I.S. EN ISO 7218:2007

Foreword
Introduction
1 Scope
2 Normative references
3 Premises
4 Staff
5 Apparatus and equipment
6 Preparation of glassware and other laboratory materials
7 Preparation and sterilization of culture media
8 Laboratory samples
9 Examination
10 Enumeration
11 Detection method (qualitative method)
12 Confirmatory methods
13 Test report
14 Validation of microbiological methods
15 Quality assurance of results/quality control of
   performance
Annex A (informative) - Properties of some disinfectants
Annex B (informative) - Confidence intervals for
        colony count technique
Annex C (normative) - Determination of most probable number
Annex D (normative) - Counting of colonies
        with two dishes per dilution
Bibliography

Provides general requirements and guidance/options intended for three main uses: - implementation of ISO/TC 34/SC 9 or ISO/TC 34/SC 5 standards for detection or enumeration of microorganisms, named hereafter 'specific standards'; - good laboratory practice for food microbiological laboratories (the purpose is not to detail them in this International Standard, manuals are available for that purpose); - guidance for accreditation of food microbiological laboratories (this International Standard describes the technical requirements according to Annex B of ISO/IEC 17025:2005 for the accreditation of a microbiological laboratory by national organizations).