Published May 1984
| public
Journal Article
Chrysotile Asbestos in California Surface Waters: From Upstream Rivers Through Water Treatment
Chicago
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Abstract
This article describes the input, transport, and removal of chrysotile asbestos fibers delivered to Southern California through the State Water Project. Concentrations of chrysotile fibers in surface waters in California are estimated from a mass-balance model that takes into consideration natural weathering of serpentine rock in the Sierra Nevada and coastal mountains and removal of fibers by coagulation in reservoirs. As predicted, fiber removals of from 90 to 99.8 percent were observed in reservoirs with detention times of from 0.5 to 3 years. Removal of submicron-sized fibers in water treatment plants also ranged from 90 to 99.8 percent, depending on the degree of coagulation prior to filtration.
Additional Information
© 1984 American Water Works Association. The work by R. Bales was supported in part by a grant from the Andrew W. Mellon Foundation to Caltech's Environmental Quality Laboratory and in part by a grant from The Metropolitan Water District of Southern California. The American Water Works Association Research Foundation provided a portion of the Metropolitan grant. Suggestions from J. Morgan. N. Brooks, and V. Vanoni during preparation of this article are gratefully acknowledged. K. Leung and G. Zeininger compiled much of the data for inputs by weathering. Product Number: JAW_0010917.Additional details
- Eprint ID
- 49727
- Resolver ID
- CaltechAUTHORS:20140915-152204785
- Andrew W. Mellon Foundation
- Metropolitan Water District of Southern California
- American Water Works Association Research Foundation
- Created
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2014-09-16Created from EPrint's datestamp field
- Updated
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2019-10-03Created from EPrint's last_modified field
- Caltech groups
- Environmental Quality Laboratory
- Other Numbering System Name
- Environmental Quality Laboratory
- Other Numbering System Identifier
- A-172