1. Editorial

   Editorial Introduction Pages: 349 - 349

2. 16S rDNA-based characterization of BTX-catabolizing microbial associations isolated from a South African sandy soil

   • Theresia K. Ralebitso
   • Wilfred F. M. Röling
   • Henk W. van Verseveld

   OriginalPaper Pages: 351 - 357

3. Acetate conversion in anaerobic biogas reactors: Traditional and molecular tools for studying this important group of anaerobic microorganisms

   • Jens Ejbye Schmidt
   • Zusana Mladenovska
   • Birgitte Kiær Ahring

   OriginalPaper Pages: 359 - 364

4. Viscosity properties of mineral paraffinic base oils as a key factor in their primary biodegradability

   • Frédérique Haus
   • Guy-Alain Junter
   • Jean German

   OriginalPaper Pages: 365 - 369

5. Growth rate influences reductive biodegradation of the organophosphorus pesticide demeton by Corynebacterium glutamicum

   • Laurence Girbal
   • Jean-Luc Rols
   • Nicholas D. Lindley

   OriginalPaper Pages: 371 - 376

6. Degradation of organic contaminants found in organic waste

   • I. Angelidaki
   • A.S. Mogensen
   • B.K. Ahring

   OriginalPaper Pages: 377 - 383

7. Bioremediation of oil polluted aquatic systems and soils with novel preparation `Rhoder'

   • Valentina Murygina
   • Mikhail Arinbasarov
   • Sergey Kalyuzhnyi

   OriginalPaper Pages: 385 - 389

8. Nutrient-limited biodegradation of PAH in various soil strata at a creosote contaminated site

   • Gijs D. Breedveld
   • Magnus Sparrevik

   OriginalPaper Pages: 391 - 399

9. Anaerobic treatability and biogas production potential studies of different agro-industrial wastewaters in Turkey

   • Göksel N. Demirer
   • Metin Duran
   • Tuba H. Ergüder

   OriginalPaper Pages: 401 - 405

10. Acidogenic fermentation of source separated mixtures of vegetables and fruits wasted from supermarkets

    • P. Traverso
    • P. Pavan
    • J. Mata-Alvarez

    OriginalPaper Pages: 407 - 414

11. Anaerobic waste digestion in Germany – Status and recent developments

    • Peter Weiland

    OriginalPaper Pages: 415 - 421

12. Application of biofiltration to the degradation of hydrogen sulfide in gas effluents

    • Ana Elías
    • Astrid Barona
    • J. Luis Sanz

    OriginalPaper Pages: 423 - 427

13. Performance of a thermophilic sulfate and sulfite reducing high rate anaerobic reactor fed with methanol

    • Jan Weijma
    • Look W. Hulshoff Pol
    • Gatze Lettinga

    OriginalPaper Pages: 429 - 439

14. In situ corrosion control in industrial water systems

    • J.F. Batista
    • R.F.C. Pereira
    • M.A.M. Reis

    OriginalPaper Pages: 441 - 448