Groundwater and air contamination: risk, toxicity, exposure assessment, policy, and regulation / R.J. Watts and A.L. Teel -- Arsenic and selenium / J.A Plant, D.G. Kinniburgh, P.L. Smedley, F.M. Fordyce, and B.A. Klinck -- Heavy metals in the environment--historical trends / E. Callender -- Geochemistry of mercury in the environment / W.F. Fitzgerald and C.H. Lamborg -- The geochemistry of acid mine drainage / D.W. Blowes, C.J. Ptacek, J.L. Jambor and C.G. Weisener -- Environmental geochemistry of radioactive contamination / M.D. Siegel, and C.R. Bryan -- The medical geochemistry of dusts, soils, and other earth materials / G.S. Plumlee and T.L. Ziegler -- Worldwide eutrophication of water bodies: causes, concerns, controls / E.E. Prepas and T. Charette -- Salinization and saline environments / A. Vengosh -- Acidification and acid rain / S.A. Norton and J. Vesely -- Tropospheric ozone and photochemical smog / S. Sillman -- Volatile fuel hydrocarbons and MTBE in the environment / I.M. Cozzarelli and A.L. Baehr -- High molecular weight petrogenic and pyrogenic hydrocarbons in aquatic environments / T.A. Abrajano, Jr., B. Yan and V. O'Malley -- Biogeochemistry of halogenated hydrocarbons / P. Adriaens, C. Gruden and M.L. McCormick -- The geochemistry of pesticides / J.E. Barbash -- The groundwater geochemistry of waste disposal facilities / P.L. Bjerg, H.-J. Albrechtsen, P. Kjeldsen, T.H. Christensen and I. Cozzarelli. "This volume focuses on natural and anthropogenic environmental contaminants and their implications for human health and the environment." --Cover.