1. Occurrence and distribution of chemical pollutants in Lake Mariut, Egypt. II. Heavy metals

   • Massoud A. H. Saad
   • A. A. Ezzat
   • H. Hafez

   OriginalPaper Pages: 401 - 407

2. Effects of pentachlorophenol on asymbiotic nitrogen fixation in soil

   • T. -Y. Tam
   • J. T. Trevors

   OriginalPaper Pages: 409 - 414

3. Primary production in a eutrophic acid lake

   • Greg A. Shellito
   • John Decosta

   OriginalPaper Pages: 415 - 431

4. Water quality along the Neapolitan coast

   • Elisabetta Tosti
   • Laura Volterra

   OriginalPaper Pages: 433 - 444

5. Transport of polycyclic aromatic hydrocarbons through a partly urbanized river basin

   • Reimer Herrmann

   OriginalPaper Pages: 445 - 467

6. Acidic precipitation: Considerations for an air quality standard

   • Lance S. Evans
   • George R. Hendrey
   • A. J. Francis

   OriginalPaper Pages: 469 - 509

7. Impact of phosphorus removal at the Danbury, Connecticut sewage treatment plant on water quality in Lake Lillinonah

   • R. Anne Jones
   • G. Fred Lee

   OriginalPaper Pages: 511 - 531

8. Announcements

   Announcement Pages: 533 - 534