I.S. EN 689:1995

National foreword
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

Defines 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).