An Evaluation of the Toxic Hazard Associated with the Use of a Fluorescent Particle Atmosphere Tracer in an Urban Area.
DEFENCE AND CIVIL INST OF ENVIRONMENTAL MEDICINE DOWNSVIEW (ONTARIO)
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The toxic hazard from the use of a fluorescent particle atmosphere tracer containing cadmium sulfide within and near the city of Winnipeg in 1953 was evaluated. From the airborne concentrations of this tracer measured in thirty-two separate tests, it was concluded that no toxic hazard to cadmium was produced. In all of the tests, the maximum concentrations measured were less than the current limits of safe occupational exposure to this compound. The maximum amount of cadmium sulfide which could have been inhaled was only 14 to 55 percent of the average daily dietary intake of cadmium normally assimilated by the people of an industrialized country. Author