1. Editorial

   • A. H. El-Shaarawi

   EditorialNotes Pages: iii - iii

2. Publisher's announcement

   Announcement Pages: iv - iv

3. Statistical methods to apportion the sources of particles in the industrial region of Estarreja—Portugal

   • C. Borrego
   • C. A. Pio

   OriginalPaper Pages: 79 - 87

4. The distribution of monthly rainfall intensity at some sites in Saudi Arabia

   • A. M. Abouammoh

   OriginalPaper Pages: 89 - 100

5. The economics of transboundary air pollution in Europe

   • Ekko C. Van Ierland

   OriginalPaper Pages: 101 - 122

6. True and false positive rates in maximum contaminant level tests

   • Jacqueline Oler

   OriginalPaper Pages: 123 - 136

7. Statistical analysis of effects of measures against agricultural pollution

   • Hans Viggo Sæbø

   OriginalPaper Pages: 137 - 146

8. Air pollution and diseases of the respiratory tracts in pre-school children: A transfer function model

   • Ulrich Helfenstein
   • Ursula Ackermann-Liebrich
   • Hans Urs Wanner

   OriginalPaper Pages: 147 - 156

9. The Niagara River: A water quality management overview

   • F. J. Philbert

   OriginalPaper Pages: 157 - 166

10. Time series valued experimental designs: A review

    • Brajendra C. Sutradhar
    • Ian B. Macneill

    OriginalPaper Pages: 167 - 180

11. Extent of acidification in Southwestern Québec lakes

    • J. Dupont

    OriginalPaper Pages: 181 - 199

12. A statistical approach to field measurements of the chemical evolution of cold (<0°C) snow cover

    • Claude Laberge
    • Gerald Jones

    OriginalPaper Pages: 201 - 216

13. Statistical control of hygienic quality of bathing water

    • Per Settergren Sørensen
    • Jes La Cour Jansen
    • Henrik Spliid

    OriginalPaper Pages: 217 - 226

14. Relationships between water mass characteristics and estimates of fish population abundance from trawl surveys

    • Stephen J. Smith
    • R. Ian Perry
    • L. Paul Fanning

    OriginalPaper Pages: 227 - 245

15. Sampling inference, an alternate statistical model

    • Walter W. Zwirner

    OriginalPaper Pages: 247 - 252

16. Statistical needs in national water quality monitoring programs

    • Roy E. Kwiatkowski

    OriginalPaper Pages: 253 - 271

17. An application of multivariate analysis to acid rain data in Northern Italy to discriminate natural and man-made compounds

    • Giovanna Finzi
    • Alberto Novo
    • Silvio Viarengo

    OriginalPaper Pages: 273 - 280

18. Characterization of hydrocarbon contaminated areas by multivariate statistical analysis: Case studies

    • Guadalupe Saenz
    • Nicholas E. Pingitore

    OriginalPaper Pages: 281 - 302

19. Framework for enhancing the statistical design of aquatic environmental studies

    • Fernando Camacho
    • Gian L. Vascotto

    OriginalPaper Pages: 303 - 314

20. Analysis of two-way layout of count data with negative binomial variation

    • A. Maul
    • A. H. El-Shaarawi

    OriginalPaper Pages: 315 - 322

21. An overview of the acidification of lakes in Atlantic Canada

    • Geoff Howell
    • A. H. El-Shaarawi

    OriginalPaper Pages: 323 - 338

22. Statistical inference from multiply censored environmental data

    • A. H. El-Shaarawi
    • A. Naderi

    OriginalPaper Pages: 339 - 347

23. Announcement

    Announcement Pages: 349 - 349