1. Principal components analysis of potential sources of polychlorinated dibenzop-dioxin and dibenzofuran residues in surficial sediments from Newark Bay, New Jersey

   • Richard J. Wenning
   • Dennis J. Paustenbach
   • Hadley Bedbury

   OriginalPaper Pages: 271 - 289

2. Accumulation of polychlorinated organic contaminants from sediment by three benthic marine species

   • R. J. Pruell
   • N. I. Rubinstein
   • R. D. Bowen

   OriginalPaper Pages: 290 - 297

3. The behavior and identification of toxic metals in complex mixtures: Examples from effluent and sediment pore water toxicity identification evaluations

   • M. K. Schubauer-Berigan
   • J. R. Amato
   • T. J. Norberg-King

   OriginalPaper Pages: 298 - 306

4. Boron, molybdenum, and selenium in aquatic food chains from the lower San Joaquin river and its tributaries, California

   • Michael K. Saiki
   • Mark R. Jennings
   • William G. Brumbaugh

   OriginalPaper Pages: 307 - 319

5. Polychlorinated biphenyls and chlorinated insecticides in plasma of Caspian terns: Relationships with age, productivity, and colony site tenacity in the great lakes

   • M. A. Mora
   • H. J. Auman
   • M. E. Ludwig

   OriginalPaper Pages: 320 - 331

6. Uptake of planar polychlorinated biphenyls and 2,3,7,8-substituted polychlorinated dibenzofurans and dibenzo-p-dioxins by birds nesting in the lower fox river and Green Bay, Wisconsin, USA

   • Gerald T. Ankley
   • Gerald J. Niemi
   • Cynthia Hagley

   OriginalPaper Pages: 332 - 344

7. 2,3,7,8-Tetrachlorodibenzo-p-dioxin equivalents in tissues of birds at Green Bay, Wisconsin, USA

   • Paul D. Jones
   • John P. Giesy
   • Gerald J. Niemi

   OriginalPaper Pages: 345 - 354

8. The use of bird feathers for the monitoring of cadmium pollution

   • A. Pilastro
   • L. Congiu
   • M. Turchetto

   OriginalPaper Pages: 355 - 358

9. Effects of pentachlorophenol-contaminated food organisms on toxicity and bioaccumulation in the frogXenopus laevis

   • Gerald S. Schuytema
   • Alan V. Nebeker
   • William L. Griffis

   OriginalPaper Pages: 359 - 364

10. The effects of dietary calcium and chlordecone on cholinesterase, triglycerides, low density lipoproteins, and cholesterol in serum of rat

    • K. N. Chetty
    • J. Walker
    • G. W. Ivie

    OriginalPaper Pages: 365 - 367

11. Subchronic toxicity of aniline hydrochloride in rats

    • M. Khan Firoze
    • Bhupendra S. Kaphalia
    • G. A. S. Ansari

    OriginalPaper Pages: 368 - 374

12. Effect of nitrite on ureagenesis and carbohydrate metabolism in isolated rat hepatocytes

    • M. Wiechetek
    • S. Garwacki
    • W. Souffrant

    OriginalPaper Pages: 375 - 380

13. Control of the Biofouling Mollusc,Dreissena polymorpha (Bivalvia: Dreissenidae), with sodium hypochlorite and with polyquaternary ammonia and benzothiazole compounds

    • M. D. Martin
    • G. L. Mackie
    • M. A. Baker

    OriginalPaper Pages: 381 - 388

14. Acute toxicity tests and pulsed-dose delayed mortality at 12 and 22°C in the zebra mussel (Dreissena polymorpha)

    • M. D. Martin
    • G. L. Mackie
    • M. A. Baker

    OriginalPaper Pages: 389 - 398

15. Levels of five mycotoxins in grains harvested in Atlantic Canada as measured by high performance liquid chromatography

    • G. W. Stratton
    • A. R. Robinson
    • M. Barbour

    OriginalPaper Pages: 399 - 409

16. Transfer of lead from shotgun pellets to humus and three plant species in a finnish shooting range

    • Sanni Manninen
    • Niina Tanskanen

    OriginalPaper Pages: 410 - 414

17. Announcements

    Announcement Pages: 415 - 415