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[Federal Register Volume 65, Number 87 (Thursday, May 4, 2000)]
[Rules and Regulations]
[Pages 25857-25860]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 00-11146]

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 180

[OPP-300913A; FRL-6556-3]
RIN 2070-AB78

Cyromazine; Pesticide Tolerance

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: This final rule establishes permanent tolerances for residues 
of cyromazine (CAS No. 66215-27-8) in or on mango at 0.3 parts per 
million (ppm); onion, green at 2.0 ppm; onions, dry bulb at 0.1 ppm; 
potato at 0.8 ppm; corn, sweet, (kernels plus cob with husks removed) 
at 0.5 ppm; corn, sweet, forage at 0.5 ppm; corn, sweet, stover at 0.5 
ppm; radishes, root at 0.5 ppm; radishes, tops at 0.5 ppm; lima beans 
at 1.0 ppm; cotton, undelinted seed at 0.1 ppm; milk at 0.05 ppm; and 
meat, fat and meat byproducts (of cattle, goat, hogs, horses and sheep) 
at 0.05 ppm. This final rule also removes melamine, a metabolite of 
cyromazine from the tolerance expression since it is no longer 
considered a residue of concern. The Interregional Research Project 
(IR-4) and Novartis Crop Protection, Inc. requested these tolerances 
under the Federal Food, Drug, and Cosmetic Act, as amended by the Food 
Quality Protection Act of 1996.

DATES: This regulation is effective May 4, 2000. Objections and 
requests for hearings, identified by docket control number OPP-300913A, 
must be received by EPA on or before July 3, 2000.

ADDRESSES: Written objections and hearing requests may be submitted by 
mail, in person, or by courier. Please follow the detailed instructions 
for each method as provided in Unit VI. of the SUPPLEMENTARY 
INFORMATION. To ensure proper receipt by EPA, your objections and 
hearing requests must identify docket control number OPP-300913A in the 
subject line on the first page of your response.

FOR FURTHER INFORMATION CONTACT: By mail: Linda DeLuise, Registration 
Division (7505C), Office of Pesticide Programs, Environmental 
Protection Agency, Ariel Rios Bldg., 1200 Pennsylvania Ave., NW., 
Washington, DC 20460; telephone number: (703) 305-5428; e-mail address: 
[email protected].

SUPPLEMENTARY INFORMATION:

I. General Information

A. Does this Action Apply to Me?

    You may be affected by this action if you are an agricultural 
producer, food manufacturer, or pesticide manufacturer. Potentially 
affected categories and entities may include, but are not limited to:

 
------------------------------------------------------------------------
                                                          Examples of
           Categories                 NAICS codes         potentially
                                                       affected entities
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Industry                          111...............  Crop production
                                  112...............  Animal production
                                  311...............  Food manufacturing
                                  32532.............  Pesticide
                                                       manufacturing
------------------------------------------------------------------------

    This listing is not intended to be exhaustive, but rather provides 
a guide for readers regarding entities likely to be affected by this 
action. Other types of entities not listed in the table could also be 
affected. The North American Industrial Classification System (NAICS) 
codes have been provided to assist you and others in determining 
whether or not this action might apply to certain entities. If you have 
questions regarding the applicability of this action to a particular 
entity, consult the person listed under FOR FURTHER INFORMATION 
CONTACT.

B. How Can I Get Additional Information, Including Copies of this 
Document and Other Related Documents?

    1. Electronically. You may obtain electronic copies of this 
document, and certain other related documents that might be available 
electronically, from the EPA Internet Home Page at http://www.epa.gov/. 
To access this document, on the Home Page select ``Laws and 
Regulations'' and then look up the entry for this document under the 
``Federal Register--Environmental Documents.'' You can also go directly 
to the Federal Register listings at http://www.epa.gov/fedrgstr/.
    2. In person. The Agency has established an official record for 
this action under docket control number OPP-300913A. The official 
record consists of the documents specifically referenced in this 
action, and other information related to this action, including any 
information claimed as Confidential Business Information (CBI). This 
official record includes the documents that are physically located in 
the docket, as well as the documents that are referenced in those 
documents. The public version of the official record does not include 
any information claimed as CBI. The public version of the official 
record, which includes printed, paper versions of any electronic 
comments submitted during an applicable comment period is available for 
inspection in the Public Information and Records Integrity Branch 
(PIRIB), Rm. 119, Crystal Mall #2, 1921 Jefferson Davis Hwy., 
Arlington, VA, from 8:30 a.m. to 4 p.m., Monday through Friday, 
excluding legal holidays. The PIRIB telephone number is (703) 305-5805.

