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ISO 9998:1991

Water quality -- Practices for evaluating and controlling microbiological colony count media used in water quality tests

General information

Withdrawn from 14.05.2014
Directives or regulations
None

Standard history

Status
Date
Type
Name
14.05.2014
Main
Describes a method used for the comparison and evaluation of the same medium prepared from different lots of materials, and deals with the comparison and evaluation of different media which are used for the same purpose. Annexes A and B form an integral part of this Standard.

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