Document ID: EPA-HQ-OPP-2008-0262-0003
Agency: epa
Document Type: Rule
Title: Spiromesifen; Pesticide Tolerances
Posted Date: 2008-09-10T04:00Z

[Federal Register: September 10, 2008 (Volume 73, Number 176)]
[Rules and Regulations]               
[Page 52603-52607]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr10se08-10]                         

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 180

[EPA-HQ-OPP-2008-0262; FRL-8379-8]

 
Spiromesifen; Pesticide Tolerances

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: This regulation revises the tolerances for combined residues 
of spiromesifen and its enol metabolite in or on corn. Bayer 
CropScience requested these tolerances under the Federal Food, Drug, 
and Cosmetic Act (FFDCA).

DATES: This regulation is effective September 10, 2008. Objections and 
requests for hearings must be received on or before November 10, 2008, 
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: EPA has established a docket for this action under docket 
identification (ID) number EPA-HQ-OPP-2008-0262. All documents in the 
docket are listed in the docket index available at http://
www.regulations.gov. Although listed in the index, some information is 
not publicly available, e.g., Confidential Business Information (CBI) 
or other information whose disclosure is restricted by statute. Certain 
other material, such as copyrighted material, is not placed on the 
Internet and will be publicly available only in hard copy form. 
Publicly available docket materials are available in the electronic 
docket at http://www.regulations.gov, or, if only available in hard 
copy, at the OPP Regulatory Public Docket in Rm. S-4400, One Potomac 
Yard (South Bldg.), 2777 S. Crystal Dr., Arlington, VA. The Docket 
Facility is open from 8:30 a.m. to 4 p.m., Monday through Friday, 
excluding legal holidays. The Docket Facility telephone number is (703) 
305-5805.

FOR FURTHER INFORMATION CONTACT: Amer Al-Mudallal, Registration 
Division (7505P), Office of Pesticide Programs, Environmental 
Protection Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-
0001; telephone number: (703) 605-0566; e-mail address: al-
mudallal.amer@epa.gov.

SUPPLEMENTARY INFORMATION:

I. General Information

A. Does This Action Apply to Me?

    You may be potentially affected by this action if you are an 
agricultural producer, food manufacturer, or pesticide manufacturer. 
Potentially affected entities may include, but are not limited to those 
engaged in the following activities:
     Crop production (NAICS code 111).
     Animal production (NAICS code 112).
     Food manufacturing (NAICS code 311).
     Pesticide manufacturing (NAICS code 32532).
    This listing is not intended to be exhaustive, but rather to 
provide a guide for readers regarding entities likely to be affected by 
this action. Other types of entities not listed in this unit could also 
be affected. The North American Industrial Classification System 
(NAICS) codes have been provided to assist you and others in 
determining whether this action might apply to certain entities. If you 
have any questions regarding the applicability of this action to a 
particular entity, consult the person listed under FOR FURTHER 
INFORMATION CONTACT.

B. How Can I Access Electronic Copies of This Document?

    In addition to accessing electronically available documents at 
http://www.regulations.gov, you may access this Federal Register 
document electronically through the EPA Internet under the ``Federal 
Register'' listings at http://www.epa.gov/fedrgstr. You may also access 
a frequently updated electronic version of EPA's tolerance regulations 
at 40 CFR part 180 through the Government Printing Office's pilot e-CFR 
site at http://www.gpoaccess.gov/ecfr.