II. Background and Statutory Findings

    In the Federal Register of September 15, 1999 (64 FR 50043) (FRL-
6098-7), EPA issued a proposed rule which announced that Novartis Crop 
Protection, Inc., 410 Swing Road, Greensboro, NC 27419 and the 
Interregional Research Project (IR-4) had submitted pesticide petitions 
(PP) 5E4450, 5F4574, 6F4613, 5F4546, 6F3332, and 7E4905 pursuant to 
section 408 of the Federal Food, Drug, and Cosmetic Act (FFDCA), 21 
U.S.C. 346a as amended by the Food Quality Protection Act of 1996 
(FQPA) (Public Law 104-170) proposing that 40 CFR part 180 be amended 
by establishing a tolerance for cyromazine in or on mango at 0.3 parts 
per million (ppm); onion, green at 2.0 ppm; onions, dry bulb at 0.1 
ppm; potato at 0.8 ppm; corn, sweet, (kernels plus cob with husks 
removed) at 0.5 ppm; corn, sweet, forage at 0.5 ppm; corn, sweet, 
stover at 0.5 ppm; radishes, root at 0.5 ppm; radishes, tops at 0.5 
ppm; lima beans at 1.0 ppm; cotton, undelinted seed at 0.1 ppm; milk at 
0.05 ppm; and meat, fat and meat byproducts (of cattle, goat, hogs, 
horses and sheep) at 0.05 ppm. EPA received one comment from a private 
citizen of Australia alleging that the poor health of a dog was due to 
cyromazine and stating that long-term implications and studies

[[Page 25858]]

had not been addressed in this petition. In particular the citizen 
stated:

    1. On 14 September 1999, an Adverse Reaction Experience Report 
was submitted to the National Registration Authority in Australia on 
the use and subsequent ill-health of a dog after long-term ingestion 
of cyromazine available in Australia as an oral flea control. Period 
was some 4-5 years at 300 mg/day for 27 kg dog. The dog's kidneys 
and liver were enlarged and her immune system dysfunctional. The 
cyromazine was immediately stopped at a veterinarian's request and 
the dog's organs continually become less inflamed. The flea control 
tablet was withdrawn from the market some 2 or 3 years ago, due to 
fatalities in a number of animals due to liver failure. The product 
was subsequently re-released with warning that only dogs which had 
shown no reaction to the ``Decaflea'' could use it.
    2. If a factor of 10 or 100 is used from animal reaction to 
allowable human exposure, how does very short-term fatal liver 
dysfunction in dogs equate to long-term ingestion by humans, 
especially infants and children. How does this equate to humans who 
already have liver and kidney disease/dysfunction?
    3. Please refer to the following publications available through 
PubMed at http://www.ncbi.nlm.nih.gov: ``Feeding cyromazine to 
Luhmann hens: residues in tissues and effects on some biochemical 
constituents.'' Cyromazine was fed to Luhmann hens at 0.15 ppm level 
supplemented the basal diet for 3 weeks. The build up of cyromazine 
residues in liver and muscles of hens up to 7th day. . . .During the 
3 weeks of feeding on the treated diet, the accumulated residues 
reduced the blood glucose and hepatic protein significantly up to 2 
weeks. . . .Also such residues had adverse effects on the activities 
of alkaline phosphates and transaminase and extend on red blood 
cells, white blood cells, hemoglobin content and packed cell volume 
compared with the untreated hens.
    ``Effects of CGA-72662 (Larvadex) in turkeys during rearing and 
reproduction'' . . . The kidneys were characterized as enlarged, 
nodular and cystic, containing urate deposits and areas of necrosis.
    I suggest that although short-term studies have been carried out 
on cyromazine, the long-term implications have not been addressed in 
this petition.
    Allowing increased levels of cyromazine in foods loved by 
children, e.g., milk, mangoes and sweet corn without long-term 
studies of the effects of this toxin is tantamount to negligence.

