                      in the dietary assessment for isoxaben.                  Modeled estimates of drinking water
                                              possibility of an effect of concern
                                                                                                      Tolerance-level residues and 100 PCT                  concentrations were directly entered
                                              occurring as a result of a 1-day or single
                                                                                                      were assumed for all food commodities.                into the dietary exposure model. For the
                                              exposure.
                                                                                                                                                            chronic dietary risk assessment, the
                                                 No such effects were identified in the                  2. Dietary exposure from drinking
                                                                                                                                                            water concentration value of 909 ppb
                                              toxicological studies for isoxaben;                     water. The Agency used screening-level
                                                                                                                                                            was used to assess the contribution to
                                              therefore, a quantitative acute dietary                 water exposure models in the dietary
                                              exposure assessment is unnecessary.                     exposure analysis and risk assessment                 drinking water.
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                                                 ii. Chronic exposure. In conducting                  for isoxaben in drinking water. These                    3. From non-dietary exposure. The
                                              the chronic dietary exposure assessment                 simulation models take into account                   term ‘‘residential exposure’’ is used in
                                              EPA used 2003–2008 food consumption                     data on the physical, chemical, and fate/             this document to refer to non-
                                              data from the US Department of                          transport characteristics of isoxaben.                occupational, non-dietary exposure
                                              Agriculture’s (USDA’s) National Health                  Further information regarding EPA                     (e.g., for lawn and garden pest control,
                                              and Nutrition Examination Survey,                       drinking water models used in pesticide               indoor pest control, termiticides, and
                                              What We Eat in America (NHANES/                         exposure assessment can be found at                   flea and tick control on pets).


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                                              5310             Federal Register / Vol. 83, No. 26 / Wednesday, February 7, 2018 / Rules and Regulations

                                                 Isoxaben is currently registered for the             science-and-assessing-pesticide-risks/                   ii. There is no indication that
                                              following uses that could result in                     standard-operating-procedures-                        isoxaben is a neurotoxic chemical and
                                              residential exposures: Residential turf.                residential-pesticide.                                there is no need for a developmental
                                              EPA assessed residential exposure using                    4. Cumulative effects from substances              neurotoxicity study or additional UFs to
                                              the following assumptions: Isoxaben                     with a common mechanism of toxicity.                  account for neurotoxicity.
                                              residential uses constitute short- and                  Section 408(b)(2)(D)(v) of FFDCA                         iii. No evidence of increased
                                              intermediate-term exposure scenarios.                   requires that, when considering whether               susceptibility was observed in the rat or
                                              For residential handlers, since a dermal                to establish, modify, or revoke a                     rabbit developmental toxicity studies,
                                              endpoint was not selected, the only                     tolerance, the Agency consider                        but was observed in the rat reproductive
                                              route of exposure quantitatively                        ‘‘available information’’ concerning the              toxicity study only at the limit dose;
                                              assessed for adult handlers is through                  cumulative effects of a particular                    however, this risk assessment is
                                              inhalation. For post-application                        pesticide’s residues and ‘‘other                      protective of the susceptibility observed
                                              exposures, only intermediate-term                       substances that have a common                         at the limit dose in the reproductive
                                              incidental oral exposures for children                  mechanism of toxicity.’’                              toxicity study.
                                              were assessed due to the persistence of                    EPA has not found isoxaben to share                   iv. There are no residual uncertainties
                                              isoxaben residues in soil. Neither a                    a common mechanism of toxicity with                   identified in the exposure databases.
                                              short-term dermal nor short-term                        any other substances, and isoxaben does               The dietary food exposure assessments
                                              incidental oral endpoint was selected                   not appear to produce a toxic metabolite              were performed based on 100 PCT and
                                              for children. Although there is potential               produced by other substances. For the                 tolerance-level residues. EPA made
                                              for post-application inhalation exposure                purposes of this tolerance action,                    conservative (protective) assumptions in
                                              of both adults and children, the                        therefore, EPA has assumed that                       the ground and surface water modeling
                                              estimated exposure is anticipated to be                 isoxaben does not have a common                       used to assess exposure to isoxaben in
                                              negligible; therefore, a quantitative post-             mechanism of toxicity with other                      drinking water. EPA used similarly
                                              application inhalation assessment was                   substances. For information regarding                 conservative assumptions to assess post-
                                              not required.                                           EPA’s efforts to determine which                      application exposure of children as well
                                                 For the purpose of performing an                     chemicals have a common mechanism                     as incidental oral exposure of toddlers.
