1. Validation of Hippuric Acid as a Biomarker of Toluene Exposure

   • Y. Duydu
   • S. Süzen
   • N. Vural

   Pages: 1 - 8

2. Use of Ozone and Hydrogen Peroxide to Remove Alachlor from Surface Water

   • F. Beltrán
   • B. Acedo
   • J. Rivas

   Pages: 9 - 14

3. PCDDs/PCDFs, Coplanar PCBs and PCBs in Barn Owl Eggs from Different Areas in the State of Brandenburg, Germany

   • T. Wiesmüller
   • B. Schlatterer
   • R. Schneider

   Pages: 15 - 24

4. Efficiency of Grass Buffer Strips and Cropping System on Off-Site Dacthal Movement

   • G. F. Antonious

   Pages: 25 - 32

5. Residue Analysis of Imazapyr and Chlozolinate in Water Using Sunlight

   • A. Santoro
   • M. Mansour
   • S. A. Bufo

   Pages: 33 - 38

6. Persistence of Organophosphorus Pesticide Residues in Limón River Waters

   • D. Medina
   • A. Prieto
   • A. Abreu de V

   Pages: 39 - 44

7. Distribution of Mercury in Sediments from La Paz Lagoon, Peninsula of Baja California, Mexico

   • F. S. Kot
   • C. Green-Ruiz
   • D. Rodríguez-Meza

   Pages: 45 - 51

8. Heavy Metals in Intertidal Surface Sediments from the Patagonian Coast, Argentina

   • M. N. Gil
   • M. A. Harvey
   • J. L. Esteves

   Pages: 52 - 58

9. Relationship Between Trace Metal Concentrations and Hardness in Drinking Water in Taiwan

   • C.-Y. Yang

   Pages: 59 - 64

10. Bioindication of Heavy Metals by Mimulus guttatus from the Czeska Struga Stream in the Karkonosze Mountains, Poland

    • A. Samecka-Cymerman
    • A. J. Kempers

    Pages: 65 - 72

11. Distribution of Trace Metals in Different Tissues in the Rock Oyster Crassostrea iridescens: Seasonal Variation

    • M. G. Frías-Espericueta
    • J. I. Osuna-López
    • G. López-López

    Pages: 73 - 79

12. Heavy Metal Concentrations in Mandibles of White-Tailed Deer Living in the Picher Mining District

    • J. M. Conder
    • R. P. Lanno

    Pages: 80 - 86

13. Soil Leaching Column Chromatographic Technique for Estimation of Leaching Behavior of Atrazine, Deethylatrazine, Deisopropylatrazine, and Hydroxyatrazine on Soil

    • F. Xu
    • X.-M. Liang
    • A. Kettrup

    Pages: 87 - 93

14. Linear Alkylbenzene Sulphonates: Biodegradability and Isomeric Composition

    • J. A. Perales
    • M. A. Manzano
    • J. M. Quiroga

    Pages: 94 - 100

15. Effect of Ozonation of Naphthalene Derivatives on Their Elimination, TOC, and Biodegradability

    • Zhu S.
    • Zhang Q.
    • Lian H.

    Pages: 101 - 108

16. Determination of Kow Values for a Series of Aryl Glucuronides

    • D. W. Kuehl
    • J. Christensen

    Pages: 109 - 116

17. Biochemical and Histopathological Changes in Certain Tissues of Oreochromis mossambicus (Trewaves) Under Ambient Urea Stress

    • P. Balasubramanian
    • T. S. Saravanan
    • M. K. Palaniappan

    Pages: 117 - 124

18. Response of Genotypes of Hyalella azteca to Zinc Toxicity

    • J. B. Eisenhauer
    • K. Brown Sullivan
    • M. J. Lydy

    Pages: 125 - 132

19. Acute Toxicity of Malathion and the New Surfactant “Genapol OXD 080” on Species of Rice Basins

    • E. Cano
    • A. Jimenez
    • M. E. Ocete

    Pages: 133 - 138