Journal
ENVIRONMENTAL POLLUTION
Volume 132, Issue 1, Pages 121-127Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2004.03.017
Keywords
perchlorate; rodents; vegetation; soil; Las Vegas Wash
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Water, soil, vegetation, and rodents were collected from three areas along the Las Vegas Wash, a watershed heavily contaminated with perchlorate. Perchlorate was detected at elevated concentrations in water, soil, and vegetation, but was not frequently detected in rodent liver or kidney tissues. Broadleaf weeds contained the highest concentrations of perchlorate among all plant types examined. Perchlorate in rodent tissues and vegetation was correlated with perchlorate concentrations in soil as expected, however rodent residues were not highly correlated with plant perchlorate concentrations. This indicates that soil may be a greater source, or a more constant source of perchlorate exposure in rodents than vegetation. (C) 2004 Elsevier Ltd. All rights reserved.
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