Occupational Health and Safety Act, 1993 (Act No. 85 of 1993)RegulationsPhysical Agents Regulations, 202412. Indoor air quality |
| (1) | The employer or self-employed person must ensure that risk of exposure to hazardous biological, chemical and physical agents impacting indoor air quality is eliminated at the source, where reasonably practicable. |
| (2) | Where the provision of subregulation (1) is not reasonably practicable, the employer or self-employed person must control indoor air quality to guidance levels as contemplated in Table 3 through the provision of either— |
| (a) | natural ventilation; or |
| (b) | an artificial ventilation system. |
| (3) | For an artificial ventilation system contemplated in subregulation (2)(b), the employer or self-employed person must ensure that the system— |
| (a) | complies with the air requirements for different types of occupancies listed in SANS 10400: Part O; |
| (b) | is tested— |
| (i) | by a competent person; and |
| (ii) | at intervals as per the original manufacturer specifications but not exceeding 24-months; and |
| (c) | is maintained as per the original manufacturer specifications: Provided that in the absence of the original manufacturer specifications, as per the physical agent exposure risk assessment. |
| (4) | The physical agent exposure monitoring must take into account the following parameters as contemplated in Table 3— |
| (a) | thermal environment, including— |
| (i) | air temperature; |
| (ii) | air velocity; and |
| (iii) | relative humidity; |
| (b) | airborne contaminants, including— |
| (i) | carbon monoxide; |
| (ii) | carbon dioxide; |
| (iii) | other applicable hazardous chemical agents; |
| (iv) | mould; and |
| (v) | other applicable hazardous biological agents; and |
| (c) | air requirements for different types of occupancies. |