Lead levels in fresh water mollusk shells
- 1 January 1976
- journal article
- research article
- Published by Taylor & Francis in Journal of Environmental Science and Health . Part A: Environmental Science and Engineering
- Vol. 11 (1) , 65-78
- https://doi.org/10.1080/10934527609385755
Abstract
The possibility of using the shells of various fresh water mollusks as indicators of lead levels has been investigated. Shells of Corbicula manillensis (Asiatic clam) were found to be reliable and readily available indicators of lead levels. Samples collected at a relatively clean site were found to yield a mean lead concentration of 0.6 ppm with a range of .1 ‐ 1.3 ppm. The sample means from other sites were increased by factors between 2 and 3. Also, the shells from very young (less than one year old) C. manillensis contained unusually high concentrations of lead.Keywords
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