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SN EN 13528-2 : 2002
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AMBIENT AIR QUALITY - DIFFUSIVE SAMPLERS FOR THE DETERMINATION OF CONCENTRATIONS OF GASES AND VAPOURS; REQUIREMENTS AND TEST METHODS - PART 2: SPECIFIC REQUIREMENTS AND TEST METHODS
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Requirements
5.1 Desorption efficiency (for samplers involving solvent
desorption)
5.2 Desorption efficiency (for samplers involving thermal
desorption)
5.3 Effect of air velocity/sampler orientation
5.4 Storage (indirect-reading samplers)
5.5 Shelf life
5.6 Sampler integrity
5.7 Blank value
5.8 Field tests
5.9 Uncertainty
5.10 Instructions for use
5.11 Sample identification
6 General test conditions
6.1 Reagents
6.2 Apparatus
6.3 Independent method
6.4 Generation of calibration gas mixture
6.4.1 General
6.4.2 Calibration gas mixture
6.5 Test conditions
6.5.1 General
6.5.2 Laboratory tests under repeatability conditions
involving standard atmospheres (7.3, 7.4, 7,7,
7.8 and annex A)
6.5.3 Laboratory tests under reproducibility
conditions involving standard atmospheres (7.5)
6.5.4 Laboratory tests not involving standard
atmospheres (7.2, 7.6, 7.9)
6.5.5 Field tests
7 Test methods
7.1 General
7.2 Desorption efficiency
7.2.1 Spiking methods for samplers involving solvent
desorption
7.2.2 Spiking methods for samplers involving thermal
desorption
7.2.3 Phase equilibrium method (samplers involving
solvent desorption)
7.3 Bias due to the selection of non-ideal sorbent (for
samplers relying on reversible sorption)
7.3.1 Procedure
7.3.2 Calculation
7.4 Test on influence of air velocity and sampler
orientation
7.5 Effect of environmental parameters on sampler
performance (uptake rate)
7.5.1 Procedure
7.5.2 Calculation
7.6 Storage (for indirect-reading samplers)
7.6.1 Procedure
7.6.2 Calculation
7.7 Shelf life
7.8 Sampler leak test
7.9 Determination of the blank value
7.10 Field tests
8 Calculation of uncertainty
8.1 General
8.2 Desorption efficiency
8.3 Uptake rate
8.4 Storage
8.5 Shelf life
8.6 Sampler integrity
8.7 Blank value
8.8 Type B errors
8.9 Combined uncertainty
8.10 Field tests
9 Levels of evaluation
10 Test report
11 Marking
Annex A (normative) Determination of diffusive uptake
rates (indirect-reading samplers)
Annex B (normative) Calculation of exposure concentration
Annex C (informative) Calculation of uncertainty components
Bibliography
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