    EPA responses to these comments follows:
    The cyromazine data base contains all required studies, this 
includes (sometimes with several studies for each study category):

    Acute oral toxicity in the rat
    Acute dermal toxicity in the rabbit
    Acute inhalation toxicity in the rat
    Primary eye irritation in the rabbit
    Primary dermal irritation in the rabbit
    Dermal sensitization in the guinea pig
    Subchronic oral toxicity in the rat (13 weeks)
    Subchronic oral toxicity in the dog (13 weeks)
    Subchronic dermal toxicity in the rabbit (21 days)
    Chronic oral toxicity in the rat (2 year)
    Chronic oral toxicity in the dog (6 month)
    Developmental toxicity in the rat
    Developmental toxicity in the rabbit
    Developmental toxicity in the rabbit with postnatal
    Multigeneration reproduction study in the rat
    Carcinogenicity study in the rat (2 year)
    Carcinogenicity study in the mouse (2 year)
    Mutagenicity battery
    General metabolism in the rat
    General metabolism in sheep
    General metabolism in the chicken
    General metabolism in the goat
    General metabolism in the cow
    Dermal absorption in the rat

    All the required acute, short-term and long-term studies have been 
conducted. The Agency has assessed the long-term human health effects 
from exposure to cyromazine. The available dog studies only indicate 
effects on the hematological parameters (hematocrit and hemoglobin 
levels); there was an increase in liver weight in the 13-week study, 
but this was not seen in any other species. There was no indication of 
effects in the dog on the liver (other than weight, a normal 
physiological response to metabolism of the compound, no supportive 
histopathology was noted), kidneys, or on the immune system. The Agency 
notes that ``Decaflea'' product administered to the dog also contained 
200 milligrams/tablet of diethylcarbamazine citrate, an ethyl carbamate 
and heartworm animal drug. If the health effects seen in the dog were 
treatment-related, the presence of this compound should also have been 
investigated as a possible cause.
    In regards to the two open literature studies cited, the Agency 
notes that the first open literature study is an Egyptian study in 
chickens looking at liver function. The results indicate that the liver 
was functioning normally to detoxify the administered compound.
    The second study was in turkeys intended to assess the effects on 
reproduction. This study utilized extremely high doses (up to 2 grams 
per kilogram diet). These are doses that exceeded even our limit doses. 
Since the turkey is one of the treated species for fly control, this 
study was not an evaluation of the reproductive effects, but rather a 
true toxicity study (producing adverse effects) as opposed to hazard 
studies used by EPA to evaluate potential hazards to humans. The 
investigators had to reduce one dose due to palatability problems (the 
turkeys would not eat the treated diet). The kidney effects were due to 
an overburdening of the organ from the extremely high doses. The Agency 
conducted open literature searches to determine if there was any report 
of adverse effects not reported previously and no additional 
information was found.
    As stated previously and as indicated in the September 15, 1999 
Federal Register proposal for cyromazine, the Agency has sufficient 
data to assess the short- and long-term hazards of cyromazine with 
special consideration to the sensitivity of infants and children from 
exposure to cyromazine as required by the FQPA.
    The petitions requested that 40 CFR 180.414 be amended by 
establishing a tolerance for residues of the insecticide cyromazine, in 
or on mango at 0.3 parts per million (ppm); onion, green at 2.0 ppm; 
onions, dry bulb at 0.1 ppm; potato at 0.8 ppm; corn, sweet, (kernels 
plus cob with husks removed) at 0.5 ppm; corn, sweet, forage at 0.5 
ppm; corn, sweet, stover at 0.5 ppm; radishes, root at 0.5 ppm; 
radishes, tops at 0.5 ppm; lima beans at 1.0 ppm; cotton, undelinted 
seed at 0.1 ppm; milk at 0.05 ppm; and meat, fat and meat byproducts 
(of cattle, goat, hogs, horses and sheep at 0.05 ppm. Based on the risk 
assessments discussed in the proposed rule and the findings made 
therein, the Agency concludes that there is a reasonable certainty that 
no harm will result to the U.S. population and to infants and children 
from aggregate exposure to residues of cyromazine. Therefore, 
tolerances are established as set forth below.

