%0 Journal Article %T Speciation of Chromium in Soil and Sludge in the Surrounding Tannery Region, Ranipet, Tamil Nadu %A Badal Kumar Mandal %A Raviraj Vankayala %A L. Uday Kumar %J ISRN Toxicology %D 2011 %I Hindawi Publishing Corporation %R 10.5402/2011/697980 %U http://dx.doi.org/10.5402/2011/697980