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Health Risk Assessment of Contaminants in Milk in Wuhan Country

Gaodao Liang

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Abstract

Concentrations of contaminants(Cd , Pb)in milk obtained from supermarkets in Wuhan were studied based on a total of 19 random samples. Health risks associated with concentrations of contaminants in drinking water were assessed by using USEPA health risk assessment mode1. The results showed that the chemical carcinogen Cd is the principal pollutant. Individual annual risk (IAR) of Cd is 1.80×10-6 a-1, as health risk 99.94% in the total risks and far more important than that of the other chemical carcinogen Pb. However, the annual risk factor caused by Cd and Pb for milk is far lower than the recommended maximum risk factor of 5 × 10-5a-1 according to the international coalition of radioactive protection (ICRP), so not risky to health.

About this research paper

What this paper is about

Concentrations of contaminants(Cd , Pb)in milk obtained from supermarkets in Wuhan were studied based on a total of 19 random samples. Health risks associated with concentrations of contaminants in drinking water were assessed by using USEPA health risk assessment mode1. The results showed that the chemical carcinogen Cd is the principal pollutant. Individual annual risk (IAR) of Cd is 1.80×10-6 a-1, as health risk 99.94% in the total risks and far more important than that of the other chemical carcinogen Pb. However, the annual risk factor caused by Cd and Pb for milk is far lower than the recommended maximum risk factor of 5 × 10-5a-1 according to the international coalition of radioactive protection (ICRP), so not risky to health.

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Available abstract

Concentrations of contaminants(Cd , Pb)in milk obtained from supermarkets in Wuhan were studied based on a total of 19 random samples. Health risks associated with concentrations of contaminants in drinking water were assessed by using USEPA health risk assessment mode1. The results showed that the chemical carcinogen Cd is the principal pollutant. Individual annual risk (IAR) of Cd is 1.80×10-6 a-1, as health risk 99.94% in the total risks and far more important than that of the other chemical carcinogen Pb. However, the annual risk factor caused by Cd and Pb for milk is far lower than the recommended maximum risk factor of 5 × 10-5a-1 according to the international coalition of radioactive protection (ICRP), so not risky to health.

Key concepts: Health risk assessment, Health risk, Environmental health, Contamination, Risk assessment, Environmental science, Pollutant, Environmental chemistry

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