Ronen, D., Hydrological Service, Water Quality Division, Israel Water Authority, POB 20365, Tel Aviv, 61203, Israel, Department of Hydrology and Microbiology, Zuckerberg Institute for Water Research, Blaustein Institutes for Desert Research, Sde Boker Campus, 84990, Israel
Lev-Wiener, H., Department of Geological and Environmental Sciences, Ben Gurion University of the Negev, Be'er Sheva Campus, 84105, Israel
Graber, E.R., Institute of Soil, Water and Environmental Sciences, The Volcani Center, Agricultural Research Organization, POB 6, Bet Dagan, 50250, Israel
Dahan, O., Department of Hydrology and Microbiology, Zuckerberg Institute for Water Research, Blaustein Institutes for Desert Research, Sde Boker Campus, 84990, Israel
Weisbrod, N., Department of Hydrology and Microbiology, Zuckerberg Institute for Water Research, Blaustein Institutes for Desert Research, Sde Boker Campus, 84990, Israel

Concentrations of chlorinated volatile organic compounds (Cl-VOCs) at the saturated-unsaturated interface region (SUIR; depth of ∼18 m) of a sandy phreatic aquifer were measured in two monitoring wells located 25 m apart. The concentrations of the Cl-VOCs obtained above and below the water table along a 413-day period are interpreted to depict variable, simultaneous and independent movement of trichlorothene, tetrachloroethene, 1,1-dichloroethene, cis-1,2-dichloroethene, 1,1,1-trichloroethane, chloroform and 1,1-dichloroethane vapors in opposite directions across the SUIR. © 2009 Elsevier Ltd. All rights reserved.