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Health Risk Assessment of Cd on Drinking Waters in Ningbo

Teng Lihua

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Abstract

The conentrations distribution of Cd in drinking water in Ningbo was studied based on a total of 36 random samples.The health risks associated with Cd on drinking water were assessed using US EPA health risk assessment model.The results showed that the concentrations of heavy metals in drinking water in Ningbo ranged from 0 μg/L to 3.2 μg/L for Cd.Among the health risks caused by the carcinogenic risks in drinking water,the largest risk associated with Cd should be in Qiuga county(8.7×10-6·a-1) while it was signifiantly lower than the maxi-mum allowane levels recommended by ECRP(5×10-5·a-1).The main risk pollution was Cd by comparing with other areas,so Cd should be prior dealed with.

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What this paper is about

The conentrations distribution of Cd in drinking water in Ningbo was studied based on a total of 36 random samples.The health risks associated with Cd on drinking water were assessed using US EPA health risk assessment model.The results showed that the concentrations of heavy metals in drinking water in Ningbo ranged from 0 μg/L to 3.2 μg/L for Cd.Among the health risks caused by the carcinogenic risks in drinking water,the largest risk associated with Cd should be in Qiuga county(8.7×10-6·a-1) while it was signifiantly lower than the maxi-mum allowane levels recommended by ECRP(5×10-5·a-1).The main risk pollution was Cd by comparing with other areas,so Cd should be prior dealed with.

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Available abstract

The conentrations distribution of Cd in drinking water in Ningbo was studied based on a total of 36 random samples.The health risks associated with Cd on drinking water were assessed using US EPA health risk assessment model.The results showed that the concentrations of heavy metals in drinking water in Ningbo ranged from 0 μg/L to 3.2 μg/L for Cd.Among the health risks caused by the carcinogenic risks in drinking water,the largest risk associated with Cd should be in Qiuga county(8.7×10-6·a-1) while it was signifiantly lower than the maxi-mum allowane levels recommended by ECRP(5×10-5·a-1).The main risk pollution was Cd by comparing with other areas,so Cd should be prior dealed with.

Key concepts: Health risk assessment, Health risk, Environmental health, Environmental science, Heavy metals, Risk assessment, Pollution, Cadmium

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