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Dan Koschak

Senior Air Quality Technician

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Dan Koschak has over two decades of experience in a variety of technical areas including source-emission "stack" testing, water sampling, field surveying, industrial inspections, and CADD design work. As a source-emissions or “stack” tester, Dan tests for a variety of pollutants in compliance with U.S. Environmental Protection Agency-published sampling methodologies for clients in the mining, paper, ethanol, and refining industries. An experienced field technician and industrial inspector, Dan conducts inspections of industrial equipment and structures for structural integrity and safety including mechanical equipment, tanks, piping, stacks, and buildings. He also performs water sampling and wild rice surveys for mining clients in northeastern Minnesota. He works with civil engineering staff to survey land, conduct soil sampling, and gather industrial wastewater sampling data which he then transfers to CADD-generated drawings for data documentation.


(218) 262-8635


Barr Engineering Co.
3128 14th Avenue East
Hibbing, MN 55746

Phone: 218-262-8600
Fax: 218-262-3460
Toll free: 800-225-1966