1. Atmospheric sulphur dioxide and rainwater at a coastal locality in N.W. England

   • A. J. Whare
   • P. A. James

   OriginalPaper Pages: 237 - 242

2. Effects of environmental and biological variables on the toxicity of mercuric chloride

   • S. R. Verma
   • Ramesh Chand
   • I. P. Tonk

   OriginalPaper Pages: 243 - 248

3. Air quality impact of the nanticoke industrial development

   • H. Sahota
   • P. Kiely
   • M. Lusis

   OriginalPaper Pages: 249 - 263

4. Survival of bacillus thuringiensis var. kurstaki in waters

   • A. S. Menon
   • J. De Mestral

   OriginalPaper Pages: 265 - 274

5. A color removal process for kraft pulp and paper mill effluents

   • R. G. Rosehart

   OriginalPaper Pages: 275 - 284

6. Distribution of inorganic constituents in soil following land treatment of refinery wastes

   • K. W. Brown
   • L. E. Deuel Jr.
   • J. C. Thomas

   OriginalPaper Pages: 285 - 300

7. Studies of forest floor biological activities in an area previously damaged by sulphur dioxide emissions

   • Hans-Örjan Nohrstedt

   OriginalPaper Pages: 301 - 311

8. Acid precipitation and surface-water vulnerability on the western slope of the high colorado rockies

   • John Harts
   • Greg P. Lockett
   • Charles Blanchard

   OriginalPaper Pages: 313 - 320

9. The influence of stand density and canopy position on sulfur content in needles of Norway spruce (Picea abies L. Karst.)

   • H. Hager
   • M. Kazda

   OriginalPaper Pages: 321 - 329

10. A multivariate analysis of element concentrations in Sphagnum magellanicum Brid. in the Maritime Provinces, Canada

    • Kevin E. Percy
    • Susan A. Borland

    OriginalPaper Pages: 331 - 338

11. Metal concentrations in the ground water of the Ouachita Mountains, Arkansas, U.S.A.

    • George H. Wagner
    • Kenneth F. Steele

    OriginalPaper Pages: 339 - 347

12. Book review

    • John C. Glaub

    BookReview Pages: 348 - 348