Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 EN 1540 definitions
3.2 Measurement items
3.3 Sampling terms
3.4 Statistical terms
4 Principle
5 Requirements
5.1 General requirements
5.2 Analytical recovery
5.3 Overall uncertainty
6 Reagents
7 Reference samples
7.1 Standard solutions
7.2 Reference materials
7.3 Reference air samples
8 Apparatus
9 Test methods
9.1 Detection limits and quantification limits
9.2 Selection of test methods for determination of
analytical bias and precision
9.3 Analytical bias
9.4 Analytical precision
9.5 Estimation of overall uncertainty
10 Test report
Annex A (informative) Guidance on selection of test methods
Annex B (informative) Guidance on determination of analytical
bias
B.1 Determination of the analytical bias of procedures that
involve sample dissolution
B.2 Determination or estimation of the analytical bias of
procedures that do not have involve a sample transformation
Annex C (informative) Example of estimation of overall uncertainty
Annex D (informative) Estimation of overall uncertainty
D.1 General performance requirements for measurements of chemical
agents in air
D.2 Combination of sampler bias and analytical bias
D.3 Combination of sampling and analytical precision
D.4 Consideration of sampler bias and analytical bias
D.5 Estimation of overall uncertainty
Bibliography