1. 1. Base the evaluation on the information submitted in accordance with R18-6-102(A) to determine whether the active ingredient fails any of the following mobility factors and one or more of the following persistence factors; or

   SPECIFIC NUMERIC VALUES

   MOBILITY FACTORS PERSISTENCE FACTORS

   Water solubility No greater than 30 ppm

   Soil adsorption

   coefficient Kd no less than 5

   Hydrolysis Half-life no greater than 25 weeks

   Aerobic soil

   metabolism Half-life no greater than 3 weeks

   Anaerobic soil

   metabolism Half-life no greater than 3 weeks

   Field dissipation Half-life no greater than 3 weeks

2. 2. Base the evaluation on the product chemistry and environmental fate assessment submitted in accordance with R18-6-102(C).

For each new or existing agricultural use pesticide registered in Arizona, the Director shall determine whether each active ingredient has the potential to pollute groundwater in the state. The Director shall either:

Historical Note

Adopted effective May 10, 1988 (Supp. 88-2). Amended by final rulemaking at 11 A.A.R. 3949, effective November 22, 2005 (Supp. 05-3).