1. Adsorption of mercury compounds by tropical soils II. Effect of soil: Solution ratio, ionic strength, pH, and organic matter

   • E. Semu
   • B. R. Singh
   • A. R. Selmer-Olsen

   OriginalPaper Pages: 1 - 10

2. Adsorption of mercury compounds by tropical soils III. Adsorption isotherms

   • E. Semu
   • B. R. Singh
   • A. R. Selmer-Olsen

   OriginalPaper Pages: 11 - 16

3. pH profiles from diatom stratigraphies in sediment cores of selected lakes of new brunswick and Nova Scotia, Canada

   • J. K. Elner
   • S. Ray

   OriginalPaper Pages: 17 - 29

4. The effect of meteorology on the atmospheric dispersion of toxic chemicals in a river valley

   • John E. Langstaff
   • Christian Seigneur
   • James L. McElroy

   OriginalPaper Pages: 31 - 41

5. Organochlorine pesticide contents of tributaries into Blanca Bay, Argentina

   • Horacio V. Zubillaga
   • Jose L. Sericano
   • Adan E. Pucci

   OriginalPaper Pages: 43 - 53

6. Impact of sanitary landfill on air quality in Baghdad

   • Muthanna A. Al-Omar
   • Shatha Y. Faiq
   • Nasrin Bader

   OriginalPaper Pages: 55 - 61

7. Organochloride insecticide residues in air in Delhi, India

   • C. P. Kaushik
   • M. K. K. Pillai
   • H. C. Agarwal

   OriginalPaper Pages: 63 - 76

8. Acidification of Nova Scotia Lakes

   • J. K. Underwood
   • J. G. Ogden III
   • H. H. Vaughan

   OriginalPaper Pages: 77 - 88

9. Long-term changes in fish populations of acid streams and lochs in galloway South West Scotland

   • R. Harriman
   • B. R. S. Morrison
   • A. W. Watt

   OriginalPaper Pages: 89 - 112

10. Fluoride in bones of small rodents living in areas with different pollution levels

    • K. C. Walton

    OriginalPaper Pages: 113 - 122

11. Incidence of antibiotic resistant bacteria in drinking water in Cairo

    • Helmy Tawfik El-Zanfaly
    • El-Saied Abd-Aziz Kassim
    • Samir M. Badr-Eldin

    OriginalPaper Pages: 123 - 128

12. Influence of acidic environments on electrokinetic and adsorptive behavior of iron oxide rich soils

    • A. R. Bowers
    • T. A. Higgs

    OriginalPaper Pages: 129 - 144

13. Sediment trace metal contamination in the Ivory Coast, West Africa

    • Issifou Kouadio
    • John H. Trefry

    OriginalPaper Pages: 145 - 154

14. The history of airborne polycyclic aromatic hydrocarbons (PAH) and perylene as recorded in dated lake sediments

    • Kim Wickstrom
    • Kimmo Tolonen

    OriginalPaper Pages: 155 - 175

15. Modifications in phosphorus loading to Onondaga Lake, U.S.A., Associated with alkali Manufacturing

    • Steven W. Effler
    • Emmet M. Owens

    OriginalPaper Pages: 177 - 182

16. Nonlinear optimization modeling of coliform bacteria

    • Donald H. Burn
    • Edward A. McBean

    OriginalPaper Pages: 183 - 200

17. Chemical effects of pH 3 sulphuric acid on a soil profile

    • Keith A. Brown

    OriginalPaper Pages: 201 - 218

18. Residues of 2,3,7,8-tetrachlorodibenzo-p-dioxin in the Spring River, Missouri

    • Ronald L. Crunkilton
    • Lawrence M. Smith
    • Robert D. Kleopfer

    OriginalPaper Pages: 219 - 231

19. The bioavailability of sediment-sorbed organic chemicals: A review

    • John P. Knezovich
    • Florence L. Harrison
    • Ronald G. Wilhelm

    OriginalPaper Pages: 233 - 245

20. Modeling gas migration through unsaturated soils from waste disposal sites

    • Douglas E. Metcalfe
    • Grahame J. Farquhar

    OriginalPaper Pages: 247 - 259

21. Book reviews

    • Germund Tyler
    • T. Viraraghavan

    BookReview Pages: 261 - 265