C. Can I File an Objection or Hearing Request?

    Under section 408(g) of FFDCA, 21 U.S.C. 346a, any person may file 
an objection to any aspect of this regulation and may also request a 
hearing on those objections. You must file your objection or request a 
hearing on this regulation in accordance with the instructions provided 
in 40 CFR part 178. To ensure proper receipt by EPA, you must identify 
docket ID number EPA-HQ-OPP-2008-0262 in the subject line on the first 
page of your submission. All requests must be in writing, and must be 
mailed or delivered to the Hearing Clerk as required by 40 CFR part 178 
on or before November 10, 2008.
    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 that does not contain any CBI for inclusion in the public 
docket that is described in ADDRESSES. Information not marked 
confidential pursuant to 40 CFR part 2 may be disclosed publicly by EPA 
without prior notice. Submit this copy, identified by docket ID number 
EPA-HQ-OPP-2008-0262, by one of the following methods:
     Federal eRulemaking Portal: http://www.regulations.gov. 
Follow the on-line instructions for submitting comments.
     Mail: Office of Pesticide Programs (OPP) Regulatory Public 
Docket (7502P), Environmental Protection Agency, 1200 Pennsylvania 
Ave., NW., Washington, DC 20460-0001.
     Delivery: OPP Regulatory Public Docket (7502P), 
Environmental Protection Agency, Rm. S-4400, One Potomac Yard (South 
Bldg.), 2777 S. Crystal Dr., Arlington, VA. Deliveries are only 
accepted during the Docket Facility's normal hours of operation (8:30 
a.m. to 4 p.m., Monday through Friday, excluding legal holidays). 
Special arrangements should be made for deliveries of boxed 
information. The Docket Facility telephone number is (703) 305-5805.

II. Petition for Tolerance

    In the Federal Register of May 16, 2008 (73 FR 28461) (FRL-8361-6), 
EPA issued a notice pursuant to section 408(d)(3) of FFDCA, 21 U.S.C. 
346a(d)(3), announcing the filing of a pesticide petition (PP 7F7274) 
by Bayer CropScience, P. O. Box 12014, 2 T. W. Alexander Drive, 
Research Triangle Park, NC 27709. The petition requested that 40 CFR 
180.607 be amended by increasing tolerances for combined residues of 
the insecticide/miticide spiromesifen in or on corn, field, forage from 
3.0 ppm to 6.0 ppm. That notice referenced a summary of the petition 
prepared by Bayer CropScience, the registrant, which is available to 
the public in the docket, http://www.regulations.gov. There were no 
comments received in response to the notice of filing.
    Based upon review of the data supporting the petition, EPA has 
revised

[[Page 52604]]

the tolerances for combined residues of spiromesifen in or on corn, 
field, forage and in/on corn, field, stover. For more details, see Unit 
IV.C.

III. Aggregate Risk Assessment and Determination of Safety

    Section 408(b)(2)(A)(i) of FFDCA allows EPA to amend 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 section 408(b)(2)(D) of FFDCA, and the factors 
specified in section 408(b)(2)(D) of FFDCA, 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 the petitioned-for 
tolerances for combined residues of spiromesifen and its enol 
metabolite on corn, field, forage at 5.0 ppm and corn, field, stover at 
8.0 ppm. EPA's assessment of exposures and risks associated with 
establishing tolerances 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. Specific information on the studies received and the nature 
of the adverse effects caused by spiromesifen 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 document Spiromesifen HED Risk Assessment for 
Use on Field Corn and Tomatoes, pages 13-20 in docket ID number EPA-HQ-
OPP-2008-0262.

B. Toxicological Endpoints

    For hazards that have a threshold below which there is no 
appreciable risk, a toxicological point of departure (POD) is 
identified as the basis for derivation of reference values for risk 
assessment. The POD may be defined as the highest dose at which no 
adverse effects are observed (the NOAEL) in the toxicology study 
identified as appropriate for use in risk assessment. However, if a 
NOAEL cannot be determined, the lowest dose at which adverse effects of 
concern are identified (the LOAEL) or a Benchmark Dose (BMD) approach 
is sometimes used for risk assessment. Uncertainty/safety factors (UFs) 
are used in conjunction with the POD to take into account uncertainties 
inherent in the extrapolation from laboratory animal data to humans and 
in the variations in sensitivity among members of the human population 
as well as other unknowns. Safety is assessed for acute and chronic 
dietary risks by comparing aggregate food and water exposure to the 
pesticide to the acute population adjusted dose (aPAD) and chronic 
population adjusted dose (cPAD). The aPAD and cPAD are calculated by 
dividing the POD by all applicable UFs. Aggregate short-, intermediate-
, and chronic-term risks are evaluated by comparing food, water, and 
residential exposure to the POD to ensure that the margin of exposure 
(MOE) called for by the product of all applicable UFs is not exceeded. 
This latter value is referred to as the Level of Concern (LOC).
    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 
greater than that 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://www.epa.gov/
pesticides/factsheets/riskassess.htm.
    A summary of the toxicological endpoints for spiromesifen used for 
human risk assessment can be found at http://www.regulations.gov in 
document Spiromesifen HED Risk Assessment for Use on Field Corn and 
Tomatoes, page 21 in docket ID number EPA-HQ-OPP-2008-0262.

