Norwegian Defence Research Establishment
ARNT JOHNSEN is a chief scientist at the Norwegian Defence Research Establishment. His research covers a wide range of studies on the contamination and risk assessments related to military activity, including heavy metals, white phosphorus, and explosive contamination in shooting ranges. He has worked with measurements and risk assessments of the exposure to emission from using small- and large-caliber weapons. Mr. Johnsen holds an M.S. in toxicology from the University of Oslo.