1. Characterization of Cholinesterases from Daphnia magna Straus and Their Inhibition by Zinc

   • T. C. Diamantino
   • E. Almeida
   • L. Guilhermino

   Pages: 0219 - 0225

2. Avoidance Response of Rainbow Trout Oncorhynchus mykiss to Heavy Metal Model Mixture after Long-Term Exposure in Early Development

   • G. Svecevičius

   Pages: 0226 - 0233

3. Effects of Long-Term Exposure of Low-Level Diesel Oil on the Antioxidant Defense System of Fish

   • J. F. Zhang
   • H. Shen
   • Y. F. Gu

   Pages: 0234 - 0239

4. Growth Retardation and Histopathology of Common Carp (Cyprinus carpio) Exposed to Gallium

   • J.-L. Yang
   • H.-C. Chen

   Pages: 0240 - 0247

5. Effect of Gammalin 20 (Lindane) on Differential White Blood Cell Counts of the African Catfish, Clarias albopunctatus

   • B. O. Mgbenka
   • N. S. Oluah
   • I. Umeike

   Pages: 0248 - 0254

6. Biochemical Responses of Potamogeton pectinatus L. Exposed to Higher Concentrations of Zinc

   • R. D. Tripathi
   • U. N. Rai
   • S. N. Singh

   Pages: 0255 - 0262

7. Detection of DNA Strand Breaks in the Liver of Boleophthalmus pectinirostris Treated with Benzo(a)pyrene

   • T. Feng
   • X. Q. Guo
   • D. X. Yuan

   Pages: 0263 - 0269

8. DNA and Lipid Damage in the Brown Mussel Perna perna from a Contaminated Site

   • E. A. Almeida
   • A. C. D. Bainy
   • P. Di Mascio

   Pages: 0270 - 0275

9. Coplanar Polychlorinated Biphenyl Congeners in the Liver of Galeus melastomus from Different Areas of the Mediterranean Sea

   • M. M. Storelli
   • A. Storelli
   • G. O. Marcotrigiano

   Pages: 0276 - 0282

10. pH-Dependent Toxicity of Heavy Metals to a Freshwater Sludgeworm Tubifex tubifex Muller

    • B. S. Khangarot
    • R. S. Rathore
    • B. B. Singh

    Pages: 0283 - 0289

11. Polychlorinated Biphenyls and Chlorinated Pesticides in Mussels Collected from the Egyptian Mediterranean Coast

    • A. El Nemr
    • T. O. Said
    • A. M. A. Abd-Allah

    Pages: 0290 - 0297

12. Organochlorine Pesticide Residues in Tana and Sabaki Rivers in Kenya

    • J. O. Lalah
    • P. O. Yugi
    • S. O. Wandiga

    Pages: 0298 - 0307

13. Trace Metal Contamination in Sediments of Barataria Bay, Louisiana

    • R. T. Powell
    • M. R. Alexander

    Pages: 0308 - 0314

14. Pesticide Residues in Soil and Quality of Potato Grown with Sewage Sludge

    • G. F. Antonious
    • M. A. Patterson
    • J. C. Snyder

    Pages: 0315 - 0322

15. Sorption of Cadmium and Effects on Growth, Protein Content, and Photosynthetic Pigment Composition of Nasturtium officinale R. Br. and Mentha aquatica L.

    • M. Aslan
    • M. Y. Ünlü
    • Y. Z. Yılmaz

    Pages: 0323 - 0329

16. Growth Parameters and Heavy Metal Accumulation in Poplar Tree Cultures (Populus euramericana) Utilizing Water and Sludge from a Sewage Treatment Plant

    • A. Tsakou
    • M. Roulia
    • N. S. Christodoulakis

    Pages: 0330 - 0337

17. Interaction Between Heavy Metals and Nitrogen Fertilizers Applied to Soil-Vegetable Systems

    • Q. Zhou

    Pages: 0338 - 0344

18. General Toxicity Prediction Approach for Mixtures Containing Polar Narcotic Chemicals

    • Z. Lin
    • C. Wu
    • S. Gao

    Pages: 0345 - 0353

19. Dissipation and Offsite Movement of Forestry Herbicides in Plants of Importance to Native Americans in California National Forests

    • C. Ando
    • R. Segawa
    • J. Hsu

    Pages: 0354 - 0361

20. Removal of Nitrate Contaminant in Porous Media Aquifer Through Microbiological Method

    • L. Zhao
    • Y. S. Yang
    • R. M. Kalin

    Pages: 0362 - 0369

21. Biodegradation of Pesticides by Immobilized Recombinant Escherichia coli

    • Ch.-L. Qiao
    • Y.-Ch. Yan
    • Y. Zhang

    Pages: 0370 - 0374

22. Efficiency of Wheat Bran for Removal of Organochlorine Compounds and Benzene from Solution

    • A. Adachi
    • Y. Yatani
    • T. Okano

    Pages: 0375 - 0378

23. Phytoremediation of a Lead-Contaminated Soil Using Morning Glory (Ipomoea lacunosa L.): Effects of a Synthetic Chelate

    • M. S. Kambhampati
    • G. B. Begonia
    • Y. Bufford

    Pages: 0379 - 0386

24. Geochemistry of Metals from Mine Tailings in Taxco, Mexico

    • M. A. Armienta
    • O. Talavera
    • M. Barrera

    Pages: 0387 - 0393

25. Phthalate Residues in Greenhouse Soil from Beijing Suburbs, People’s Republic of China

    • L. L. Ma
    • S. G. Chu
    • X. B. Xu

    Pages: 0394 - 0399

26. Insecticidal and Acaricidal Performance of Methyl Ketones in Wild Tomato Leaves

    • G. F. Antonious
    • D. L. Dahlman
    • L. M. Hawkins

    Pages: 0400 - 0407

27. Impact of Airborne Perfluorooctane Sulfonate on the Human Body Burden and the Ecological System

    • K. Sasaki
    • K. Harada
    • A. Koizumi

    Pages: 0408 - 0413

28. Improved Analytical Procedure for Determination of Clopyralid in Soil Using Gas Chromatography

    • R. Ahmad
    • A. Rahman
    • D. E. McNaughton

    Pages: 0414 - 0421

29. Temporal Effect of Carbofuran, a Carbamate Insecticide in the Interruption of Estrous Cycle and Follicular Toxicity in Female Swiss Albino Mice

    • P. N. Baligar
    • B. B. Kaliwal

    Pages: 0422 - 0428

30. Humic Acid Induces the Expression of ox-LDL Receptor in HL-60 Cells Through Activation of PPARγ

    • Y.-L. Huang
    • T.-S. Huang
    • F.-J. Lu

    Pages: 0429 - 0436