Characterization of the Biosand Filter for Microbial Reductions Under Controlled Laboratory and Field Use Conditions STAUBER, C. ELLIOT, M. KOKSAL, F. ORTIZ, G. LIANG, K. DIGIANO, F. SOBSEY, M. (2006): Characterization of the Biosand Filter for Microbial Reductions Under Controlled Laboratory and Field Use Conditions. Water Science and Technology