1. Oxidation-induced leaching of sulphate and cations from acid sulphate soils

   • Helinä Hartikainen
   • Markku Yli-Halla

   OriginalPaper Pages: 1 - 13

2. Heavy metal pollutant tolerance of Azolla Pinnata

   • Amar Sarkar
   • Sasadhar Jana

   OriginalPaper Pages: 15 - 18

3. Adsorption of mercury compounds by tropical soils

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

   OriginalPaper Pages: 19 - 27

4. A chloride budget for Onondaga Lake, New York, U.S.A.

   • Steven W. Effler
   • Charles T. Driscoll

   OriginalPaper Pages: 29 - 44

5. Multielement analysis and mercury speciation in atmospheric samples from the Toronto area

   • Anna Brzezinska-Paudyn
   • Jon C. Van Loon
   • Maryagnes R. Balicki

   OriginalPaper Pages: 45 - 56

6. Monitoring the impact of acid deposition on the soil microbiota, using glucose and vanillin decomposition

   • R. J. F. Bewley
   • D. Parkinson

   OriginalPaper Pages: 57 - 68

7. Biosorption of lead and chromium by penicillium preparations

   • S. Siegel
   • P. Keller
   • E. Galun

   OriginalPaper Pages: 69 - 75

8. The release of polonium-210 upon the recrystallization of Ba(Ra)SO₄

   • D. J. Berwanger
   • I. G. De Jong
   • D. R. Wiles

   OriginalPaper Pages: 77 - 84

9. Sulphur gas emissions in the boreal forest: The west whitecourt case study IV: Air quality and the meteorological environment

   • P. F. Lester
   • E. C. Rhodes
   • A. H. Legge

   OriginalPaper Pages: 85 - 108

10. Copper toxicity in tropical barnacles, Balanus Amphitrite amphitrite and Balanus tintinnabulum tintinnabulum

    • Y. Prabhakara Rao
    • V. Uma Devi
    • D. G. V. Prasada Rao

    OriginalPaper Pages: 109 - 115

11. Influence de differents facteurs ecologiques et de contaminations metalliques experimentales sur le comportement d'enfouissement de cardium edule L. (mollusques lamellibranches)

    • J. C. Amiard
    • C. Amiard-Triquet

    OriginalPaper Pages: 117 - 130

12. Adsorption of cadmium to kaolinite in the presence of organic material

    • Charles N. Haas
    • Noah D. Horowitz

    OriginalPaper Pages: 131 - 140

13. Mercury pollution of effluent, air, and soil near a battery factory in Tanzania

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

    OriginalPaper Pages: 141 - 146

14. Chlorophyll as an indicator of the upper critical tissue concentration of cadmium in plants

    • K. W. Burton
    • J. B. King
    • E. Morgan

    OriginalPaper Pages: 147 - 154

15. Effect of fly ash extract on growth and development of corn and soybean seedlings

    • K. N. Shukla
    • L. C. Mishra

    OriginalPaper Pages: 155 - 167

16. Salinity, chloride, and density relationships in ion enriched Onondaga Lake, NY

    • Steven W. Effler
    • Keith Schimel
    • Frank J. Millero

    OriginalPaper Pages: 169 - 180

17. Surface loading effect on Cd and Zn sorption by kaolinite and montmorillonite from low concentration solutions

    • J. García-Miragaya
    • R. Cardenas
    • A. Page

    OriginalPaper Pages: 181 - 190

18. Mössbauer studies of the speciation of tributyltin compounds in seawater and sediment samples

    • George Eng
    • Orin Bathersfield
    • Leopold May

    OriginalPaper Pages: 191 - 197

19. Zooflagellates in an anaerobic waste stabilization pond system in Mexico

    • Fermín Rivera
    • Alfonso Lugo
    • Ricardo Ortiz

    OriginalPaper Pages: 199 - 214

20. Announcement

    Announcement Pages: 215 - 215

21. Publisher's notice

    Announcement Pages: 216 - 216