III. Objections and Hearing Requests

    Under section 408(g) of the FFDCA, as amended by the FQPA, any 
person may file an objection to any aspect of this regulation and may 
also request a hearing on those objections. The EPA procedural 
regulations which govern the submission of objections and requests for 
hearings appear in 40 CFR part 178. Although the procedures in those 
regulations require some modification to reflect the amendments made to 
the FFDCA by the FQPA of 1996, EPA will continue to use those 
procedures, with appropriate adjustments, until the necessary 
modifications can be made. The new section 408(g) provides essentially 
the same process for persons to ``object'' to a regulation for an 
exemption from the requirement of a tolerance issued by EPA under new 
section 408(d), as was provided in the old FFDCA sections 408 and 409. 
However, the period for filing objections is now 60 days, rather than 
30 days.

[[Page 25859]]

A. What Do I Need to Do to File an Objection or Request a Hearing?

    You must file your objection or request a hearing on this 
regulation in accordance with the instructions provided in this unit 
and in 40 CFR part 178. To ensure proper receipt by EPA, you must 
identify docket control number OPP-300913A 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 on or before July 3, 
2000.
    1. Filing the request. Your objection must specify the specific 
provisions in the regulation that you object to, and the grounds for 
the objections (40 CFR 178.25). If a hearing is requested, the 
objections must include a statement of the factual issues(s) on which a 
hearing is requested, the requestor's contentions on such issues, and a 
summary of any evidence relied upon by the objector (40 CFR 178.27). 
Information submitted in connection with an objection or hearing 
request may be claimed confidential by marking any part or all of that 
information as CBI. Information so marked will not be disclosed except 
in accordance with procedures set forth in 40 CFR part 2. A copy of the 
information that does not contain CBI must be submitted for inclusion 
in the public record. Information not marked confidential may be 
disclosed publicly by EPA without prior notice.
    Mail your written request to: Office of the Hearing Clerk (1900), 
Environmental Protection Agency, Ariel Rios Bldg., 1200 Pennsylvania 
Ave., NW., Washington, DC 20460. You may also deliver your request to 
the Office of the Hearing Clerk in Rm. C400, Waterside Mall, 401 M St., 
SW., Washington, DC 20460. The Office of the Hearing Clerk is open from 
8 a.m. to 4 p.m., Monday through Friday, excluding legal holidays. The 
telephone number for the Office of the Hearing Clerk is (202) 260-4865.
    2. Tolerance fee payment. If you file an objection or request a 
hearing, you must also pay the fee prescribed by 40 CFR 180.33(i) or 
request a waiver of that fee pursuant to 40 CFR 180.33(m). You must 
mail the fee to: EPA Headquarters Accounting Operations Branch, Office 
of Pesticide Programs, P.O. Box 360277M, Pittsburgh, PA 15251. Please 
identify the fee submission by labeling it ``Tolerance Petition Fees.''
    EPA is authorized to waive any fee requirement ``when in the 
judgement of the Administrator such a waiver or refund is equitable and 
not contrary to the purpose of this subsection.'' For additional 
information regarding the waiver of these fees, you may contact James 
Tompkins by phone at (703) 305-5697, by e-mail at [email protected], 
or by mailing a request for information to Mr. Tompkins at Registration 
Division (7505C), Office of Pesticide Programs, Environmental 
Protection Agency, Ariel Rios Bldg., 1200 Pennsylvania Ave., NW., 
Washington, DC 20460.
    If you would like to request a waiver of the tolerance objection 
fees, you must mail your request for such a waiver to: James Hollins, 
Information Resources and Services Division (7502C), Office of 
Pesticide Programs, Environmental Protection Agency, Ariel Rios Bldg., 
1200 Pennsylvania Ave., NW., Washington, DC 20460.
    3. Copies for the Docket. In addition to filing an objection or 
hearing request with the Hearing Clerk as described in Unit VI.A., you 
should also send a copy of your request to the PIRIB for its inclusion 
in the official record that is described in Unit I.B.2. Mail your 
copies, identified by docket control number OPP-300913A, to: Public 
Information and Records Integrity Branch, Information Resources and 
Services Division (7502C), Office of Pesticide Programs, Environmental 
Protection Agency, Ariel Rios Bldg., 1200 Pennsylvania Ave., NW., 
Washington, DC 20460. In person or by courier, bring a copy to the 
location of the PIRIB described in Unit I.B.2. You may also send an 
electronic copy of your request via e-mail to: [email protected]. 
Please use an ASCII file format and avoid the use of special characters 
and any form of encryption. Copies of electronic objections and hearing 
requests will also be accepted on disks in WordPerfect 6.1/8.0 file 
format or ASCII file format. Do not include any CBI in your electronic 
copy. You may also submit an electronic copy of your request at many 
Federal Depository Libraries.

