Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 20-54 - Agricultural Resource Management
Chapter ATCP 40 - Fertilizer And Related Products
Subchapter II - Fertilizer
Section ATCP 40.18 - Fertilizer; toxic substances
Current through November 25, 2024
(1) No fertilizer may contain any substance that is toxic or injurious to plants, animals, or humans when the fertilizer is handled or applied under reasonably foreseeable use conditions unless the substance and hazard are disclosed on the fertilizer label.
Note: See s. ATCP 40.08.
(2) No fertilizer may contain a metal in a concentration that exceeds the maximum allowable concentration specified for that metal in the Official Publication of the Association of American Plant Food Control Officials, No. 71 (2018), statement of uniform interpretation and policy number 25.
T he Official Publication of the Association of American
Plant Food Control Officials, No. 71 (2018), which contains the statement of
uniform interpretation and policy number 25, is on file with the department and
the legislative reference bureau. Copies may be obtained from the treasurer of
the Association of American Plant Food Control Officials, Inc., North Carolina
Department of Agriculture, P.O. Box 33508, Raleigh, NC 33636-3508, or online at