Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principle of the method
6 Specification of the two-stage virtual impactor
7 Sampling train
8 Preparation, measurement procedure and
post-treatment
9 Calculation of the results
10 Performance characteristics
11 Reporting
Annex A (informative) - Physical property estimation
for the calculation of sample volumetric
flow rate
Annex B (informative) - Errors by deviations from
isokinetic sampling
Annex C (informative) - Example of a two stage virtual
impactor
Annex D (informative) - Influence of variations in the
flue gas temperature and flue gas
composition on the Reynolds number
Annex E (informative) - Entry nozzle
Annex F (informative) - Equipment list
Annex G (normative) - Determination of a representative
sampling point
Annex H (informative) - Generation of standard aerosol
for virtual impactor calibration
Bibliography