||Use of Quantitative Analysis of Urine to Assess Exposure to Asbestos Fibers in Drinking Water in the Puget Sound Region.
Boatman, E. S. ;
Merrill, T. ;
O'Neill, A. ;
Polissar, L. ;
||Washington Univ., Seattle. Dept. of Environmental Health. ;Fred Hutchinson Cancer Research Center, Seattle, WA.;Health Effects Research Lab., Research Triangle Park, NC.
Potable water ;
Chemical analysis ;
Electron microscopy ;
Water pollution effects(Humans) ;
Puget Sound Region ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
An earlier epidemiological and electron microscopy study of drinking water in the Everett area of Washington State indicated large numbers of naturally occurring chrysotile asbestos fibers in the water. The purpose of the present study was to determine whether significant numbers of asbestos fibers could be demonstrated in the urines of donors resident in that area for less than 3 years and over 20 years the tap water contained about 200,000,000 fibers/liter. A control group was obtained from Seattle where the tap water asbestos fiber content was 100 x less. Urines, filtered control water, tap water samples, and additional controls were processed for transmission electron microscopy by the use of the Nuclepore membrane filter-Jaffe wick procedure. At present, the data is inconclusive but would suggest no relationship between high concentrations of fibers in drinking water and the numbers estimated for voided urine.