Air Quality Check for SCBA Compressor
Breathable air supply meeting the quality and purity requirements of EN 12021:1999
The employer shall ensure that compressed air, compressed oxygen, liquid air, and liquid oxygen used for respiration meets with the following specifications:
| Content | Acceptable Threshold |
|---|---|
| Oxygen | 19.5 – 23.5% |
| Carbon Monoxide | shall not exceed 5 ppm |
| Carbon Dioxide | shall not exceed 500 ppm |
| Oil Mist | shall not exceed 0.5 mg/m3 |
| Odour | Lack of noticeable odour |