                                              aggregate assessment, the Agency                        of toxicity and to evaluate the                       These assessments will not
                                              selected only the most conservative, or                 cumulative effects of such chemicals,                 underestimate the exposure and risks
                                              worst-case, residential adult and child                 see EPA’s website at http://                          posed by isoxaben.
                                              scenarios to be included in the                         www2.epa.gov/pesticide-science-and-
                                                                                                                                                            E. Aggregate Risks and Determination of
                                              aggregate, based on the lowest overall                  assessing-pesticide-risks/cumulative-
                                                                                                                                                            Safety
                                              MOE (highest exposure estimates). For                   assessment-risk-pesticides.
                                              adults, handler inhalation exposure                                                                              EPA determines whether acute and
                                                                                                      D. Safety Factor for Infants and                      chronic dietary pesticide exposures are
                                              resulting from the application of a
                                                                                                      Children                                              safe by comparing aggregate exposure
                                              granular formulation of isoxaben to
                                              residential lawns via push-type spreader                  1. In general. Section 408(b)(2)(C) of              estimates to the acute PAD (aPAD) and
                                              has been used to estimate adult                         FFDCA provides that EPA shall apply                   chronic PAD (cPAD). For linear cancer
                                              aggregate exposure. (The inhalation                     an additional tenfold (10X) margin of                 risks, EPA calculates the lifetime
                                              exposure was added to background                        safety for infants and children in the                probability of acquiring cancer given the
                                              exposure from food and water, and                       case of threshold effects to account for              estimated aggregate exposure. Short-,
                                              compared to the short-term inhalation                   prenatal and postnatal toxicity and the               intermediate-, and chronic-term risks
                                              POD.) Post-application risks for adults                 completeness of the database on toxicity              are evaluated by comparing the
                                              in residential settings were not assessed               and exposure unless EPA determines                    estimated aggregate food, water, and
                                              due to the lack of a dermal endpoint.                   based on reliable data that a different               residential exposure to the appropriate
                                                 For children, an intermediate-term                   margin of safety will be safe for infants             PODs to ensure that an adequate MOE
                                              aggregate assessment was conducted by                   and children. This additional margin of               exists.
                                              adding the incidental soil ingestion                    safety is commonly referred to as the                    1. Acute risk. An acute aggregate risk
                                              exposure, and average food and water                    FQPA Safety Factor (SF). In applying                  assessment takes into account acute
                                              exposure (chronic dietary exposure).                    this provision, EPA either retains the                exposure estimates from dietary
                                              The incidental oral residential exposure                default value of 10X, or uses a different             consumption of food and drinking
                                              value selected for the aggregate analysis               additional safety factor when reliable                water. No adverse effect resulting from
                                              is based on children ingesting soil                     data available to EPA support the choice              a single oral exposure was identified
                                              particles containing pesticide residues                 of a different factor.                                and no acute dietary endpoint was
                                              while playing on treated turf. Due to the                 2. Prenatal and postnatal sensitivity.              selected. Therefore, isoxaben is not
                                              persistence of isoxaben in the soil, the                No evidence of increased susceptibility               expected to pose an acute risk.
                                              Agency used a conservative approach by                  was observed in the rat or rabbit                        2. Chronic risk. Using the exposure
                                              using the maximum seasonal                              developmental toxicity studies, but was               assumptions described in this unit for
                                              application rate for estimating soil                    observed in the rat reproductive toxicity             chronic exposure, EPA has concluded
                                              ingestion by children rather than the                   study only at the limit dose.                         that chronic exposure to isoxaben from
                                              standard maximum single application                       3. Conclusion. EPA has determined                   food and water will utilize 98% of the
                                              rate. This scenario resulted in the                     that reliable data show the safety of                 cPAD for all infants less than 1-year old,
                                              highest calculated exposure levels;                     infants and children would be                         the population group receiving the
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                                              therefore, it is protective for all other               adequately protected if the FQPA SF                   greatest exposure. Based on the
                                              oral post-application exposure and risk                 were reduced to 1X. That decision is                  explanation in Unit III.C.3., regarding
                                              for children in residential settings.                   based on the following findings:                      residential use patterns, chronic
                                                 Further information regarding EPA                      i. The toxicity database for isoxaben is            residential exposure to residues of
                                              standard assumptions and generic                        adequately complete to allow the                      isoxaben is not expected.
