1. Analysis of sulfur-containing components of a soil treated with simulated acid rain

   • Gary W. Vanloon
   • George W. Hay
   • Raymond H-T. Goh

   OriginalPaper Pages: 233 - 240

2. Survey onYersinia Enterocolitica and related bacteria in shellfish

   • Claudio Chiesa
   • Alma Dal Prà
   • Adriano Zugno

   OriginalPaper Pages: 241 - 244

3. Ciliates in a waste stabilization pond system in Mexico

   • Fermin Rivera
   • M. Rosario Sanchez
   • Arturo Calderon

   OriginalPaper Pages: 245 - 262

4. Atmospheric aerosols and gases in rural Nova Scotia and their dependence on air flow

   • Truis Smith-Palmer
   • Byron R. Wentzell

   OriginalPaper Pages: 263 - 271

5. Streptococcal population profiles as indicators of water quality

   • Anthony A. Rutkowski
   • Robert E. Sjogren

   OriginalPaper Pages: 273 - 284

6. Failure of spring turnover in Onondaga Lake, NY, U.S.A.

   • Steven W. Effler
   • Mary Gail Perkins

   OriginalPaper Pages: 285 - 291

7. Cadmium soil sorption at low concentrations: V. Evidence of competition by other heavy metals

   • Thomas H. Christensen

   OriginalPaper Pages: 293 - 303

8. Cadmium soil sorption at low concentrations: VI. A model for zinc competition

   • Thomas H. Christensen

   OriginalPaper Pages: 305 - 314

9. Distribution of Zn in a Northwestern Mediterranean River

   • L. Huynh Ngoc
   • N. Whitehead
   • B. Oregioni

   OriginalPaper Pages: 315 - 324

10. Acid pulses from snowmelt at acidic cone pond, New Hampshire

    • S. Fay Baird
    • Donald C. Buso
    • James W. Hornbeck

    OriginalPaper Pages: 325 - 338