# CY-PRO AT 4L HERBICIDE

- EPA Reg No: **1812-367**
- Registrant: GRIFFIN L.L.C.
- Signal word: Warning
- Active ingredients: Atrazine (10.4%); Cyanazine (32%)
- Label accepted: 1999-01-22
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/001812-00367-19990122.pdf

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UNITED STATES ENVIRONMENTAL 
Mr. L. Vern White 
Manager, Herbicide Registration 
Griffin Corporation 
P. O. Box 1847 
Rocky Ford Road 
Valdosta, GA 31603-1847 
SUBJECT: Supplemental Labeling 
J/2~/r9 
PROTECTION AGE~CY 
Cy-Pro 90DF Herbicide, EPA Reg. No. 1812-365 
Cy-Pro AT 4L Herbicide, EPA Reg. No. 1812-367 
Cy-Pro AT DF Herbicide, EPA Reg. No. 1812-368 
Dear Mr. White: 
lor :3 
The supplemental labeling referred to above, submitted in connection with registration 
under the Federal Insecticide, Fl1ngicide and Rodenticide Act (FIFRA), as amended, are 
acceptable. 
Stamped copies of the supplemental labeling are enclosed for Yo;Jr records. Please submit 
one (I) final printed copy for each of the subject products before releasing the products for 
shipment. 
EPA Form 1320·1 (12·)0) 
Sincerely, 
Jim Tompkins 
Product Manager, (25) 
Herbicide Branch 
Registration Division (750SC) 
CONCLIlRENCES 
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.......................•.•..•.•• ~ 
OFFICIAL FILE COpy

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CY-PRO® AT 4L HERBICJOE 
EM Reg No.1812-367 
MAXIMUM USE RATES FOR 1999-2002 
OIRF:CTIONS FOR ITSF. 
It is a violation of Federal law to use this product in a manner inconsistent with its 
labelinjl, 
Griffin CY -PRO AT 4L Ilcrbicide is a liquid formulation that can be applied alone 
or in combination with other herbicides to control a wide variety of weeds in field 
corn, sweet corn, popcorn, and field eorn grown for seed. The use rates specified 
in this supplemental label supercede all specimen and packal(inp; labels for the year 
1999 
CY A N AZIN F. RAn: J.JMITS 
One quart ofCY-PRO 1\ T 4L contains 0 75 lb. cyanazine active ingredient (ai) 
Rate limits for 1999-2002 described below apply to cyanazine from all sources 
Ac!here In Ihe rale recommendalions in Ihis lahel and ohserve Ih" rale limi" Rnc! 
other restrictions for the time period indicated 
1999: 
• Do not apply more than 4 quarts ofCY-PRO AT 4L pcr acre per year 
• An enclosed cab is required when applying CY -PRO AT 4L. An enclosed cab 
must have a nonporous barrier tltat totally surrounds the occupants and 
prevents contact with pesticides outside of the cab. 
2000-2002 
• Do not apply more than 1.3 quarts ofCY -PRO AT 4L per acre per vear to any 
crop land 
• An enclosed cab is required when applyin,\( CY -PRO AT 4L 
• This product may not be sold or distributed after September 30, 2002. 
• This product may not be used after December 3 I, 2002 
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When statellocal requirements re~ardin~ the use of cyanazine (including lower 
maximum use rates and/or hi~her set-backs) differ from the labeL the more 
restrictive/protective requirements apply. 
IMPORTANT PRFCA{JTIONS 
Refer to the CY ·PRO AT 4L label for weed control. use rate. milOn)/; and other use 
instructions. Use rates vary according to the application type. timin)l; and soil type 
Read and follow all use directions and precautions but do not exceed the maximum 
r"t"~ Ji<teci "hove 
IMPORTANT 
RF-FORE (ISING "CY-PRO AT 4(," READ AND FOI.I.OW ALI, 
APPLICABLE DIRECTIONS. RESTRICTIONS AND PRECAUTIONS ON 
THE F.PA-RF.GISTF.RF.IlI.ARFI~ 
This bulletin contains new or supplemental instructions for use of this product, 
which does not appear on the EPA-re)l;istered packa)l;e labels. Follow these 
instructions carefully 
This label must be in thj: possession of the user at the time of application 
(,V-PRO AT 4L is a Restricted \J.oe Pesticide 
For product information ull 1-800-237-1854 
P. 10 
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