                                              inputs for residential exposures may be                 Agency to assess the toxicological                       3. Short-term risk. Short-term
                                              found at http://www2.epa.gov/pesticide-                 profile of isoxaben.                                  aggregate exposure takes into account


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                                                               Federal Register / Vol. 83, No. 26 / Wednesday, February 7, 2018 / Rules and Regulations                                         5311

                                              short-term residential exposure plus                    02.26), is available for enforcement of               V. Conclusion
                                              chronic exposure to food and water                      isoxaben residues in crop commodities.                  Therefore, tolerances are established
                                              (considered to be a background                             The method may be requested from:                  for residues of isoxaben including its
                                              exposure level).                                        Chief, Analytical Chemistry Branch,                   metabolites and degradates, in or on
                                                 Isoxaben is currently registered for                 Environmental Science Center, 701                     apple at 0.01 ppm; the bushberry
                                              uses that could result in short-term                    Mapes Rd., Ft. Meade, MD 20755–5350;                  subgroup 13–07B at 0.01 ppm; the fruit,
                                              residential exposure, and the Agency                    telephone number: (410) 305–2905;                     small, vine climbing, except fuzzy
                                              has determined that it is appropriate to                email address: residuemethods@                        kiwifruit, subgroup 13–07F at 0.01 ppm;
                                              aggregate chronic exposure through food                 epa.gov.                                              and the nut, tree, group 14–12 at 0.02
                                              and water with short-term residential                                                                         ppm. In addition, the following existing
                                              exposures to isoxaben.                                  B. International Residue Limits
                                                                                                                                                            tolerances are removed since they are
                                                 Using the exposure assumptions                                                                             superseded by the new tolerances:
                                                                                                        In making its tolerance decisions, EPA
                                              described in this unit for short-term                                                                         Grape, nut, tree, group 14; and
                                                                                                      seeks to harmonize U.S. tolerances with
                                              exposures, EPA has concluded the                                                                              pistachio.
                                                                                                      international standards whenever
                                              combined short-term food, water, and
                                                                                                      possible, consistent with U.S. food                   VI. Statutory and Executive Order
                                              residential exposures result in an
                                                                                                      safety standards and agricultural                     Reviews
                                              aggregate MOE of 6,700 for females 13–
                                                                                                      practices. EPA considers the
                                              49 years old. Because EPA’s level of                                                                             This action establishes tolerances
                                                                                                      international maximum residue limits
                                              concern for isoxaben is a MOE of 100 or                                                                       under FFDCA section 408(d) in
                                                                                                      (MRLs) established by the Codex
                                              below, this MOE is not of concern.                                                                            response to a petition submitted to the
                                                                                                      Alimentarius Commission (Codex), as
                                                 4. Intermediate-term risk.                                                                                 Agency. The Office of Management and
                                                                                                      required by FFDCA section 408(b)(4).
                                              Intermediate-term aggregate exposure                                                                          Budget (OMB) has exempted these types
                                                                                                      The Codex Alimentarius is a joint
                                              takes into account intermediate-term                                                                          of actions from review under Executive
                                                                                                      United Nations Food and Agriculture
                                              residential exposure plus chronic                                                                             Order 12866, entitled ‘‘Regulatory
                                                                                                      Organization/World Health
                                              exposure to food and water (considered                                                                        Planning and Review’’ (58 FR 51735,
                                                                                                      Organization food standards program,
                                              to be a background exposure level).                                                                           October 4, 1993). Because this action
                                                 Isoxaben is currently registered for                 and it is recognized as an international
                                                                                                      food safety standards-setting                         has been exempted from review under
                                              uses that could result in intermediate-                                                                       Executive Order 12866, this action is
                                              term residential exposure, and the                      organization in trade agreements to
                                                                                                      which the United States is a party. EPA               not subject to Executive Order 13211,
                                              Agency has determined that it is                                                                              entitled ‘‘Actions Concerning
                                              appropriate to aggregate chronic                        may establish a tolerance that is
                                                                                                      different from a Codex MRL; however,                  Regulations That Significantly Affect
                                              exposure through food and water with                                                                          Energy Supply, Distribution, or Use’’ (66
                                              intermediate-term residential exposures                 FFDCA section 408(b)(4) requires that
                                                                                                      EPA explain the reasons for departing                 FR 28355, May 22, 2001); Executive
                                              to isoxaben.                                                                                                  Order 13045, entitled ‘‘Protection of
                                                 Using the exposure assumptions                       from the Codex level.
