Assessment of Polychlorinated Biphenyls and Mercury Levels in Soil and Biological Samples from San Felipe, Nuevo Mercurio, Zacatecas, Mexico
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- Costilla-Salazar, R., Trejo-Acevedo, A., Rocha-Amador, D. et al. Bull Environ Contam Toxicol (2011) 86: 212. doi:10.1007/s00128-010-0165-z
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The aim of this work was to evaluate contamination by polychlorinated biphenyls and mercury in soil, and to assess exposure level to both contaminants in children living in San Felipe, Nuevo Mercurio, Zacatecas, Mexico. We found soil levels of total polychlorinated biphenyls ranging from non detectable (nd) to 190 μg/kg. Mercury soil levels ranged from 8.9 to 10215.0 mg/kg. Exposure levels of total polychlorinated biphenyls assessed in blood and urinary mercury in children living in the studied community were 1,600 ± 8,800 ng/g lipid and 4.2 ± 7.1 μg/g creatinine, respectively.