We are Ion Water Machineries since 1967 formerly known as IONOCHEM manufacturer of arsenic removing plant. Arsenic is a common element in the earth's crust natural ground water and even the human body, it is an odorless and tasteless semi-metal ( metalloid ) that is naturally present in aquifers through out the U.S. and the world.. Arsenic is a typically found as an oxyanion in the environment most commonly in the +3 and +5 oxidation states since 2006 the drinking water standard ( maximum contaminate level or MCL ) for arsenic in the U.S. has been 10ug./L. At concentrations above the MCL. Arsenic can causes skin damage, Circulatory Problems and increased risk of cancer.