OTAC Members
Derrick Tanner, Chair (2025)
Columbia Laboratories, Inc., representing large private drinking water, storm & wastewater, and cannabis laboratories
503-254-1794 ext. 2212
Kim Ramsay, Vice Chair and OELA representative (2025)
Neilson Research Corp., representing large private drinking water, non-potable water, solids & bulk asbestos laboratories
541-770-5678
Darrell Auvil, Secretary (2026)
Apex Labs, representing large private environmental, storm & wastewater, non-potable water, and solids laboratories
dauvil@apex-labs.com503-718-2323
Drexell Barnes (2026)
City of Bend, representing municipal wastewater laboratories
541-322-6368
Jennifer Shackelford (2026)
City of Portland, BES, representing large municipal wastewater, and solids/soil laboratories
503-823-5614
Elizabeth Bunger (2023)
BSK, representing private environmental laboratories
360-750-0055
Melanie Ryan (2024)
City of Eugene, representing municipal wastewater laboratories
541-682-8649
Chris Griffey (2025)
Rose City Laboratories, representing private cannabis, psilocybin, and drinking water laboratories
503-307-0096