Air pollution has become a growing problem in the India due to increased industrial and transportation activities (Patel et al., 2009a, Patel et al., 2009b, Patel et al., 2009c). The metal content in the atmospheric samples of the central India was found to be higher than other parts of the World (Garnaud et al., 1999; Joseph et al., 1988). The toxicity and mobility of a metal depend on the oxidation state and molecular structure. The total, inorganic and organic species of arsenic (As) in the roof suspended dust and rain samples of the most industrialized city, Raipur, central India is presented.
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