HEALTH RISK ASSESSMENT OF METAL(LOID)S EXPOSURE VIAINDOOR DUST FROM URBAN AREA IN CHELYABINSK, RUSSIA

Abstract

Purpose of the studydeals with the health risk assessment of metal(loid)s (Cr, Ni, Cu, Zn, As and Pb) contamination in 17 household dustfromurban area of Chelyabinsk, Russia. Risk assessment models described by United States Environmental Protection Agency (USEPA) was applied. The concentrations of metal(loid)s in the indoor dust determined in previous studies were used for calculating.The study showed that both children and adults havingindividual healthquotient(HQ)<1for all metal(loid)s areatnegligiblenon-carcinogenicrisk. The combined total exposure hazard index(HI) value for children was 1.07. It is indicatingthatthemetal(loid)sdetectedwould harmthechildren.The cancer risk for adults from exposure to As and Cr was found to be the acceptable or tolerable, their carcinogenic risk assessment (CRA) was in the range of 1·10⁻⁶…1·10⁻⁴. The cancer risk for children from exposure to As and Cr was found to be harmful to human beings (CRA > 1·10⁻⁴), As and Cr had CRA for children 1.36·10⁻⁴and 2.81·10⁻⁴, respectively.