1. Factors affecting the removal of metals during activated sludge wastewater treatment I. The role of soluble ligands

   • P. S. Lawson
   • R. M. Sterritt
   • J. N. Lester

   OriginalPaper Pages: 383 - 390

2. Factors affecting the removal of metals during activated sludge wastewater treatment II. The role of mixed liquor biomass

   • P. S. Lawson
   • R. M. Sterritt
   • J. N. Lester

   OriginalPaper Pages: 391 - 402

3. Copper complexation and toxicity to freshwater zooplankton

   • U. Borgmann
   • K. M. Ralph

   OriginalPaper Pages: 403 - 409

4. Nickel uptake and loss in the bivalvesCrassostrea virginica andMytilus edulis

   • G. E. Zaroogian
   • M. Johnson

   OriginalPaper Pages: 411 - 418

5. Transfer of cadmium in a phytoplankton-oyster-mouse food chain

   • J. T. Hardy
   • M. F. Sullivan
   • C. W. Apts

   OriginalPaper Pages: 419 - 425

6. Metal distribution in the earthworm,Pheretima hilgendorfi, and their variations with growth

   • Katsuhisa Honda
   • Takahisa Nasu
   • Ryo Tatsukawa

   OriginalPaper Pages: 427 - 432

7. Detection of cod (Gadus morhua) subpopulations by chemical and statistical analysis of pollutants

   • P. E. Gramme
   • G. Norheim
   • O. C. Bøckman

   OriginalPaper Pages: 433 - 440

8. Biochemical and pathological effects of fly ash on lung, liver, and blood of rats

   • P. K. Srivastava
   • V. K. Chaudhary
   • U. K. Misra

   OriginalPaper Pages: 441 - 452

9. Accumulation of trace elements, pesticides, and polychlorinated biphenyls in sediments and the clamCorbicula manilensis of the Apalachicola River, Florida

   • John F. Elder
   • Harold C. Mattraw Jr.

   OriginalPaper Pages: 453 - 469

10. Fate of hexachlorocyclopentadiene in water and goldfish

    • A. A. Podowski
    • M. A. Q. Khan

    OriginalPaper Pages: 471 - 481

11. Comparative toxicity of acephate in laboratory mice, white-footed mice, and meadow voles

    • Barnett A. Rattner
    • David J. Hoffman

    OriginalPaper Pages: 483 - 491

12. The effects of polychlorinated biphenyls (Aroclors^® 1016 and 1254) on mortality, reproduction, and regeneration inHydra oligactis

    • James A. Adams
    • Habte' M. Haileselassie

    OriginalPaper Pages: 493 - 499

13. Microbial metabolism of 4,4′-methylene-bis-(2 chloroaniline)

    • K. Yoneyama
    • F. Matsumura

    OriginalPaper Pages: 501 - 507