C. Exposure Assessment

    1. Dietary exposure from food and feed uses. In evaluating dietary 
exposure to spiromesifen, EPA considered exposure under the petitioned-
for tolerances as well as all existing spiromesifen tolerances in (40 
CFR 180.607). EPA assessed dietary exposures from spiromesifen 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 
spiromesifen; therefore, a quantitative acute dietary exposure 
assessment is unnecessary.
    ii. Chronic exposure. In conducting the chronic dietary exposure 
assessment, EPA used the Dietary Exposure Evaluation Model software 
with the Food Commodity Intake Database (DEEM-FCID\TM\), which 
incorporates food consumption data as reported by respondents in the 
USDA 1994-1996 and 1998 Nationwide Continuing Surveys of Food Intake by 
Individuals (CSFII), and accumulated exposure to the chemical for each 
commodity. The following assumptions were made for the chronic exposure 
assessments:
    a. Established/recommended tolerances for all plant and livestock 
except the leafy-green and leafy-Brassica vegetable subgroups;
    b. EPA calculated residues of concern (parent and metabolites) for 
the leafy-green and leafy-Brassica vegetable subgroup;
    c. 100 Percent Crop Treated (PCT) information for all proposed and 
existing uses; and
    d. DEEM\TM\ Version 7.81 default processing factors for all 
commodities. The metabolism studies show that the hydroxymethyl 
metabolite is formed along with the enol metabolite only in the leafy-
green and leafy-Brassica vegetable subgroups. EPA determined that these 
two metabolites along with spiromesifen should be included in the 
chronic dietary risk assessment for these crops. Residue data are 
unavailable for the 4-hydroxymethyl metabolite; to account for this 
metabolite in the risk assessment, the recommended tolerance levels for 
these crops was multiplied by a correction factor of 1.3X, where 1.3 = 
metabolites in risk assessment (ppm)/metabolites in tolerance 
expression (ppm).
    iii. Cancer. A cancer exposure assessment was not performed because 
spiromesifen is classified as ``not likely to be carcinogenic to 
humans.''
    iv. Anticipated residue and PCT information. EPA did not use 
anticipated residue and/or PCT

[[Page 52605]]

information in the dietary assessment for spiromesifen. Tolerance level 
residues and/or 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 spiromesifen in drinking water. These simulation models 
take into account data on the physical, chemical, and fate/transport 
characteristics of spiromesifen. Further information regarding EPA's 
drinking water models used in pesticide exposure assessment can be 
found at http://www.epa.gov/oppefed1/models/water/index.htm.
    Based on the Pesticide Root Zone Model/Exposure Analysis Modeling 
System (PRZM/EXAMS) and Screening Concentration in Ground Water (SCI-
GROW) models, the estimated drinking water concentrations (EDWCs) of 
spiromesifen for chronic exposures for non-cancer assessments are 
estimated to be 11 ppb for surface water and 28 ppb for ground water.
    Modeled estimates of drinking water concentrations were directly 
entered into the dietary exposure model.
    For chronic dietary risk assessment, the water concentration of 
value 28 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).
    Spiromesifen is not registered for any specific use patterns that 
would result in residential exposure.
    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 spiromesifen to share a common mechanism of 
toxicity with any other substances, and spiromesifen does not appear to 
produce a toxic metabolite produced by other substances. For the 
purposes of this tolerance action, therefore, EPA has assumed that 
spiromesifen 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://
www.epa.gov/pesticides/cumulative.