                                                                                                                                                            Children from Environmental Health
                                              described in this unit for intermediate-                  The Codex has not established any
                                                                                                                                                            Risks and Safety Risks’’ (62 FR 19885,
                                              term exposures, EPA has concluded that                  MRLs for isoxaben.
                                                                                                                                                            April 23, 1997); or Executive Order
                                              the combined intermediate-term food,                    C. Response to Comments                               13771, entitled ‘‘Reducing Regulations
                                              water, and residential exposures result                                                                       and Controlling Regulatory Costs’’ (82
                                              in an aggregate MOE of 7,200 for                          Seven comments were received in                     FR 9339, February 3, 2017). This action
                                              children 1–2 years old. Because EPA’s                   response to the notice of filing. All of              does not contain any information
                                              level of concern for isoxaben is a MOE                  the comments were general in nature,                  collections subject to OMB approval
                                              of 100 or below, this MOE is not of                     not specific to the chemical isoxaben.                under the Paperwork Reduction Act
                                              concern.                                                They included statements such as ‘‘I am               (PRA) (44 U.S.C. 3501 et seq.), nor does
                                                 5. Aggregate cancer risk for U.S.                    not in favor of relaxing requirements on              it require any special considerations
                                              population. Based on the discussion in                  pesticides,’’ ‘‘I am opposed to this                  under Executive Order 12898, entitled
                                              Unit III.A., EPA considers the chronic                  proposal,’’ and ‘‘My body doesn’t live                ‘‘Federal Actions to Address
                                              aggregate risk assessment to be                         well on pesticides.’’                                 Environmental Justice in Minority
                                              protective of any aggregate cancer risk.                  The Agency recognizes that some                     Populations and Low-Income
                                              As there is no chronic risk of concern,                 individuals believe that pesticides                   Populations’’ (59 FR 7629, February 16,
                                              EPA does not expect any cancer risk to                  should be banned on agricultural crops;               1994).
                                              the U.S. population from aggregate                      however, the existing legal framework                    Since tolerances and exemptions that
                                              exposure to isoxaben.                                   provided by section 408 of the Federal                are established on the basis of a petition
                                                 6. Determination of safety. Based on                 Food, Drug and Cosmetic Act (FFDCA)                   under FFDCA section 408(d), such as
                                              these risk assessments, EPA concludes                   states that tolerances may be set when                the tolerance in this final rule, do not
                                              that there is a reasonable certainty that               persons seeking such tolerances or                    require the issuance of a proposed rule,
                                              no harm will result to the general                      exemptions have demonstrated that the                 the requirements of the Regulatory
                                              population, or to infants and children,                 pesticide meets the safety standard                   Flexibility Act (RFA) (5 U.S.C. 601 et
                                              from aggregate exposure to isoxaben                     imposed by that statute. These citizens’              seq.), do not apply.
                                              residues.                                               comments appear to be directed at the                    This action directly regulates growers,
                                              IV. Other Considerations                                underlying statute and not EPA’s                      food processors, food handlers, and food
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                                                                                                      implementation of it; the citizens have               retailers, not States or tribes, nor does
                                              A. Analytical Enforcement Methodology                   made no contention that EPA has acted                 this action alter the relationships or
                                                An adequate residue analytical                        in violation of the statutory framework               distribution of power and
                                              method (RAM) utilizing liquid                           nor have they provided any specific                   responsibilities established by Congress
                                              chromatography with tandem mass                         information or allegation that would                  in the preemption provisions of FFDCA
                                              spectrometric detection (LC/MS/MS),                     support a finding that these tolerances               section 408(n)(4). As such, the Agency
                                              GRM 02.26.S.1 (a revision of GRM                        are unsafe.                                           has determined that this action will not


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                                              5312             Federal Register / Vol. 83, No. 26 / Wednesday, February 7, 2018 / Rules and Regulations

                                              have a substantial direct effect on States                                                              Parts per     Environmental Protection Agency, 1200
                                                                                                                   Commodity
                                              or tribal governments, on the                                                                            million      Pennsylvania Ave. NW, Washington, DC
                                              relationship between the national                                                                                     20460–0001; main telephone number:
                                              government and the States or tribal                     Almond, hulls ........................                 0.40   (703) 305–7090; email address:
                                              governments, or on the distribution of                  Apple .....................................            0.01   RDFRNotices@epa.gov.
