1. Hexachlorobenzene uptake by Fathead minnows and macroinvertebrates in recirculating sediment/water systems

   • Gerald S. Schuytema
   • Daniel F. Krawczyk
   • Merline L. Robideaux

   OriginalPaper Pages: 1 - 9

2. Uptake of aromatic and chlorinated hydrocarbons by juvenile chinook salmon (Oncorhynchus tshawytscha) in an urban estuary

   • B. B. McCain
   • D. C. Malins
   • S -L. Chan

   OriginalPaper Pages: 10 - 16

3. Short-term toxic effects of 1-naphthol on the digestive gland-gonad complex of the marine prosobranchLittorina littorea (L): A light microscopic study

   • Miren P. Cajaraville
   • J. A. Marigómez
   • Eduardo Angulo

   OriginalPaper Pages: 17 - 24

4. Biological and physical factors affecting the body burden of organic contaminants in freshwater mussels

   • B. W. Muncaster
   • P. D. N. Hebert
   • R. Lazar

   OriginalPaper Pages: 25 - 34

5. Effects of diflubenzuron on shell formation of the freshwater clam,Anodonta cygnea

   • J. Machado
   • J. Coimbra
   • C. Sã

   OriginalPaper Pages: 35 - 39

6. The acute and chronic toxicity of ammonia to marine fish and a mysid

   • D. C. Miller
   • S. Poucher
   • D. Hansen

   OriginalPaper Pages: 40 - 48

7. Polychlorobiphenyl (PCB) congeners in striped bass (Morone saxatilis) from marine and estuarine waters of New York State determined by capillary gas chromatography

   • B. Bush
   • R. W. Streeter
   • R. J. Sloan

   OriginalPaper Pages: 49 - 61

8. Field evaluation of predictions of environmental effects from a multispecies-microcosm toxicity test

   • B. R. Niederlehner
   • Kurt W. Pontasch
   • John Cairns Jr.

   OriginalPaper Pages: 62 - 71

9. Evaluation of a 14-day static renewal toxicity test withDaphnia magna Straus

   • F. M. Gersich
   • D. P. Milazzo

   OriginalPaper Pages: 72 - 76

10. Influence of time of application of an insecticide on recovery patterns of a zooplankton community in experimental ponds

    • Takayuki Hanazato
    • Masayuki Yasuno

    OriginalPaper Pages: 77 - 83

11. Metal concentrations and tissues distribution in larvae ofChironomus with reference to x-ray microprobe analysis

    • G. Krantzberg
    • P. M. Stokes

    OriginalPaper Pages: 84 - 93

12. Effect of environs and seasonality on metal residues in tissues of wild and pond-raised crayfish in southern Louisiana

    • M. W. Finerty
    • J. D. Madden
    • R. M. Grodner

    OriginalPaper Pages: 94 - 100

13. Environmental contaminant concentrations in biota from the lower Savannah River, Georgia and South Carolina

    • Parley V. Winger
    • Donald P. Schultz
    • W. Waynon Johnson

    OriginalPaper Pages: 101 - 117

14. Measurement of manganese amelioration of cadmium toxicity inChlorella pyrenoidosa using turbidostat culture

    • William N. Bennett

    OriginalPaper Pages: 118 - 123

15. Influence of salinity and temperature on acute toxicity of cadmium toMysidopsis bahia Molenock

    • R. A. Voyer
    • Glen Modica

    OriginalPaper Pages: 124 - 131

16. Fluoride accumulation and bone strength in wild black-crowned night-herons

    • C. J. Henny
    • P. M. Burke

    OriginalPaper Pages: 132 - 137

17. Inhibitory effects of vanadium pentoxide on respiration of rat liver mitochondria

    • Lech Zychlinski
    • Janusz Z. Byczkowski

    OriginalPaper Pages: 138 - 142

18. Landfill leachate: A study of its anaerobic mineralization and toxicity to methanogenesis

    • Owen A. O'Connor
    • Richard Dewan
    • L. Y. Young

    OriginalPaper Pages: 143 - 147

19. Effect of 1,1-dimethylhydrazine on lymphoproliferation and interleukin 2 immunoregulatory function

    • Richard M. Bauer
    • Melinda J. Tarr
    • Richard G. Olsen

    OriginalPaper Pages: 148 - 153

20. Chromatographic determination of dicofol and metabolites in egg yolks

    • Charles R. Mourer
    • Gregory L. Hall
    • Steven E. Schwarzbach

    OriginalPaper Pages: 154 - 156