D. Safety Factor for Infants and Children

    1. In general. Section 408(b)(2)(c) of FFDCA provides that EPA 
shall apply an additional tenfold (10X) margin of safety for infants 
and children in the case of threshold effects to account for prenatal 
and postnatal toxicity and the completeness of the database on toxicity 
and exposure unless EPA determines based on reliable data that a 
different margin of safety will be safe for infants and children. This 
additional margin of safety is commonly referred to as the FQPA safety 
factor (SF). In applying this provision, EPA either retains the default 
value of 10X, or uses a different additional safety factor when 
reliable data available to EPA support the choice of a different 
factor.
    2. Prenatal and postnatal sensitivity. There is no evidence of 
increased susceptibility of rats or rabbits to in utero prenatal or 
postpostnatal exposure to spiromesifen In a rat developmental toxicity 
study, no developmental toxicity was observed at doses up to 500 
milligrams/kilograms/day (mg/kg/day) (the highest dose tested (HDT)) in 
the presence of maternal toxicity. The rat maternal LOAEL was 
determined to be 70 mg/kg/day based on decreased body-weight gain and 
reduced food consumption. In the rabbit developmental toxicity study, 
there was no developmental toxicity observed at doses up to 250 mg/kg/
day (the HDT), but the maternal LOAEL was determined to be 35 mg/kg/day 
based on body weight loss and reduced food consumption. There is no 
qualitative and/or quantitative evidence of increased susceptibility to 
spiromesifen following prenatal/postnatal exposure in a 2-generation 
reproduction study in rats. There is no concern for developmental 
neurotoxicity resulting from exposure to spiromesifen. Neurotoxic 
effects such as reduced motility, spastic gait, increased reactivity, 
tremors, clonic-tonic convulsions, reduced activity, labored breathing, 
vocalization, avoidance reaction, piloerection, limp, cyanosis, 
squatted posture, and salivation were observed in two studies (5-day 
inhalation and subchronic oral rat). However, these effects were 
considered as secondary, not neurotoxic, effects due to the high 
dosage. There was no evidence of neurotoxicity in the acute or 
subchronic neurotoxicity or any other studies.
    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:
     There is a complete toxicity database for spiromesifen.
     There is no evidence of increased susceptibility of rat or 
rabbit fetuses to in utero exposure in developmental studies, nor 
following prenatal or postnatal exposure by rats in the 2-generation 
reproduction study.
     There are no neurotoxicity concerns based on acute and 
sub-chronic neurotoxicity studies.
     The dietary food exposure assessment uses proposed 
tolerance levels or higher residues for most commodities and assumed 
100% crop-treated information for all commodities. By using these 
screening-level assessment, chronic exposures and risks will not be 
underestimated. The ``higher residues'' are those that were calculated 
using a modifying factor to account for the lack of spiromesifen-4-
hydroxymethyl residue data.
     The dietary drinking water assessment (Tier 2 estimates) 
uses values generated by model and associated modeling parameters which 
are designed to provide conservative, health protective, and high-end 
estimates of water concentrations.
     Residential exposure is not expected as spiromesifen is 
registered for agricultural and greenhouse/ornamental uses only.

E. Aggregate Risks and Determination of Safety

    EPA determines whether acute and chronic pesticide exposures are 
safe by comparing aggregate exposure estimates to the aPAD and cPAD. 
The aPAD and cPAD represent the highest safe exposures, taking into 
account all appropriate SFs. EPA calculates the aPAD and cPAD by 
dividing the POD by all applicable UFs. For linear cancer risks, EPA 
calculates the probability of additional cancer cases 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 POD to ensure that the MOE called for 
by the product of all applicable UFs is not exceeded.
    1. Acute risk. An acute aggregate risk assessment takes into 
account exposure estimates from acute 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, 
spiromesifen is not expected to pose an acute risk.

[[Page 52606]]

    2. Chronic risk. Using the exposure assumptions described in this 
unit for chronic exposure, EPA has concluded that chronic exposure to 
spiromesifen from food and water will utilize 43% of the cPAD for 
children 1-2 years old and children 3-5 years old, the population group 
receiving the greatest exposure. There are no residential uses for 
spiromesifen.
    3. Short-term risk. Spiromesifen is not registered for any use 
patterns that would result in residential exposure. Therefore, the 
short-term aggregate risk is the sum of the risk from exposure to 
spiromesifen through food and water and will not be greater than the 
chronic aggregate risk.
    4. Intermediate-term risk. Spiromesifen is not registered for any 
use patterns that would result in intermediate-term residential 
exposure. Therefore, the intermediate-term aggregate risk is the sum of 
the risk from exposure to spiromesifen through food and water, which 
has already been addressed, and will not be greater than the chronic 
aggregate risk.
    5. Aggregate cancer risk for U.S. population. There is no evidence 
that spiromesifen is carcinogenic to humans; therefore, a dietary 
cancer assessment is not required.
    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 spiromesifen residues.

