1. Peatland water chemistry in Central Ontario in relation to acid deposition

   • Peter J. Blancher
   • Donald K. McNicol

   OriginalPaper Pages: 217 - 232

2. In situ compartmentation and biomagnification of chromium and manganese in industrially polluted Husainsagar Lake, Hyderabad, India

   • G. Seenayya
   • A. K. Prahalad

   OriginalPaper Pages: 233 - 239

3. Hematological and pathological effects of chromium toxicosis in the freshwater fish, Barbus conchonius Ham

   • Tejendra S. Gill
   • Jagdish C. Pant

   OriginalPaper Pages: 241 - 250

4. Syntheses and application of anionic polyelectrolytes in water and waste water treatment

   • G. Udaya Bhaskar
   • S. K. Gupta

   OriginalPaper Pages: 251 - 260

5. The sensitivity of modeled SO₂ fluxes and profiles to stomatal and boundary layer resistances

   • Tilden P. Meyers

   OriginalPaper Pages: 261 - 278

6. Trace metals in fish exposed to asbestos rich sediments

   • H. Schreier
   • T. G. Northcote
   • K. Hall

   OriginalPaper Pages: 279 - 291

7. The relation between soil acidification and element cycling

   • W. De Vries
   • A. Breeuwsma

   OriginalPaper Pages: 293 - 310

8. Acute bioassays with control mortality

   • J. A. Hoekstra

   OriginalPaper Pages: 311 - 317

9. Effects of simulated throughfall pH and sulfate concentration on a deciduous forest soil

   • J. R. McClenahen

   OriginalPaper Pages: 319 - 333

10. Detailed early measurements of the fallout in Sweden from the chernobyl accident

    • B. Erlandsson
    • L. Asking
    • E. Swietlicki

    OriginalPaper Pages: 335 - 346

11. An evaluation of two bacteriophages as sewage tracers

    • L. W. Sinton
    • S. B. Ching

    OriginalPaper Pages: 347 - 356

12. Air pollution measurements at the boulder atmospheric observatory

    • C. C. Van Valin
    • E. Ganor

    OriginalPaper Pages: 357 - 372

13. Chemical composition of hoarfrost, rime and snow during a winter inversion in Utah, U.S.A.

    • Thure E. Cerling
    • Amanda J. Alexander

    OriginalPaper Pages: 373 - 379

14. Adsorption of natural radionuclides on pyrolusite

    • P. M. Markose

    OriginalPaper Pages: 381 - 386

15. Control of odors arising from the thickening of surplus activated sludge in the dissolved air flotation unit

    • Lawrence C. C. Koe
    • Y. G. Tan

    OriginalPaper Pages: 387 - 393

16. Behavioral responses of a marine bivalve (Venus verrucosa) to pollution by petroleum hydrocarbons

    • Victor Axiak
    • Jennifer J. George

    OriginalPaper Pages: 395 - 410

17. Investigation of the production of lipophilic volatile organohalogens during the laboratory chlorination of nonpolluted surface water samples in Yugoslavia

    • M. Picer
    • V. Hocenski
    • N. Picer

    OriginalPaper Pages: 411 - 421

18. Book reviews

    • Juan Carlos Sánchez
    • Luis E. Herrera
    • Zev Gerstl

    BookReview Pages: 423 - 430

19. Announcement

    Announcement Pages: 431 - 432