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Industrial hygiene survey report, worker exposures during sugar cane harvesting, Florida Sugar Cane League, Clewiston, Florida.
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, IWS 092-5-5, 1986 Dec; :1-21
Literature was reviewed which dealt with commercially important plant species which contain amorphous silica. Specifically, results were presented of a field survey of sugar cane field workers in Florida. Determinations were made of the airborne concentration of amorphous silica fibers to which these workers were exposed. The airborne fibers ranged in size from 3.5 to 65 micrometers long with an average diameter of 0.6 micrometers. The concentration of these fibers in the air was as high as 300,000 fibers per cubic meter during cane cutting activities. Polyaromatic hydrocarbon concentrations were detected in the burnt leaf, but the concentrations in air were well below the limit of detection. The author recommends that comprehensive monitoring be considered for exposure to biogenic fibers among field workers, as well as refinery workers. The author also suggests that exposure to biogenic silicates in other industries which involve processing of agricultural commodities should be investigated. Solubility and persistence of these particular fibers in biological fluids should be considered.
NIOSH-Author; NIOSH-Survey; Field-Study; Region-4; Biological-monitoring; Inhalants; Dust-inhalation; Fibrous-bodies; Agricultural-workers; Sugar-industry; Agriculture
Field Studies; Industry Wide
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: July 3, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division