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Appendix 4 Breathing-Air Standard
Odour
Oxygen
Carbon
Dioxide
Carbon
Monoxide
Oil
Water
Airline
<40Bar
Water
High
Pressure
Above is an extract only for full details refer to the individual standard.
BS EN12021 & EN12021:2014
The gas shall be free from unsatisfactory odour or taste.
(21 ± 1)%
≤ 500 PPM
≤ 5 PPM
3
≤ 0.5 mg/m
Where the apparatus is used and stored at a known
temperature the pressure dewpoint shall be at least 5°C
below likely lowest temperature. Where the conditions of
usage and storage of any compressed air supply is not
known the pressure dewpoint shall not exceed -11°C.
40 to 200 bar ≤50 mg/m
>200 bar ≤35 mg/m
HP Charging Comp ≤25 mg/m
3
3
3
25
FAC QAM 190 Issue D 09/18
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