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NEN EN ISO 6222 : 1999

Current
Current

The latest, up-to-date edition.

WATER QUALITY - ENUMERATION OF CULTURABLE MICRO-ORGANISMS - COLONY COUNT BY INOCULATION IN A NUTRIENT AGAR CULTURE MEDIUM
Published date

12-01-2013

Defines a procedure for enumerating culturable micro-organisms in water by counting the colonies formed in a nutrient agar culture medium, following aerobic incubation at 36 deg C and 22 deg C. Meant to measure the operational efficiency of the treatment process of public drinking water supplies and for generally applying to all kinds of water. Especially applies to the examining of water for human consumption, including water in closed containers and natural mineral waters.

DevelopmentNote
Supersedes NEN 6550 and NEN 6560 (08/2002)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current
Supersedes

Standards Relationship
UNI EN ISO 6222 : 2001 Identical
UNE-EN ISO 6222:1999 Identical
ISO 6222:1999 Identical
BS EN ISO 6222:1999 Identical
DIN EN ISO 6222:1999-07 Identical
EN ISO 6222 : 1999 Identical

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