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VERTEX CIH, Alexander Johnsen




Alexander Johnsen CIH

Certified Industrial Hygienist

Alexander Johnsen has over seven years of experience working on various construction and environmental remediation projects at residential, commercial, municipal, and government sites. With a broad clientele base ranging from individual homeowners to private contractors and government agencies, Mr. Johnsen has worked extensively with a wide variety of environmental contaminants and cleanup procedures.

Education & Certification

B.S. Biology, University of Colorado

Expert Witness Services

Environmental, Air Quality