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NEN 6552 : 1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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BACTERIOLOGICAL EXAMINATION OF DRINKING WATER - EXAMINATION BY MEANS OF MEMBRANE FILTRATION FOR THE PRESENCE OF THERMOTOLERANT COLIFORM BACTERIA
23-08-2011
12-01-2013
Provides a method to demonstrate thermotolerant coliform bacteria by filtering a sample of water through a membrane filter, by incubating the filter on a suitable selective medium and confirming typical colonies. Applies to the bacteriological examination of drinking water.
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