Human health risks from arsenic in soils: does one model fit all?(Author Abstract)
From: Archives of Environmental Health
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Date: 7/1/2004
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Author: Datta, Rupali; Sarkar, Dibyendu
In the absence of a "soil model" on arsenic bioavailability, many investigators conducting baseline risk assessments of arsenic-enriched sites have assumed that all arsenic present in the soil is bioavailable. This assumption overestimates actual human health risk because various geochemical forms of arsenic are stable, or insoluble, in human digestive juices. The authors conducted a laboratory incubation study to analyze the in vitro bioavailability of arsenic in soils as a function of soil ...
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