NBN EN 689 : 1995

0 Introduction
1 Scope
2 Normative references
3 Definitions
4 General
5 Occupational exposure assessment
6 Periodic measurements
7 Report
8 Handling of data
Annex A (informative) Minimum number of samples as a
function of sampling duration
Annex B (informative) Calculation of the occupational
exposure concentration from individual analytical values
Annex C (informative) Example of the application of a
formal procedure for the evaluation of workers exposure
based upon measurements within the occupational
exposure assessment (OEA)
Annex D (informative) Example of a possible approach to
compare occupational exposure concentrations with limit
values
Annex E (informative) Establishing periodic measurements
Annex F (informative) Example for the selection of
intervals between periodic measurements
Annex G (informative) Statistical analysis of data
Annex H (informative) Bibliography

ALSO NUMBERED AS BS 6069 SECTION 3.7 1996 Gives advice for the assessment of exposure to chemical agents in workplace atmospheres. Describes a strategy to compare workers' exposure by inhalation with relevant limit values for chemical agents in the workplace and measurement strategy.