![header thumbnail](/images/publishers\nen_cover.gif)
NEN NPR 6277 : 2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
![header thumbnail](/images/publishers\nen_cover.gif)
GUIDE TO NEN-EN-ISO 9308-1:2000 - WATER QUALITY - DETECTION AND ENUMERATION OF ESCHERICHIA COLI AND COLIFORM BACTERIA - PART 1: MEMBRANE FILTRATION METHOD
11-11-2014
12-01-2013
Provides some issues as a guide to the described methods in NEN/ISO 9308-1 to determine the coliform bacteria and Escherichia coli in water by using the available information in NPR 6554 and NPR 6262.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.