... observed in the global scenario of arsenic contamination, especially in Asian countries. Before 2000, Bangladesh, West Bengal in India and sites in China were the major incidents of arsenic contamination ... arsenicism in PR China (Xia and Liu, 2004) state that, up to now, chronic arsenicism via drinking-water is found in Taiwan, Xinjiang, Inner Mongolia, Shanxi, Ningxia, Jilin, Qinghai, Received ... mechanical straining as well. Organic matter causes chemical leaching of arsenic in AIRU The leaching of arsenic and iron in the presence of organic matter in AIRU feed water was investigated...