Occupational Health and Safety Act, 1993 (Act No. 85 of 1993)RegulationsRegulations for Hazardous Chemical Agents, 2020AnnexuresAnnexure 3 : Hazardous Chemical Agent GuidelinesGuidance on medical surveillance and biological monitoringMixed exposuresCalculation of exposure with regard to the specified reference periods |
| 87. | The following guidance is provided as an approved method for the calculation of exposure in relation to the eight-hour, short-term and one-year reference periods. |