1. Editorial

   • Michael S. Switzenbaum
   • Piet N.L. Lens

   Editorial Introduction Pages: 103 - 104

2. Lignocellulose biodegradation: Fundamentals and applications

   • S. Malherbe
   • T.E. Cloete

   ReviewPaper Pages: 105 - 114

3. Origin, causes and effects of increased nitrite concentrations in aquatic environments

   • Sarah Philips
   • Hendrikus J. Laanbroek
   • Willy Verstraete

   ReviewPaper Pages: 115 - 141

4. A comprehensive review of the screening methodology for anaerobic biodegradability of surfactants

   • Keith Strevett
   • Irene Davidova
   • Joseph M. Suflita

   ReviewPaper Pages: 143 - 167

5. Developments in ecotoxicity testing

   • Ed. J.A.K. Mitchell
   • Joanna E. Burgess
   • Richard M. Stuetz

   ReviewPaper Pages: 169 - 198