Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and materials
6 Preparation of the stock cultures and
working cultures of the test bacteria
7 Procedures
8 Calculation and expression of results
9 Test report
10 Quality assurance
ANNEX A (informative) - Test chamber
ANNEX B (informative) - Natural decay rate
according to operating mode of air purifier
ANNEX C (informative) - Homogeneity of airborne
culturable bacteria in the test chamber
Bibliography