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Greg Patten

Senior Environmental Scientist

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Greg Patten has three decades of experience in the environmental field. During emergency spill-response and enforcement actions, clients look to Greg not only for regulatory guidance and support but also for practical solutions and strategies for managing response actions. His regular work includes leading environmental audits, preparing environmental plans and permits, developing environmental management systems, providing compliance training, and helping clients understand how regulations apply to specific operations and activities.

Before he joined Barr, Greg served as a 24-hour spill response, remediation, and disposal contractor. That practical experience, combined with a broad knowledge of state and federal environmental regulations, makes him a unique resource on whom Barr’s clients and their legal counsel call for assistance resolving complex compliance issues and enforcement actions.


(952) 832-2807


ISO 14000 Lead Auditor (MN)

service area lead

regulatory support and compliance


BS, Chemistry, University of Minnesota - Duluth


Barr Engineering Co.
4300 MarketPointe Drive
Minneapolis, MN 55435

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