caa a22 4500 477070477 CHVBK 20180405111423.0 cr unu---uuuuu 170330e19960301xx s 000 0 eng 10.1007/BF01591360 doi (NATIONALLICENCE)springer-10.1007/BF01591360 Microbiological contamination of drinking water in a commercial household water filter system [Elektronische Daten] [F. Daschner, H. Rüden, R. Simon, J. Clotten] The microbiological quality of filtered water in a commercial water filter system (Brita) was tested in households and in two laboratories. In 24 of 34 filters used in households, bacterial counts increased in the filtered water up to 6,000 cfu/ml. In 4 of 6 filters tested in the laboratory, bacterial counts in the fresh filtrate were higher than in tap water after approximately one week of use both at room temperature and at 4°C, suggesting growth or biofilm formation in the filter material. In some cases colony counts in the filtered water were 10,000 times those in tap water. The filter material of 5 of 13 new commercial filters was contaminated with bacteria or moulds. National or international regulatory agencies should ensure that water filters marketed for domestic use do not allow deterioration in the microbiological quality of drinking water. Springer-Verlag, 1996 Daschner F. Institute of Environmental Medicine and Hospital Epidemiology, Hugstetter Str. 55, 79106, Freiburg, Germany aut Rüden H. Institute for Hygiene, Benjamin Franklin University, Hindenburgdamm 27, 12203, Berlin, Germany aut Simon R. TÜV Energie und Umwelt GmbH, Robert-Bunsen-Str. 1, 79108, Freiburg, Germany aut Clotten J. Mibicon GmbH, Bismarckallee 10, 79098, Freiburg, Germany aut European Journal of Clinical Microbiology and Infectious Diseases Springer-Verlag 15/3(1996-03-01), 233-237 0934-9723 15:3<233 1996 15 10096 https://doi.org/10.1007/BF01591360 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01591360 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Daschner F. Institute of Environmental Medicine and Hospital Epidemiology, Hugstetter Str. 55, 79106, Freiburg, Germany aut NATIONALLICENCE 700 1- Rüden H. Institute for Hygiene, Benjamin Franklin University, Hindenburgdamm 27, 12203, Berlin, Germany aut NATIONALLICENCE 700 1- Simon R. TÜV Energie und Umwelt GmbH, Robert-Bunsen-Str. 1, 79108, Freiburg, Germany aut NATIONALLICENCE 700 1- Clotten J. Mibicon GmbH, Bismarckallee 10, 79098, Freiburg, Germany aut NATIONALLICENCE 773 0- European Journal of Clinical Microbiology and Infectious Diseases Springer-Verlag 15/3(1996-03-01), 233-237 0934-9723 15:3<233 1996 15 10096 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer