ENVIRONMENTAL EXPOSURE TO CHROMIUM COMPOUNDS IN THE VALLEY OF LEON, MEXICO

被引：46

作者：

ARMIENTAHERNANDEZ, MA

RODRIGUEZCASTILLO, R

机构：

来源：

ENVIRONMENTAL HEALTH PERSPECTIVES | 1995年 / 103卷

关键词：

CHROMIUM; POLLUTION; EXPOSURE; LEON; GROUNDWATER; SOIL; AQUIFER;

D O I：

10.2307/3432012

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effects on the environment and health of the operation of a chromate compounds factory and tanneries in the Leon valley in central Mexico are discussed. Sampling and analysis of chromium were performed in water, soil, and human urine. Groundwater has been polluted in an area of about 5 km(2) by the leaching of a solid factory waste, which results in concentrations up to 50 mg/l of hexavalent chromium. The plume shape and extension appear to be controlled by the prevailing well extraction regime. Total chromium was detected in the soil around the factory as a result of both aerial transport and deposition of dust produced in the chromate process and irrigation with tannery-contaminated water. Analysis of the impact of chromium in air and water on populations with various degrees of exposure revealed that highly harmful health effects were not observed.

引用

页码：47 / 51

页数：5

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