NBN EN 838 : 2010

Foreword
0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Requirements
6 General test conditions
7 Test methods
8 Levels of evaluation
9 Test report
10 Marking
Annexes
A (normative) Analysis of experimental data (two-
    factor experiment)
B (informative) Fundamentals of diffusive sampling
C (informative) Field tests - Paired comparisons
D (informative) Field tests - Multiple comparisons
E (normative) Environmental influences - Multifactor
    test
F (normative) Computational analysis of fractional
    factor data
G (informative) Bibliography

Gives performance requirements and methods of testing under prescribed laboratory conditions for a diffusive sampler to determine gases or vapours in workplace atmosphere.