Mark Smith, CIH, CSP, CHMM, works at Oak Ridge National Laboratory. He has nearly 40 years of professional experience in fire safety, building codes, safety compliance, environmental management, and industrial hygiene. He holds a bachelor of science in environmental health from East Tennessee State University and master of public health from the University of Tennessee. He is past present of the Tennessee Valley Section of the American Industrial Hygiene Association and the East TN Chapter of the Alliance of Hazardous Materials Professionals.
The hazardous metals that first come to mind related to welding and cutting are lead, chromium, zinc and perhaps beryllium. Manganese doesn’t have the same recognition in terms of risk in the general population.