Silver Iodide Generations and Public Health

by William J. Douglas, Res. Meteorologist; Ofc. of Atmospheric Water Resources, Bur. of Reclamation, U.S. Dept. of the Interior, Denver, CO,

Serial Information: Journal of the Irrigation and Drainage Division, 1970, Vol. 96, Issue 3, Pg. 273-280

Document Type: Journal Paper


Exposure of the operator of a cloud seeding generator is compared with threshold limits for prolonged exposure established by the American Conference of Governmental Industrial Hygienists. For silver iodide and its complexes, iodine and carbon monoxide, maximum exposure was found to be greatly below hazardous levels. Concentrations of silver and iodine in precipitation from seeded storms were found to be greatly below permissible levels set by the U.S. Public Health Service for drinking water. The inoffensive nature of the effluent from a silver iodide generator is emphasized by contrasting its chemical content with that of automobile exhaust.

Subject Headings: Public health and safety | Weather modification | Industries | Carbon monoxide | Storms | Public services | Drinking water | Effluents

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