Determining Pesticide Area Boundaries

01. Pesticide Area Boundary Factors. In determining the area of pesticide concern, restricted area, or prohibition area the Director may consider the following factors: (7-1-25) a. Pesticide detections from reliable ground water test samples; (3-31-22) b. Number and frequency of detections; (3-31-22) c. Statistical trends of detections; (3-31-22) d. Location of detections; (3-31-22) e. Hydrogeology of the aquifer; (3-31-22) f. Well depth and construction; (3-31-22) g. Aquifer vulnerability and susceptibility; (3-31-22) h. Pesticide physical and chemical characteristics; (3-31-22) i. Pesticide use; or (3-31-22) j. Other scientifically defensible information. (3-31-22) 401. – 409. (RESERVED)