1. Filtration capacity of some molluscs of the Caspian Sea

   • A. G. Kasymov
   • N. F. Likhodeyeva

   OriginalPaper Pages: 279 - 288

2. A comparison of carbon-14 incubation techniques

   • Russell H. Plumb Jr.
   • G. Fred Lee

   OriginalPaper Pages: 289 - 299

3. Rate controlling processes in the release, of radium-226 from uranium mill tailings

   • Jatin S. Nathwani
   • Colin R. Phillips

   OriginalPaper Pages: 301 - 308

4. Rate controlling processes in the release of radium-226 from uranium mill tailings

   • Jatin S. Nathwani
   • Colin R. Phillips

   OriginalPaper Pages: 309 - 317

5. Beryllium effects on potatoes and oats in acid soil

   • Hinrich L. Bohn
   • Gerd Seekamp

   OriginalPaper Pages: 319 - 322

6. The roles of water vapor and carbon monoxide in the photooxidation of propylene

   • Yen V. Nguyen
   • Colin R. Phillips

   OriginalPaper Pages: 323 - 337

7. Degradation of selected polycyclic aromatic hydrocarbons in coastal sediments: Importance of microbes and polychaete worms

   • Wayne S. Gardner
   • Richard F. Lee
   • Larry W. Smith

   OriginalPaper Pages: 339 - 347

8. Fecal coliform and E. coli estimates, tip of the iceberg

   • B. J. Dutka
   • S. Kuchma
   • K. K. Kwan

   OriginalPaper Pages: 349 - 362

9. BOD/TOC correlations and their application to water quality evaluation

   • Thomas W. Constable
   • Edward R. McBean

   OriginalPaper Pages: 363 - 375

10. Effects of acid mine drainage on a Southwestern Pennsylvania stream

    • Thomas C. Moon
    • Constance M. Lucostic

    OriginalPaper Pages: 377 - 390

11. Harmonization of air pollution control in the European community

    • J. Smeets

    OriginalPaper Pages: 391 - 400

12. Book reviews

    • K. C. Pillai
    • C. Golueke

    BookReview Pages: 401 - 405

13. Announcements

    Announcement Pages: 407 - 411

14. Erratum

    Erratum Pages: 413 - 413