[Regulations 15(2) and 16(a) and (b)]
The measures contained in this Annexure shall be applied according to the nature of the activities, the assessment of risk and the nature of the HBA concerned.
| A. Containment Measures | B. Containment Levels | |||
|---|---|---|---|---|
| Level 2 | Level 3 | Level 4 | ||
| 1. | The workplace is to be separated from any other activities in the same building. | No | Recommended | Yes |
| 2. | Input air and extract air in the workplace are to be filtered using High Efficiency Particulate Air (HEPA) Filter or likewise. | No | Yes, or extract air and safe discharge of air | Yes, on input and extract air and safe discharge of air |
| 3. | Access is to be restricted to authorised persons only. | Recommended | Yes | Yes, via airlock |
| 4. | The workplace should be sealable in order to permit disinfection. | No | Recommended | Yes |
| 5. | Specified disinfection procedures. | Yes | Yes | Yes |
| 6. | The workplace is to be maintained at an air pressure negative to atmosphere | No | Recommended | Yes |
| 7. | Efficient vector control, e.g. rodents and insects | Recommended | Yes | Yes |
| 8. | Surfaces impervious to water and easy to clean. | Yes, for bench | Yes, for bench and floor | Yes, for bench, walls, floor and ceiling |
| 9. | Surfaces resistant to acids, alkalis, disinfectants | Recommended | Yes | Yes |
| 10. | Safe storage of a biological agent | Yes | Yes | Yes, secure storage |
| 11. | An observation window or alternative is to be present so that occupants can be seen. | Recommended | Recommended | Yes |
| 12. | A laboratory is to contain own equipment | No | Recommended | Yes |
| 13 | Infected material, including any animal, is to be handled in a safety cabinet or isolator or other suitable container. | Where appropriate | Yes, where infection is by airborne route | Yes |
| 14. | Incinerator for disposal of animal carcasses | Recommended | Yes (available) | Yes, on site |