IV. Other Considerations

A. Analytical Enforcement Methodology

    Adequate enforcement methodology, high-performance liquid 
chromatography (HPLC)/triple stage quadruple mass spectrometry (MS/MS) 
method, is available to enforce the tolerance expression. 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; e-mail address: 
residuemethods@epa.gov.

B. International Residue Limits

    There are no established Codex Maximum Residue Levels for the 
proposed use of spiromesifen on corn, field.

C. Revisions to Petitioned-For Tolerances

    Based upon review of the data supporting the petition, EPA has 
revised the tolerance levels for residues of spiromesifen on corn, 
field, forage and corn, field, stover. EPA determined that the 
appropriate tolerance level for residues of spiromesifen in or on corn, 
field, forage is 5.0 ppm. EPA also determined that it is appropriate to 
increase the tolerance level in or on corn, field, stover from 5.0 ppm 
to 8.0 ppm. EPA revised these tolerance levels based on analyses of the 
residue field trial data using the Agency's Tolerance Spreadsheet in 
accordance with the Agency's Guidance for Setting Pesticide Tolerances 
Based on Field Trial Data.

V. Conclusion

    Therefore, tolerances are established for combined residues of 
spiromesifen, in or on corn, field, at 5.0 ppm for forage and 8.0 ppm 
for stover.

VI. Statutory and Executive Order Reviews

    This final rule revises tolerances under section 408(d) of FFDCA 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 final rule has been 
exempted from review under Executive Order 12866, this final rule is 
not subject to Executive Order 13211, entitled Actions Concerning 
Regulations That Significantly Affect Energy Supply, Distribution, or 
Use (66 FR 28355, May 22, 2001) or Executive Order 13045, entitled 
Protection of Children from Environmental Health Risks and Safety Risks 
(62 FR 19885, April 23, 1997). This final rule 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 section 408(d) of FFDCA, 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 final rule 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 section 408(n)(4) of FFDCA. As such, the Agency has determined that 
this action will not have a substantial direct effect on States or 
tribal governments, on the relationship between the national government 
and the States or tribal governments, or on the distribution of power 
and responsibilities among the various levels of government or between 
the Federal Government and Indian tribes. Thus, the Agency has 
determined that Executive Order 13132, entitled Federalism (64 FR 
43255, August 10, 1999) and Executive Order 13175, entitled 
Consultation and Coordination with Indian Tribal Governments (65 FR 
67249, November 9, 2000) do not apply to this final rule. In addition, 
this final rule does not impose any enforceable duty or contain any 
unfunded mandate as described under Title II of the Unfunded Mandates 
Reform Act of 1995 (UMRA) (Public Law 104-4).
    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 of 1995 (NTTAA), Public Law 104-113, section 12(d) (15 U.S.C. 272 
note).

VII. Congressional Review Act

    The Congressional Review Act, 5 U.S.C. 801 et seq., generally 
provides that before a rule may take effect, the agency promulgating 
the rule must submit a rule report to each House of the Congress and to 
the Comptroller General of the United States. 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 this final rule in the Federal 
Register. This final rule 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: August 29, 2008.
Donald R. Stubbs,
Acting Director, Registration Division, Office of Pesticide Programs.

0
 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. Section 180.607 is amended by revising the following entries in the

[[Page 52607]]

table in paragraph (a)(1) to read as follows:

Sec.  180.607  Spiromesifen; tolerances for residues.

    (a) General. (1) * * *

------------------------------------------------------------------------
                      Commodity                        Parts per million
------------------------------------------------------------------------
                                * * * * *
Corn, field, forage..................................                5.0
                                * * * * *
Corn, field, stover..................................                8.0
                                * * * * *
------------------------------------------------------------------------

* * * * *
[FR Doc. E8-20873 Filed 9-9-08; 8:45 am]

BILLING CODE 6560-50-S