Air Analysis for Underwater World
Scuba Center
Standard requirements for Grade E air from CGA Air Table 1

Oxygen

20 - 22 %

Carbon Monoxide

10 ppm maximum

402-677-8057

Carbon Dioxide

1000 ppm maximum



Oil (mist and vapor)

5 mg/m3 maximum

Total Hydrocarbon

25 ppm maximum

No pronounced Odor

Test Date: 6/10/2018

Oxygen

20.9%

Carbon Monoxide

<1 PPM

Carbon Dioxide

260 PPM

Oil (mist and vapor)

<1 MG/M3

Total Hydrocarbon

<1 PPM

No pronounced Odor