1. Letter to the Editor

   • C. Cleet

   OriginalPaper Pages: 1 - 3

2. Authors’ Response

   • C. A. Crone

   OriginalPaper Pages: 4 - 7

3. Effect of Heavy Metals on the Activity of External Carbonic Anhydrase of Microalga Chlamydomonas reinhardtii and Microalgae from Karst Lakes

   • B. Wang
   • C.-Q. Liu
   • Y. Wu

   OriginalPaper Pages: 227 - 233

4. Methods to Estimate Losses in Preemergence Herbicide Sprays

   • A. G. F. Costa
   • C. G. Raetano
   • A. L. Cavenaghi

   OriginalPaper Pages: 8 - 15

5. Moving Plant Toxicology from the Greenhouse to the Field: A Method that Incorporates the Positive Attributes of Each

   • T. Pfleeger

   OriginalPaper Pages: 16 - 23

6. Effects of Chlorination on the Persistence of Pharmaceuticals in the Environment

   • S. T. Glassmeyer
   • J. A. Shoemaker

   OriginalPaper Pages: 24 - 31

7. Biodegradation of Selected PAH from Sediment in Bioslurry Reactors

   • D. Dean-Ross

   OriginalPaper Pages: 32 - 39

8. Dissipation of β-Cyfluthrin in Water as Affected by Sediment, pH, and Temperature

   • S. Gupta
   • V. T. Gajbhiye

   OriginalPaper Pages: 40 - 47

9. In Situ and Laboratory Microalgal Assays in the Tropics: A Microcosm Simulation of Edge-of-Field Pesticide Runoff

   • M. Moreira-Santos
   • E. M. da Silva
   • R. Ribeiro

   OriginalPaper Pages: 48 - 55

10. Food Chain Transfer of Perchlorate in Largemouth Bass, Micropterus salmoides

    • J.-W. Park
    • J. Rinchard
    • C. W. Theodorakis

    OriginalPaper Pages: 56 - 63

11. Airborne Perfluorooctanoate May Be a Substantial Source Contamination in Kyoto Area, Japan

    • K. Harada
    • S. Nakanishi
    • A. Koizumi

    OriginalPaper Pages: 64 - 69

12. Airborne Exposure During Asbestos Abatement of Floor Tile, Wall Plaster, and Pipe Insulation

    • J. H. Lange

    OriginalPaper Pages: 70 - 72

13. Occurrence of Fumonisin B₁ and Hydrolyzed Fumonisin B₁ in Mexican Nixtamalized Cornmeal

    • M. O. Cortez-Rocha
    • M. E. Gil-León
    • F. J. Cinco-Moroyoqui

    OriginalPaper Pages: 73 - 77

14. Removal of Cadmium Ions from Industrial Waste Water Plants Around Cairo

    • S. H. Abdel-Halim
    • A. M. A. Shehata
    • M. F. El-Shahat

    OriginalPaper Pages: 78 - 85

15. Genotoxicity of Radiographic Photofilm Wastewater: Influence of the Treatment with a Metal Exchange Unit

    • H. E. Muzio
    • A. Magdaleno
    • J. Moretton

    OriginalPaper Pages: 86 - 93

16. Acute Toxicity of Diazinon to the Amphipod, Gammarus pseudolimnaeus: Implications for Water Quality Criteria Development

    • L. W. Hall Jr
    • R. D. Anderson

    OriginalPaper Pages: 94 - 99

17. Toxicity of Agricultural Dust Extract Using Microtox™

    • S. K. Ghosh
    • M. R. Desai
    • P. K. Kulkarni

    OriginalPaper Pages: 100 - 106

18. PCB-Induced Hepatic CYP1A Induction is Associated with Innate Immune Dysfunction in a Feral Teleost Fish

    • J. E. Duffy
    • Y. Li
    • J. T. Zelikoff

    OriginalPaper Pages: 107 - 113

19. Effects of Low Dose Tributyltin on Activities of Hepatic Antioxidant and Phase II Enzymes in Sebastiscus marmoratus

    • C. G. Wang
    • Y. X. Chen
    • Q. Yu

    OriginalPaper Pages: 114 - 119

20. Glycogen, Proteins, and Aminotransferase (GOT, GPT) Changes in the Frog Rana ridibunda Exposed to High Concentrations of Copper

    • E. Papadimitriou
    • N. S. Loumbourdis

    OriginalPaper Pages: 120 - 125

21. Influence of Nonphotochemical Quenching in Methylviologen Treated Dandelion Leaves (Taraxacum officinaleWeber) on Energy Storage Measured by Photoacoustic Spectroscopy

    • J. Szurkowski
    • W. Dobrowolska

    OriginalPaper Pages: 126 - 132

22. Effects of Alpha-Pinene and Trichloroethylene on Oxidation Potentials of Methanotrophic Bacteria

    • A. Pacheco
    • A. S. Lindner

    OriginalPaper Pages: 133 - 140

23. Dissipation of Lindane on Okra Under Subtropical Conditions at Ludhiana, Punjab, India

    • B. Singh
    • R. S. Battu

    OriginalPaper Pages: 141 - 145

24. Distribution of Persistent Organochlorine Pesticide Residues in Gomti River, India

    • K. P. Singh
    • A. Malik
    • R. Takroo

    OriginalPaper Pages: 146 - 154

25. Residues of Organochlorine Compounds in Human Breast Milk Collected from Beijing, People’s Republic of China

    • Z. Yao
    • Y. Zhang
    • G. Jiang

    OriginalPaper Pages: 155 - 161

26. Persistent Organochlorine Pesticide Residues in Alluvial Groundwater Aquifers of Gangetic Plains, India

    • K. P. Singh
    • A. Malik
    • S. Sinha

    OriginalPaper Pages: 162 - 169

27. Monitoring of Pesticide Residues in Vegetables (2000–2003) in Karachi, Pakistan

    • Z. Parveen
    • M. I. Khuhro
    • N. Rafiq

    OriginalPaper Pages: 170 - 176

28. Variation of Mercury Contamination in Chicks of Little Tern Sterna albifrons in Southwest Europe: Brood, Age, and Colony Related Effects

    • P. C. Tavares
    • L. R. Monteiro
    • R. W. Furness

    OriginalPaper Pages: 177 - 183

29. Trace Metals in Mosquito Coil Smoke

    • T.-S. Lin
    • F.-M. Shen

    OriginalPaper Pages: 184 - 189

30. Heavy Metals in Lichens from Roadsides and an Industrial Zone in Trabzon, Turkey

    • D. Mendil
    • M. Tuzen
    • M. Soylak

    OriginalPaper Pages: 190 - 194

31. Evaluation of Trace Metal Contents in Food Products Within the Network of Shops and Local Markets of Agra, India

    • R. Sharma
    • L. Chandreshwor
    • A. Kumar

    OriginalPaper Pages: 195 - 200

32. Atmospheric Deposition of Heavy Metals in Thrace Studied by Analysis of Moss (Hypnum cupressiforme)

    • M. Coşkun
    • M. V. Frontasyeva
    • M. Belivermis

    OriginalPaper Pages: 201 - 209

33. Accumulation of Metals in Vegetables and Crops Grown in the Area Irrigated with River Water

    • S. Sinha
    • K. Pandey
    • K. Bhatt

    OriginalPaper Pages: 210 - 218