William Koskinen is a Soil Scientist with the U.S. Department of Agriculture. His current research interests include soil chemistry/biochemistry with an emphasis in determination and quantification of the mechanisms and factors controlling the degradation, movement, and activity of pesticides and their metabolites in soil; and use this knowledge to increase pesticide efficacy in agricultural production systems and decrease the risk of ground and surface water contamination.

William Koskinen has been performing Thin Layer Chromatography separations for about 30 years – and he uses Analtech Thin Layer Chromatography Plates.