Foreword
Introduction
1 Scope
2 Normative references
3 Sources and occurrence of formaldehyde
4 Measurement techniques
4.1 General
4.2 Short-term monitoring
4.3 Long-term monitoring
4.4 Methods for screening tests
5 Sampling strategy
5.1 General
5.2 Objectives of the measurement and conditions
5.3 Time of sampling
5.4 Duration of sampling and frequency of measurement
5.5 Sampling location
5.6 Reporting on results and uncertainties
5.7 Quality assurance
Annex A (informative) Properties of formaldehyde
Annex B (informative) Overview of important sources and
typical concentrations
Annex C (informative) Correlation of formaldehyde
concentrations in naturally ventilated
rooms depending on ventilation
Annex D (informative) Dependence of the confidence interval on
the number of samples
Annex E (informative) Examples of screening tests
Bibliography