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Arsenic contamination of ground water is found in many countries throughout the world, including the US. [2] The World Health Organization recommends limiting arsenic concentrations in water to 10 μg/L, although this is often an unattainable goal for many problem areas due to the difficult nature of removing arsenic from water sources. [3]
The drinking water contaminants that can have chronic effects include chemicals (such as disinfection byproducts, solvents and pesticides), radionuclides (such as radium), and minerals (such as arsenic). Examples of these chronic effects include cancer, liver or kidney problems, or reproductive difficulties. [35]
Throughout the years, many studies reported dose-dependent effects of arsenic in drinking water and skin cancer. In order to prevent new cases and death from cancerous and non-cancerous diseases, the Safe Drinking Water Act directed the Environmental Protection Agency to revise arsenic's levels and specified the maximum contaminant level (MCL).
According to the New Mexico Environment Department, a drinking water sample pulled in Santa Teresa this month contained more than the federal limit for arsenic.
The product was found to contain 13.2 parts per billion (ppb) of arsenic, which is above the action level of 10 ppb. The product was available at Walmart stores in 25 states including Puerto Rico ...
When it came to heavy metal levels, only one product was flagged: Starkey Spring Water. It had arsenic levels more than three times that of CR's recommended level of 3 parts per billion, but fell ...