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Marta Nelson

Senior Data Quality Specialist

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Marta Nelson has been with Barr for more than three decades, providing a comprehensive range of services for quality assurance/quality control and data management aspects of complex assessment and remediation projects under both state and federal environmental programs. She is currently a senior consultant who leads Barr’s data quality management team. Marta handles laboratory coordination and analytical data validation for approximately $2 million of annual laboratory subcontractor services involving dozens of laboratories and hundreds of environmental sites. She recently directed the modification and incorporation of EQuIS, the industry-leading environmental-data-management software system, into Barr’s data management system.


(952) 832-2702

service area lead

data quality and management


Barr Engineering Co.
4300 MarketPointe Drive
Minneapolis, MN 55435

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