1. STABLE ISOTOPE FRACTIONATION OF GAMMA HEXACHLORCYCLOHEXANE (LINDANE) DURING REDUCTIVE DECHLORINATION BY SULPHATE-REDUCING BACTERIA. Authors: STEFANIE WEBER, SILVIU-LAURENTIU BADEA, HANS-HERMANN RICHNOW, CARSTEN VOGT, ANDREI-FLORIN DANET.2. COMPOUND-SPECIFIC STABLE ISOTOPE ANALYSIS (CSIA) FOR MONITORING IN SITU BENZENE BIODEGRADATION IN CONTAMINATED AQUIFERS. Authors: ANKO FISCHER, CARSTEN VOGT, STEFFI HERRMANN, KATJA THEUERKORN, ILKA HERKLOTZ, MARTIN THULLNER, HANS-HERMANN RICHNOW.