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Molly O'Brien

Senior Environmental Consultant

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Molly O’Brien has nearly 20 years of experience in environmental evaluation and design of remediation alternatives; geophysical and hydrogeological investigations and surveys; and state and federal regulations such as the Resource Conservation and Recovery Act, Part 201, and Part 213 as applied to various commercial and industrial clients throughout Michigan. Molly has worked extensively with utilities, petroleum product facilities, manufacturing facilities, natural gas processing plants, landfills, nuclear power plants, real estate developers, and crude oil production facilities. Her services include site and facility investigations, risk assessments, remedial alternatives evaluations of soil and groundwater, remedial design and implementation, groundwater flow and modeling, contaminant transport modeling, and health and safety management. Molly’s work also includes investigation and remedial design for various contaminants, including petroleum hydrocarbons, chlorinated volatiles, semi-volatiles, per- and polyfluoroalkyl substances (PFAS), and metals.


(616) 512-7025


BS, Geological Engineering, Michigan Technological University


Barr Engineering Co.
4771 50th Street SE
Grand Rapids, MI 49512

Phone: 616-512-7000
Fax: 616-554-3211
Toll free: 800-632-2277