M.H. Chew & Associates, Inc. (CAI) is a professional consulting firm specializing in these and other scientific and technical services. We employ Certified Health Physicists, two former presidents of the Health Physics Society, and the current Editor-In-Chief of the Health Physics journal. Some of us maintain active US Department of Energy (DOE) “Q” clearances. We are proven radiological consultants working at DOE national laboratories, nuclear power stations, Fukushima, and CERCLA environmental cleanup projects.