EN 689:2018

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions and abbreviations
4 General
5 Occupational exposure assessment
6 Report
7 Periodic reassessment
Annex A (informative) - Assessment of exposure
Annex B (informative) - Occupational exposure limit
        values for compliance testing
Annex C (informative) - Simultaneous workplace exposure
        to several chemical agents
Annex D (informative) - Exposure profile and sampling
        duration
Annex E (informative) - Check of exposure measurements
        distribution, and identification of exceptional
        exposure within the SEG
Annex F (informative) - Testing compliance with OELVs
Annex G (informative) - Exposure calculation with a
        work shift longer than 8h
Annex H (informative) - Exposure below the limit
        of quantification
Annex I (informative) - Interval for periodic measurements
Bibliography

This European Standard specifies a strategy to perform representative measurements of exposure by inhalation to chemical agents in order to demonstrate the compliance with occupational exposure limit values (OELVs).This European Standard is not applicable to OELVs with reference periods less than 15 min.