Foreword
Introduction
1 Scope
2 Definitions
3 Principles of sampling
4 Safety precautions
5 Technical considerations
6 Materials used in sampling
7 General preparation of equipment
8 Sampling equipment
9 Spot sampling
10 Direct sampling
11 Incremental sampling
Annex A (informative) Use of a block valve in direct sampling
Annex B (informative) Cleaning of steel sampling cylinders
Annex C (informative) Procedure for low-pressure sampling into
glass cylinders
Annex D (informative) Procedure for sampling by the fill-and-empty
method
Annex E (informative) Procedure for sampling by the controlled-rate
method
Annex F (informative) Procedure for sampling by the evacuated-cylinder
method
Annex G (informative) Guidelines for the calculation of the residence
time
Annex H (informative) Student's t-table
Annex J (informative) Bibliography