Distribution and Health Risk Assessment of Heavy Metals in Surface Dusts of Maha Sarakham Municipality | Zendy

Junhua Ma | Zendy; Wichitra Singhirunnusorn | Zendy

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Distribution and Health Risk Assessment of Heavy Metals in Surface Dusts of Maha Sarakham Municipality

Author(s) -

Junhua Ma,

Wichitra Singhirunnusorn

Publication year - 2012

Publication title -

procedia - social and behavioral sciences

Language(s) - English

Resource type - Journals

ISSN - 1877-0428

DOI - 10.1016/j.sbspro.2012.08.034

Subject(s) - cadmium , heavy metals , health risk assessment , environmental science , zinc , contamination , pollution , environmental chemistry , health risk , environmental engineering , environmental health , environmental protection , metallurgy , chemistry , materials science , medicine , ecology , biology

Using the case of Maha Sarakham municipality, the research aims to monitoring the impact of urban land use and particle size distribution on the heavy metal (HM) contamination in surface dusts and carried out research into the exposure and health risk assessment of heavy metals on the fine size dusts. Samples were collected from five function areas. The contents of HM (lead, zinc, copper, and cadmium) in surface dusts were determined. Results showed only Zn concentration tended to increase with decreasing particle sizes. Results revealed the highest zinc concentrations from all areas. The parking lot samples contained the highest amount of heavy metals. HIs for all metals were lower than their threshold values, indicating without health hazards. The study will be beneficial for the municipality in terms of non-point source pollution control/management to promote the health of urbanites

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