Soil Analysis for Pet Deaths

I need an expert to recommend appropriate soil or tissue analyses. We're investigating the possible misapplication of Weevil-Cide, which may have caused the deaths of two dogs in our HOA.

Requirements:
- Analyze soil from treated areas
- Recommend tests to determine misapplication
- Provide insights based on application method and date

Ideal Skills:
- Background in soil science or agronomy
- Experience with pesticide/fertilizer/herbicide analysis
- Knowledge of pet safety related to chemical applications
- Ability to interpret and report on soil test results