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Concentrations of Environmental Chemicals in Urine and Blood Samples of Children from San Luis Potosí, Mexico

Abstract

Human biomonitoring (HBM) is an appreciated tool used to evaluate human exposure to environmental, occupational or lifestyle chemicals. Therefore, the aim of this study was to evaluate the exposure levels for environmental chemicals in urine and blood samples of children from San Luis Potosí, Mexico (SLP). This study identifies environmental chemicals of concern such as: arsenic (45.0 ± 15.0 µg/g creatinine), lead (5.40 ± 2.80 µg/dL), t,t-muconic acid (266 ± 220 µg/g creatinine), 1-hydroxypyrene (0.25 ± 0.15 µmol/mol creatinine), PBDEs (28.0 ± 15.0 ng/g lipid), and PCBs (33.0 ± 16.0 ng/g lipid). On the other hand, low mercury (1.25 ± 1.00 µg/L), hippuric acid (0.38 ± 0.15 µg/g creatinine) and total DDT (130 ± 35 ng/g lipid) exposure levels were found. This preliminary study showed the tool’s utility, as the general findings revealed chemicals of concern. Moreover, this screening exhibited the need for HBM in the general population of SLP.

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Acknowledgements

This work was financed by a grant from the Consejo Nacional de Ciencia y Tecnología, Mexico. Proyectos de Desarrollo Científico para Atender Problemas Nacionales 2015. PDCPN2015-1558. The authors would like to thank Miss. Laura Carmen Martínez for helping with English editing.

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Correspondence to Ivan N. Perez-Maldonado.

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Perez-Maldonado, I.N., Ochoa-Martinez, A.C., Orta-Garcia, S.T. et al. Concentrations of Environmental Chemicals in Urine and Blood Samples of Children from San Luis Potosí, Mexico. Bull Environ Contam Toxicol 99, 258–263 (2017). https://doi.org/10.1007/s00128-017-2130-6

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Keywords

  • 1-OHP
  • Benzene
  • DDT
  • Metals
  • PBDEs
  • PCBs