Back

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Withdrawn from 14.05.2014
ICS Groups
07.100.20 Microbiology of water
Directives or regulations
None

Standard history

Status
Date
Type
Name
14.05.2014
Main
ISO 11133:2014
Main
ISO 9998:1991
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.

Required fields are indicated with *

*
*
*
PDF
169.14 € incl tax
Paper
169.14 € incl tax
Standard monitoring
English (PDF 561 KB)

Related products

Main

ISO 11133:2014

Microbiology of food, animal feed and water -- Preparation, production, storage and performance testing of culture media
Newest version Valid from 14.05.2014
Main

EVS-EN ISO 8199:2018

Water quality - General requirements and guidance for microbiological examinations by culture (ISO 8199:2018)
Newest version Valid from 16.11.2018
Main

EVS-EN ISO 11731:2017

Water quality - Enumeration of Legionella (ISO 11731:2017)
Newest version Valid from 16.06.2017
Amendment

EVS-EN ISO 11133:2014/A1:2018

Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media - Amendment 1 (ISO 11133:2014/Amd 1:2018)
Valid from 02.04.2018

Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English