Web-based Pesticide Screening Tool By

I am very grateful to Dr. Toshimi Miounra for his support, guidance and the patience he has shown me. I would like to thank Dr. Prasad Tadepalli and Dr. Jeffrey Steiner of college of agricultural sciences for serving on my committee and for their valuable comments and suggestions on my work. I would also like to thank Paphun Wangmutitakul for her work on the Soil Map. On a personal note I would like to acknowledge the support and love of my family and friends. 3 We have developed a web-based software tool for evaluating the potential risk of pesticides on the surrounding environment. The software tool is called Web-based Pesticide Screening Tool (Web-PST). It uses the formulas and standards specified by the Soil/Pesticide Interaction Screening Procedure Version II (SPISP II). Web-PST closely models the stand-alone Windows application Windows Pesticide Screening Tool (WIN-PST). For a given pesticide, a soil type, and a cultivation practice, Web-PST evaluates the likelihood of pesticide loss and its potential risks to both humans and fish