1. Direct and Indirect Exogenous Contamination by Pesticides of Rice-Farming Soils in a Mediterranean Wetland

   • M. Gamón
   • E. Sáez
   • R. Boluda

   Pages: 0141 - 0151

2. Statistical Implications of Pyrene and Phenanthrene Sorptive Phenomena: Effects of Sorbent and Solute Properties

   • S. Hwang
   • T. J. Cutright

   Pages: 0152 - 0159

3. Distribution of Heavy Metals in the Street Dusts and Soils of an Industrial City in Northern Spain

   • A. Ordóñez
   • J. Loredo
   • S. Charlesworth

   Pages: 0160 - 0170

4. Assessment of Organochlorine Pesticide Residues in West African City Farms: Banjul and Dakar Case Study

   • P. Manirakiza
   • O. Akinbamijo
   • P. Schepens

   Pages: 0171 - 0179

5. The Concentrations and Bioconcentration Factors of Copper and Zinc in Edible Mushrooms

   • J. Alonso
   • M. A. García
   • M. J. Melgar

   Pages: 0180 - 0188

6. Impacts of Cd and Zn on the Development of Periphytic Diatom Communities in Artificial Streams Located Along a River Pollution Gradient

   • C. Gold
   • A. Feurtet-Mazel
   • A. Boudou

   Pages: 0189 - 0197

7. Phytotoxicity of 2,4,6-Trinitrotoluene (TNT) and Octahydro-1,3,5,7-Tetranitro-1,3,5,7-Tetrazocine (HMX) in Spiked Artificial and Natural Forest Soils

   • P. Y. Robidoux
   • G. Bardai
   • G. I. Sunahara

   Pages: 0198 - 0209

8. The Combined Effects of Hardness, pH, and Dissolved Organic Carbon on the Chronic Toxicity of Zn to D. magna: Development of a Surface Response Model

   • D. G. Heijerick
   • C. R. Janssen
   • W. M. De Coen

   Pages: 0210 - 0217

9. A Comparison of the Metal Content of Some Benthic Species from Coastal Waters of the Florida Panhandle Using High-Resolution Inductively Coupled Plasma Mass Spectrometry (ICP-MS) Analysis

   • R. B. Philp
   • F. Y. Leung
   • C. Bradley

   Pages: 0218 - 0223

10. PCB and PCDD/F Totals, TEQs, and Congener Patterns in Korean Coastal Marine Environments, 1987, 1988, 1990, and 1996–1999

    • J. R. Oh
    • M. G. Ikonomou
    • S.-H. Hong

    Pages: 0224 - 0236

11. Bioconcentration and Toxicity of Dodecylbenzene Sulfonate (C₁₂LAS) to Aquatic Organisms Exposed in Experimental Streams

    • D. J. Versteeg
    • J. M. Rawlings

    Pages: 0237 - 0246

12. The Effects of Anti-Androgenic and Estrogenic Disrupting Contaminants on Breeding Gland (Nuptial Pad) Morphology, Plasma Testosterone Levels, and Plasma Vitellogenin Levels in Male Xenopus laevis (African Clawed Frog)

    • J. H. van Wyk
    • E. J. Pool
    • A. J. Leslie

    Pages: 0247 - 0256

13. Embryotoxic Thresholds of Mercury: Estimates from Individual Mallard Eggs

    • G. H. Heinz
    • D. J. Hoffman

    Pages: 0257 - 0264

14. Mercury Occurrence in Prothonotary Warblers (Protonotaria citrea) Inhabiting a National Priorities List Site and Reference Areas in Southern Alabama

    • Blakely M. Adair
    • Kevin D. Reynolds
    • George P. Cobb

    Pages: 0265 - 0271

15. Biological Effects of Gestational and Lactational PCB Exposure in Neonatal and Juvenile C57BL/6 Mice

    • S. M. Arena
    • E. H. Greeley
    • M. Segre

    Pages: 0272 - 0280