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Fiber exposure during use of baby powders, report No. IWS-36-6.
Dement-JM; Shuler-PJ; Zumwalde-RD
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, IWS 36-6, 1972 Jul; :1-13
Exposure to asbestos (1332214) fibers and free silica (7631869) during the use of baby talcum powders (SIC-2844) was investigated. Bulk and airborne samples of nine commercial powders were examined using standard fiber count methods. Seven powders were fibrous. These were subjected to a simulated exposure test in which a doll was diapered while air was collected 10 inches from its breathing zone and that of the diapering individual. Dusting was continued for 5 or 15 seconds. A 3 minute sampling procedure was used to obtain total time average airborne concentration measurements. Fourteen dusting tests were conducted. Fifteen second dustings resulted in fibrous exposure with all tested powders, while 5 second dustings did not produce fibrous exposure with three powders. Based on an estimated 10 to 15 diaper changes per day, a cumulative exposure of 30 to 45 minutes per day was estimated. Exposure to fibers was greatest during the first 20 seconds of use and diminished rapidly. Fiber concentrations ranged between 0 to 18 fibers greater than 5 microns in length per milliliter during this time. Free silica ranged from 0.05 to 2.03 percent by weight.
NIOSH-Author; NIOSH-Survey; Field-Study; IWS-36-6; Region-5; Silicates; Asbestos-dust; Fibrous-bodies; Dust-exposure; Health-survey; Air-sampling; Dust-analysis; Mineral-dusts; Talc
Field Studies; Industry Wide
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division