1. The short and medium term effects of organic Amendments on lead availability

   • R. Scialdone
   • D. Scognamiglo
   • A. U. Ramunni

   OriginalPaper Pages: 267 - 274

2. Distribution of copper ions in waste and potable waters in Sri Lanka Cities

   • C. B. Dissanayak
   • G. M. Jayatilaka

   OriginalPaper Pages: 275 - 286

3. Atmospheric input of trace metals to Lake Michigan

   • S. J. Eisenreich

   OriginalPaper Pages: 287 - 301

4. A study of the gaseous and particulate pollutants in the environment of a thermal power plant project area

   • L. T. Khemani
   • M. S. Naik
   • Bh. V. Ramana Murty

   OriginalPaper Pages: 303 - 316

5. The absorption and evaporation of tritiated water vapor by soil and grassland

   • J. A. Garland

   OriginalPaper Pages: 317 - 333

6. Continuous culture of mixed sediment bacteria in the presence of mercury

   • C. I. Mayfield
   • W. E. Inniss
   • P. Sain

   OriginalPaper Pages: 335 - 349

7. Microbial degradation of synthetic sperm whale oils

   • M. C. Adams
   • J. E. Gannon
   • E. O. Bennett

   OriginalPaper Pages: 351 - 361

8. Leaching of the herbicide Bromacil after application on railroads in the Netherlands

   • R. Zandvoort
   • G. W. van den Born
   • J. H. Smelt

   OriginalPaper Pages: 363 - 372

9. Chromatographic behavior of humic materials extracted from Barberton sludge

   • George P. Manos
   • Eric Tsai

   OriginalPaper Pages: 373 - 377

10. Book reviews

    • Stefan Källman
    • Arthur C. Stern

    BookReview Pages: 379 - 385

11. Announcement

    Announcement Pages: 387 - 387