Indoor and outdoor household dust contamination in Cincinnati, Ohio, USA
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摘要: Despite some progress in reducing the average lead level USA, streets of Cincinnati, Ohio, are still contaminated by heavy metals. High levels metals will have significant unequivocal ecological impacts and pose a potential health hazard. This study evaluates heavy- metal contamination household dust examines its relationships with external environment. Samples outdoor indoor were collected from middle-income residential homes Greater Cincinnati Metropolitan District content was analysed inductively coupled plasma atomic emission spectrophotometry. Results showed that mean dusts 650 μg g⊃-1 377 copper 253 510 g⊃-1, respectively. The median 156 139 for 35 124 dusts. degree may be ascribable to age dwelling unit neighbourhood, time when last painted, presence pets type space heating. In addition, car exhausts seems possible source contamination.
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