Eric Duderstadt is an environmental biologist with Water Systems Engineering Inc., of Ottawa, Kan. He works within the firm’s diagnostic and investigative laboratory centering on microbiology and chemistry. The company is a multi-tiered firm which specializes in ground water and surface water applications, industrial heating, cooling and water handling systems, and corrosion analysis and control. Duderstadt can be reached at (785) 242-6166 or email: eduderstadt@h2osystems.com.