Workplace exposure standards and biological exposure indices
The Workplace Exposure Standards (WES) are intended to be used as guidelines for people qualified in occupational health practice.
Edition 9 effective from November 2017.
Monitoring of lead workers
We have guidelines for PCBUs and occupational physicians on the exposure and health monitoring of lead workers.
Note that the current lead biological limits will change as of November 2019. See Workplace exposure standards and biological exposure indices (above) for details about this.