| http://www.w3.org/ns/prov#value | - The most common water quality problems they encounter are muddy appearance, abnormal taste, inorganic contaminants such as fluoride and arsenic, industrial chemicals, and disease-causing organisms, according to Chachaba.com.Arsenic poisoning has been identified as one of the country???s ???most important endemic diseases.??? Nearly 20 million Chinese live in areas at high risk of arsenic contamina
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