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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]
Arsenic poisoning (or arsenicosis) is a medical condition that occurs due to elevated levels of arsenic in the body. [4] If arsenic poisoning occurs over a brief period of time, symptoms may include vomiting, abdominal pain, encephalopathy, and watery diarrhea that contains blood. [1]
Bioremediation of ground water contaminated with arsenic aims to convert arsenite, the toxic form of arsenic to humans, to arsenate. Arsenate (+5 oxidation state) is the dominant form of arsenic in surface water, while arsenite (+3 oxidation state) is the dominant form in hypoxic to anoxic environments.
In April, however, Consumer Reports noted that it had found levels of arsenic in Starkey water that were dangerously close to — and even over — the federal limit.
The Managem Group in a statement denied the findings published in German newspaper Suddeutsche Zeitung that pointed to increased levels of arsenic in the water near its century-old cobalt mine at ...
Common sources include fertilisers; [17] aging water supply infrastructure; [18] and microplastics floating in the world's oceans. [19] [20] Arsenic is thought to be used in connection with coloring dyes. [21] Rat poison used in grain and mash stores may be another source of the arsenic. [22] The geographical extent of sources may be very large.