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Terri Olson

Senior Data Quality Specialist

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Terri Olson has more than three decades of experience working with analytical laboratory data, including data involving per- and polyfluoroalkyl substances (PFAS), volatile organic compounds (VOCs), semi-volatile organic compounds (SVOCs), pesticides, general chemistry, and metals. She performs periodic review and auditing of analytical facilities and their procedures; evaluates laboratory data; and reviews and makes improvements to Barr’s quality management system, which includes updates to Barr’s standard operating procedures for fieldwork and data evaluation. Terri has considerable experience with a wide variety of regulatory methods used for environmental analyses and has worked with many mining analyses.


(952) 842-3578


BS, Microbiology, University of Wisconsin - La Crosse


Barr Engineering Co.
4300 MarketPointe Drive
Minneapolis, MN 55435

Phone: 952-832-2600
Fax: 952-832-2601
Toll free: 800-632-2277