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Effects of trichloroethylene and perchloroethylene on wild rodents at Edwards Air Force Base, California, USA

Environmental Toxicology and Chemistry

By:
, , and
DOI: 10.1897/03-477

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Abstract

Effects of inhalation of volatilized trichloroethylene (TCE) or perchloroethylene (PCE) were assessed based on the health and population size of wild, burrowing mammals at Edwards Air Force Base (CA, USA). Organic soil-vapor concentrations were measured at three sites with aquifer contamination of TCE or PCE of 5.5 to 77 mg/L and at two uncontaminated reference sites. Population estimates of kangaroo rats (Dipodomys merriami and D. panamintinus) as well as hematology, blood chemistry, and histopathology of kangaroo rats and deer mice (Peromyscus maniculatus) were compared between contaminated and uncontaminated populations. Maximum soil-gas concentrations associated with groundwater contamination were less than 1.5 ??l/L of TCE and 0.07 ??l/L of PCE. Population estimates of kangaroo rats were similar at contaminated and reference sites. Hematology, blood chemistry, and histopathology of kangaroo rats and deer mice indicated no evidence of health effects caused by exposure. Trichloroethylene or PCE in groundwater and in related soil gas did not appear to reduce the size of small mammal populations or impair the health of individuals.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effects of trichloroethylene and perchloroethylene on wild rodents at Edwards Air Force Base, California, USA
Series title:
Environmental Toxicology and Chemistry
DOI:
10.1897/03-477
Volume
23
Issue:
9
Year Published:
2004
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Environmental Toxicology and Chemistry
First page:
2162
Last page:
2169
Number of Pages:
8