B. When Will the Agency Grant a Request for a Hearing?

    A request for a hearing will be granted if the Administrator 
determines that the material submitted shows the following: There is a 
genuine and substantial issue of fact; there is a reasonable 
possibility that available evidence identified by the requestor would, 
if established resolve one or more of such issues in favor of the 
requestor, taking into account uncontested claims or facts to the 
contrary; and resolution of the factual issues(s) in the manner sought 
by the requestor would be adequate to justify the action requested (40 
CFR 178.32).

IV. Regulatory Assessment Requirements

    This final rule establishes a tolerance under FFDCA section 408(d) 
in response to a petition submitted to the Agency. The Office of 
Management and Budget (OMB) has exempted these types of actions from 
review under Executive Order 12866, entitled Regulatory Planning and 
Review (58 FR 51735, October 4, 1993). 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., or 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). Nor 
does it require any prior consultation as specified by Executive Order 
13084, entitled Consultation and Coordination with Indian Tribal 
Governments (63 FR 27655, May 19, 1998); special considerations as 
required by Executive Order 12898, entitled Federal Actions to Address 
Environmental Justice in Minority Populations and Low-Income 
Populations (59 FR 7629, February 16, 1994); or require OMB review or 
any Agency action under Executive Order 13045, entitled Protection of 
Children from Environmental Health Risks and Safety Risks (62 FR 19885, 
April 23, 1997). 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). 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. In addition, the Agency has 
determined that this action will not have a substantial direct effect 
on States, on the relationship between the national government and the 
States, or on the distribution of power and responsibilities among the 
various levels of government, as specified in Executive Order 13132, 
entitled Federalism (64 FR 43255, August 10, 1999). Executive Order 
13132 requires EPA to develop an accountable process to ensure 
``meaningful and timely input by State and local officials in the 
development of regulatory policies that have federalism implications.'' 
``Policies that have federalism implications'' is defined in the 
Executive Order to

[[Page 25860]]

include regulations that have ``substantial direct effects on the 
States, on the relationship between the national government and the 
States, or on the distribution of power and responsibilities among the 
various levels of government.'' This final rule directly regulates 
growers, food processors, food handlers and food retailers, not States. 
This action does not alter the relationships or distribution of power 
and responsibilities established by Congress in the preemption 
provisions of FFDCA section 408(n)(4).

V. Submission to Congress and the Comptroller General

    The Congressional Review Act, 5 U.S.C. 801 et seq., as added by the 
Small Business Regulatory Enforcement Fairness Act of 1996, generally 
provides that before a rule may take effect, the agency promulgating 
the rule must submit a rule report, which includes a copy of the rule, 
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: April 27, 2000.
James Jones,
Director, Registration Division, Office of Pesticide Programs.
    Therefore, 40 CFR chapter I is amended as follows:

PART 180--[AMENDED]

    1. The authority citation for part 180 continues to read as 
follows:

    Authority:  21 U.S.C. 321(q), (346a) and 371.
    2. Section 180.414 is revised to read as follows:

Sec. 180.414  Cyromazine; tolerances for residues.

