1. Knowledge of OELs among 1000 randomly selected chemical users.
Knowledge of OELs among 1000 randomly selected chemical users. All users use chemicals in their workplace on occasions; heavy users use chemicals daily; TU reps=Trade Union representatives randomly selected from addresses supplied by union headquarters. OEL claim=respondents claiming to be aware of OELs; assessing OEL=respondents showing awareness of how to assess whether an OEL is being met; 2 OELs=respondents aware of the two types of OEL; OES and MEL; Ref period=respondents aware of the two references periods—8 hour TWA and 15 minute reference period.
M Topping Occup Environ Med 2001;58:
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