Honors College Thesis
 

Development of an Herbicide Properties Tool to Communicate Physiochemical Properties of Pesticide Active Ingredients

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  • The National Pesticide Information Center (NPIC) is a cooperative agreement between Oregon State University and the U.S. Environmental Protection Agency that offers science-based information about pesticides and related topics to the general public, medical personnel, applicators, researchers, and regulators. The Herbicide Properties Tool project is the creation of an updated version of a popular database provided by NPIC. Using mainly primary source EPA documents, I compiled physiochemical data for 228 herbicide active ingredients that will feed into an easily understandable database. The purpose of the database is not only to update the previous version with new active ingredients but also to provide more information about the data for the general public to understand without a science background. For each active ingredient, the database will display data for water solubility, vapor pressure, soil half-life, sorption coefficient, and hydrolysis half-life. A groundwater ubiquity score and movement rating were calculated for each active ingredient to allow comparisons between two or more herbicide products. Key Words: herbicides, pesticides, NPIC, database, tool, physiochemical properties, groundwater ubiquity score, groundwater movement
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