Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 20-54 - Agricultural Resource Management
Chapter ATCP 30 - Pesticide Product Restrictions
Subchapter VIII - Atrazine Pesticides
Section ATCP 30.31 - General restrictions and requirements for use of atrazine

Universal Citation: WI Admin Code ยง ATCP 30.31

Current through August 26, 2024

(1) PROHIBITION ON NON-CROP USES. Atrazine product may only be used on agricultural crops. For purposes of this chapter, agricultural crops include forestry crops and tree plantations. No atrazine product may be used on non-crop application sites such as railroad, power line and road rights of way and industrial sites.

(2) TIMING OF APPLICATION. No atrazine product may be applied to any site before April 1 or after July 31 in any year.

(3) USE OF ATRAZINE WITH IRRIGATION. The following restrictions apply to the use of atrazine product with irrigation:

(a) Except as provided under s. ATCP 30.38(2), no person may apply atrazine product through an irrigation system.

(b) No person may apply irrigation water to any site to which atrazine product has been applied for a 2-year period following the application of atrazine product, unless the application of irrigation water is conducted in accordance with an irrigation management program that does not cause the field moisture capacity in the root zone of the soil being irrigated to be exceeded.

(4) USE AND MIXING-LOADING BY CERTIFIED APPLICATORS AND MIXER-LOADERS ONLY.

(a) Atrazine product may only be applied by a certified private applicator or by a person who is certified as a commercial applicator in the appropriate pesticide use category under s. ATCP 29.31.

(b) Atrazine product may only be mixed or loaded by a certified private applicator or by a person who is certified as a commercial applicator or mixer-loader in the appropriate pesticide use category under s. ATCP 29.31.

Note: Sections ATCP 29.45 and 29.46 prohibit mixing or loading of atrazine or other pesticides within 100 feet of any well or surface water unless the mixing or loading occurs over a spill containment pad that is constructed in compliance with the rule's specifications. Sections ATCP 29.47 and 29.50 prohibit the disposal of atrazine or other pesticides, pesticide containers including empty containers, pesticide spray solutions, and pesticide rinsates in a manner inconsistent with label directions.

(5) RECORDKEEPING.

(a) Every person who applies atrazine product shall keep a record of every application of atrazine product. The record shall be completed on the day of application and include the following:
1. The name of the individual who applied the atrazine product.

2. The name and address of the person for whom the atrazine product was applied, if different from the person who applied the atrazine product.

3. The location of the site where the atrazine product was applied.

4. The date and time of the application.

5. The brand name of the atrazine product.

6. The name of the labeler of the atrazine product, or the federal environmental protection agency registration number (EPA Reg. No.) for the atrazine product.

7. The rate of application and size of the total area treated.

8. The location of the site, if other than the site of application, where the atrazine product was loaded into the application equipment or nurse tank.

9. A map of the field as required under s. ATCP 30.32 if the field is subdivided into smaller application sites and different amounts of atrazine product are applied to the different sites.

(b) Every record of an atrazine product application under par. (a) shall be retained for 3 years after the application date. The record shall, at the request of the department, be made available for inspection and copying by the department.

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