Bryn Thoms is a hydrogeologist with Oregon Department of Environmental Quality's (ODEQ's) Cleanup Program. He oversees cleanup projects, including solvent groundwater plumes, legacy pesticide sites, former wood products mill sites, petroleum releases, and abandoned mine lands. Mr. Thoms is the technical director of the Environmental Health Council, an international non-profit organization dedicated to addressing environmental contaminants. In 2015, he became active with the Interstate Technology and Regulatory Council as a result of overseeing one of the first ODEQ projects that utilized bioavailability adjustments in human health risk assessment. Mr. Thoms helped develop the Decision Section of the Bioavailability Guidance document, where his regulatory experience provided valuable perspective on incorporating bioavailability into the regulatory cleanup process. Mr. Thoms has a B.S. in geology from Oregon State University and has been an Oregon registered professional geologist since 1997.