                                                                                                      Bushberry subgroup 13–07B                              0.01
                                              power and responsibilities among the                    Fruit, small, vine climbing,                                  SUPPLEMENTARY INFORMATION:
                                              various levels of government or between                   except fuzzy kiwifruit, sub-
                                              the Federal Government and Indian                                                                                     I. General Information
                                                                                                        group 13–07F ....................                    0.01
                                              tribes. Thus, the Agency has determined                 Nut, tree, group 14–12 .........                       0.02   A. Does this action apply to me?
                                              that Executive Order 13132, entitled
                                                                                                                                                                       You may be potentially affected by
                                              ‘‘Federalism’’ (64 FR 43255, August 10,                 *        *        *        *         *
                                                                                                                                                                    this action if you are an agricultural
                                              1999) and Executive Order 13175,                        [FR Doc. 2018–02346 Filed 2–6–18; 8:45 am]
                                                                                                                                                                    producer, food manufacturer, or
                                              entitled ‘‘Consultation and Coordination                BILLING CODE 6560–50–P
                                                                                                                                                                    pesticide manufacturer. The following
                                              with Indian Tribal Governments’’ (65 FR
                                                                                                                                                                    list of North American Industrial
                                              67249, November 9, 2000) do not apply
                                                                                                      ENVIRONMENTAL PROTECTION                                      Classification System (NAICS) codes is
                                              to this action. In addition, this action
                                                                                                      AGENCY                                                        not intended to be exhaustive, but rather
                                              does not impose any enforceable duty or
                                                                                                                                                                    provides a guide to help readers
                                              contain any unfunded mandate as
                                                                                                      40 CFR Part 180                                               determine whether this document
                                              described under Title II of the Unfunded
                                                                                                                                                                    applies to them. Potentially affected
                                              Mandates Reform Act (UMRA) (2 U.S.C.                    [EPA–HQ–OPP–2015–0629; FRL–9972–66]                           entities may include:
                                              1501 et seq.).
                                                                                                      Fomesafen; Pesticide Tolerances                                  • Crop production (NAICS code 111).
                                                 This action does not involve any                                                                                      • Animal production (NAICS code
                                              technical standards that would require                  AGENCY:  Environmental Protection                             112).
                                              Agency consideration of voluntary                       Agency (EPA).                                                    • Food manufacturing (NAICS code
                                              consensus standards pursuant to section                 ACTION: Final rule.                                           311).
                                              12(d) of the National Technology                                                                                         • Pesticide manufacturing (NAICS
                                              Transfer and Advancement Act                            SUMMARY:   This regulation establishes                        code 32532).
                                              (NTTAA) (15 U.S.C. 272 note).                           tolerances for residues of fomesafen in
                                                                                                                                                                    B. How can I get electronic access to
                                                                                                      or on the tuberous and corm vegetable
                                              VII. Congressional Review Act                                                                                         other related information?
                                                                                                      subgroup 1C, the legume vegetable
                                                Pursuant to the Congressional Review                  group 6, and the low growing berry                               You may access a frequently updated
                                              Act (5 U.S.C. 801 et seq.), EPA will                    subgroup 13–07G (except cranberry).                           electronic version of EPA’s tolerance
                                              submit a report containing this rule and                Interregional Research Project Number 4                       regulations at 40 CFR part 180 through
                                              other required information to the U.S.                  (IR–4) requested these tolerances under                       the Government Printing Office’s e-CFR
                                              Senate, the U.S. House of                               the Federal Food, Drug, and Cosmetic                          site at http://www.ecfr.gov/cgi-bin/text-
                                              Representatives, and the Comptroller                    Act (FFDCA).                                                  idx?&c=ecfr&tpl=/ecfrbrowse/Title40/
                                              General of the United States prior to                   DATES: This regulation is effective                           40tab_02.tpl.
