What the OEL is going on?
OEL’s – Occupational Exposure Levels.
Set by tripartite committee to decide levels that can
be monitored in workplace to check exceedance.
AOEL’s Acceptable Operator Exposure Levels
Guidance not yet formally agreed @ EU Level
NAOELs No Observed Adverse Effect Levels
(sometimes NOEL ‘Observable Effects’)
Based on these levels determined mainly by (fat) rat
work.