1. Guest editorial

   • Al W. Bourquin

   EditorialNotes Pages: 205 - 206

2. Experimental linkage issues of petroleum site bioremediation

   • J. W. Blackburn
   • E. J. Harner
   • J. B. Wilkinson

   OriginalPaper Pages: 207 - 230

3. Microbial reductive dechlorination of PCBs

   • James M. Tiedje
   • John F. Quensen III
   • Stephen A. Boyd

   OriginalPaper Pages: 231 - 240

4. Effect of hydrogen peroxide on the biodegradation of PCBs in anaerobically dechlorinated river sediments

   • Paul J. Anid
   • Beatriz P. Ravest-Webster
   • Timothy M. Vogel

   OriginalPaper Pages: 241 - 248

5. Metabolic diversity of aromatic hydrocarbon-degrading bacteria from a petroleum-contaminated aquifer

   • Mark D. Mikesell
   • Jerome J. Kukor
   • Ronald H. Olsen

   OriginalPaper Pages: 249 - 259

6. Microbiological aspects of the removal of chlorinated hydrocarbons from air

   • Jan Dolfing
   • Arjan J. van den Wijngaard
   • Dick B. Janssen

   OriginalPaper Pages: 261 - 282

7. Biotechniques for air pollution control

   • Johan W. van Groenestijn
   • Paul G. M. Hesselink

   OriginalPaper Pages: 283 - 301

8. Molecular diagnostics of polycyclic aromatic hydrocarbon biodegradation in manufactured gas plant soils

   • J. Sanseverino
   • C. Werner
   • G. S. Sayler

   OriginalPaper Pages: 303 - 321