                                              publication of the rule in the Federal                  February 7, 2018. Objections and                              C. How can I file an objection or hearing
                                              Register. This action is not a ‘‘major                  requests for hearings must be received                        request?
                                              rule’’ as defined by 5 U.S.C. 804(2).                   on or before April 9, 2018, and must be
                                                                                                      filed in accordance with the instructions                       Under FFDCA section 408(g), 21
                                              List of Subjects in 40 CFR Part 180                     provided in 40 CFR part 178 (see also                         U.S.C. 346a, any person may file an
                                                                                                      Unit I.C. of the SUPPLEMENTARY                                objection to any aspect of this regulation
                                                Environmental protection,                                                                                           and may also request a hearing on those
                                              Administrative practice and procedure,                  INFORMATION).
                                                                                                                                                                    objections. You must file your objection
                                              Agricultural commodities, Pesticides                    ADDRESSES:    The docket for this action,                     or request a hearing on this regulation
                                              and pests, Reporting and recordkeeping                  identified by docket identification (ID)                      in accordance with the instructions
                                              requirements.                                           number EPA–HQ–OPP–2015–0629, is                               provided in 40 CFR part 178. To ensure
                                                 Dated: January 19, 2018.                             available at http://www.regulations.gov                       proper receipt by EPA, you must
                                              Donna S. Davis,
                                                                                                      or at the Office of Pesticide Programs                        identify docket ID number EPA–HQ–
                                                                                                      Regulatory Public Docket (OPP Docket)                         OPP–2015–0629 in the subject line on
                                              Acting Director, Registration Division, Office
                                                                                                      in the Environmental Protection Agency                        the first page of your submission. All
                                              of Pesticide Programs.
                                                                                                      Docket Center (EPA/DC), West William                          objections and requests for a hearing
                                                Therefore, 40 CFR chapter I is                        Jefferson Clinton Bldg., Rm. 3334, 1301                       must be in writing, and must be
                                              amended as follows:                                     Constitution Ave. NW, Washington, DC                          received by the Hearing Clerk on or
                                                                                                      20460–0001. The Public Reading Room                           before April 9, 2018. Addresses for mail
                                              PART 180—[AMENDED]                                      is open from 8:30 a.m. to 4:30 p.m.,                          and hand delivery of objections and
                                                                                                      Monday through Friday, excluding legal                        hearing requests are provided in 40 CFR
                                              ■ 1. The authority citation for part 180                holidays. The telephone number for the                        178.25(b).
                                              continues to read as follows:                           Public Reading Room is (202) 566–1744,                          In addition to filing an objection or
                                                  Authority: 21 U.S.C. 321(q), 346a and 371.
                                                                                                      and the telephone number for the OPP                          hearing request with the Hearing Clerk
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                                                                                                      Docket is (703) 305–5805. Please review                       as described in 40 CFR part 178, please
                                              ■ 2. In § 180.650, revise the table in                  the visitor instructions and additional                       submit a copy of the filing (excluding
                                              paragraph (a) to read as follows:                       information about the docket available                        any Confidential Business Information
                                                                                                      at http://www.epa.gov/dockets.                                (CBI)) for inclusion in the public docket.
                                              § 180.650 Isoxaben; tolerances for                      FOR FURTHER INFORMATION CONTACT:                              Information not marked confidential
                                              residues.
                                                                                                      Michael Goodis, Registration Division                         pursuant to 40 CFR part 2 may be
                                                  (a) * * *                                           (7505P), Office of Pesticide Programs,                        disclosed publicly by EPA without prior


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Document Created: 2018-10-26 13:55:15
Document Modified: 2018-10-26 13:55:15
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule.
DatesThis regulation is effective February 7, 2018. Objections and requests for hearings must be received on or before April 9, 2018, and must be filed in accordance with the instructions provided in 40 CFR part 178 (see also Unit I.C. of the SUPPLEMENTARY INFORMATION).
ContactMichael Goodis, Registration Division (7505P), Office of Pesticide Programs, Environmental Protection Agency, 1200 Pennsylvania Ave. NW, Washington, DC 20460-0001; main telephone
FR Citation83 FR 5307 
CFR AssociatedEnvironmental Protection; Administrative Practice and Procedure; Agricultural Commodities; Pesticides and Pests and Reporting and Recordkeeping Requirements

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