NEN NPR 6558 : 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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
EXPLANATORY COMMENTS ON NEN 6557 - "BACTERIOLOGICAL EXAMINATION OF DRINKING WATER - EXAMINATION BY MEANS OF FERMENTATION TESTS OF COLIFORM BACTERIA AND THERMOTOLERANT COLIFORM BACTERIA"
23-08-2011
12-01-2013
Treats a number of subjects as explanatory comments on the examination of drinking water for the presence and thermotolerance of coliform bacteria by means of fermentation tests in accordance with NEN 6557.
| DevelopmentNote |
Supersedes NEN N 3043 (08/2002)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Withdrawn
|
| Supersedes |
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