This article (https://digital.akbizmag.com/issue/august-2019/assessing-environments/) by Brad Joyal of Alaska Business Magazine describes some of the important work that environmental scientists are doing throughout Alaska.
excerpt from the article “Assessing Environments”:
“One thing that comes up all the time in Alaska soils is arsenic. It’s naturally occurring and it exceeds the DEC cleanup criteria. The DEC becomes concerned with arsenic if it’s from what appears to be a potential man-made source.”