1. Nitrate assimilation in pea leaves in the presence of cadmium

   • D. N. Singh
   • H. S. Srivastava
   • Rana P. Singh

   OriginalPaper Pages: 1 - 5

2. Trace metals in two north Mediterranean Rivers

   • N. E. Whitehead
   • L. Huynh-Ngoc
   • S. R. Aston

   OriginalPaper Pages: 7 - 18

3. Aquatic insects as environmental monitors of trace metal contamination: Red River, New Mexico

   • T. R. Lynch
   • C. J. Popp
   • G. Z. Jacobi

   OriginalPaper Pages: 19 - 31

4. Two resistance mass transfer model for the adsorption of dyes onto Bagasse Pith

   • G. McKay
   • M. S. El Geundi
   • M. Z. Abdul Wahab

   OriginalPaper Pages: 33 - 46

5. Studies on the phytotoxicity of acid smuts

   • Giacomo Lorenzini
   • Alessandra Panattoni
   • Giorgio Schenone

   OriginalPaper Pages: 47 - 56

6. Residues of organochlorine insecticides in two lakes of Jaipur, India

   • Surendar Kumar
   • Rup Lal
   • Pradeep Bhatnagar

   OriginalPaper Pages: 57 - 65

7. Optimal design of single and multiple stage activated sludge processes

   • Ajay Aggarwal
   • Vinod Tare

   OriginalPaper Pages: 67 - 85

8. Standard error calculations for non-seasalt constituents in marine precipitation

   • Mark E. Hawley
   • James N. Galloway
   • William C. Keene

   OriginalPaper Pages: 87 - 102

9. Utilisation des plumes dans la recherche des sources de contamination des oiseaux par les elements traces: Cd, Cu, Hg, Pb, Se, ET Zn chez les flamants De Camargue, France

   • Richard P. Cosson
   • Claude Amiard-Triquet
   • Jean-Claude Amiard

   OriginalPaper Pages: 103 - 115

10. Analysis of the genotoxicity of municipal sewage sludge extracts with sister chromatid exchange in cultured human lymphocytes

    • Sara Engl
    • Michael J. Plewa
    • Philip K. Hopke

    OriginalPaper Pages: 117 - 128

11. Atmospheric deposition in forest edges measured by monitoring canopy throughfall

    • G. P. J. Draaijers
    • W. P. M. F. Ivens
    • W. Bleuten

    OriginalPaper Pages: 129 - 136

12. Bulk and wet atmospheric deposition chemistry at pallanza (N. Italy)

    • R. Mosello
    • A. Marchetto
    • G. A. Tartari

    OriginalPaper Pages: 137 - 151

13. Atmospheric lead and bromine levels in Downtown Baghdad

    • Shatha Y. Faiq
    • Faiza A. Al-Taie

    OriginalPaper Pages: 153 - 158

14. West Valley Plutonium and Americium-241 in Lake Ontario sediments off the mouth of Niagara River

    • S. R. Joshi

    OriginalPaper Pages: 159 - 168

15. Composition of individual nitrate-containing particles in non-urban atmospheres of Colorado, U.S.A. and Tel Aviv, Israel

    • E. Ganor
    • R. F. Pueschel

    OriginalPaper Pages: 169 - 181

16. Increasing contributions of nitrogen to the acidity of surface waters in Norway

    • Arne Henriksen
    • David F. Brakke

    OriginalPaper Pages: 183 - 201

17. Precipitation and streamwater chemistry from undisturbed watersheds in the cascade mountains of Oregon

    • C. Wayne Martin
    • R. Dennis Harr

    OriginalPaper Pages: 203 - 219

18. Critical deposition levels for nitrogen and sulphur on dutch forest ecosystems

    • W. De Vries

    OriginalPaper Pages: 221 - 239