    (a) General. (1) Tolerances are established for residues of the 
insecticide cyromazine (N-cyclopropyl-1,3,5-triazine-2,4,6-triamine) in 
or on the following raw agricultural commodities:

 
------------------------------------------------------------------------
                      Commodity                        Parts per million
------------------------------------------------------------------------
Cattle, fat..........................................               0.05
Cattle, meat.........................................               0.05
Cattle, meat byproduct...............................               0.05
Cucurbit vegetables..................................                1.0
Eggs.................................................               0.25
Goats, fat...........................................               0.05
Goats, meat..........................................               0.05
Goats, meat byproduct................................               0.05
Hogs, fat............................................               0.05
Hogs, meat...........................................               0.05
Hogs, meat byproduct.................................               0.05
Horses, fat..........................................               0.05
Horses, meat.........................................               0.05
Horses, meat byproduct...............................               0.05
Leafy vegetables (except Brassica)...................                7.0
Lima beans...........................................                1.0
Mango1...............................................                0.3
Milk.................................................               0.05
Mushrooms............................................                1.0
Onion, dry bulb......................................                2.0
Onion, green.........................................                0.1
Peppers..............................................                1.0
Potato...............................................                0.8
Poultry, fat (from chicken layer hens and chicken                   0.05
 breeder hens only)..................................
Poultry, meat (from chicken layer hens and chicken                  0.05
 breeder hens only)..................................
Poultry, meat byproduct (from chicken layer hens and                0.05
 chicken breeder hens only)..........................
Sheep, fat...........................................               0.05
Sheep, meat..........................................               0.05
Sheep, meat byproduct................................               0.05
Tomato...............................................               0.5
------------------------------------------------------------------------
1There are no U.S. registrations on mango as of May 4, 2000.

    (2) The additive cyromazine (N-cyclopropyl-1,3,5-triazine-2,4,6-
triamine) may be safely used in accordance with the following 
prescribed conditions:
    (i) It is used as a feed additive only in feed for chicken layer 
hens and chicken breeder hens at the rate of not more than 0.01 pound 
of cyromazine per ton of poultry feed.
    (ii) It is used for control of flies in manure of treated chicken 
layer hens and chicken breeder hens.
    (iii) Feeding of cyromazine-treated feed must stop at least 3 days 
(72 hours) before slaughter. If the feed is formulated by any person 
other than the end user, the formulator must inform the end user, in 
writing, of the 3-day (72 hours) preslaughter interval.
    (iv) To ensure safe use of the additive, the labeling of the 
pesticide formulation containing the feed additive shall conform to the 
labeling which is registered by the U.S. Environmental Protection 
Agency, and the additive shall be used in accordance with this 
registered labeling.
    (v) Residues of cyromazine are not to exceed 5.0 parts per million 
(ppm) in poultry feed.
    (b) Section 18 emergency exemptions. [Reserved]
    (c) Tolerances with regional registrations. Tolerances with 
regional registrations, as defined in 180.1(n), are established for the 
residues of cyromazine (N-cyclopropyl-1,3,5-triazine-2,4,6-triamine) in 
or on the following raw agricultural commodities:

 
------------------------------------------------------------------------
                      Commodity                        Parts per million
------------------------------------------------------------------------
Cabbage, Chinese.....................................                3.0
Mustard, Chinese.....................................                3.0
------------------------------------------------------------------------

    (d) Indirect or inadvertent residues. Tolerances are established 
for the indirect or inadvertent residues of cyromazine (N-cyclopropyl-
1,3,5-triazine-2,4,6-triamine), in or on the raw agricultural 
commodities when present therein as a result of the application of 
cyromazine to growing crops listed in paragraph (a)(1) of this section.

 
------------------------------------------------------------------------
                      Commodity                        Parts per million
------------------------------------------------------------------------
Cotton, undelinted seed..............................            0.1 ppm
Corn, sweet, (kernels plus cob with husks removed)...            0.5 ppm
Corn, sweet, forage..................................            0.5 ppm
Corn, sweet, stover..................................            0.5 ppm
Radish, root.........................................            0.5 ppm
Radish, tops (leaves)................................            0.5 ppm
------------------------------------------------------------------------

[FR Doc. 00-11146 Filed 5-3-00; 8:45 am]
BILLING CODE 6560-50-F
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