28 CFR Appendix B to Part 79 - Appendix B to Part 79—Blood-Gas Study Tables

For arterial blood-gas studies performed at test locations between sea level and 2,999 feet above sea level:

Arterial pCO2	and arterial pO2
25 mmHg or below	80 mmHg or below.
26 mmHg	79 mmHg or below.
27 mmHg	78 mmHg or below.
28 mmHg	77 mmHg or below.
29 mmHg	76 mmHg or below.
30 mmHg	75 mmHg or below.
31 mmHg	74 mmHg or below.
32 mmHg	73 mmHg or below.
33 mmHg	72 mmHg or below.
34 mmHg	71 mmHg or below.
35 mmHg	70 mmHg or below.
36 mmHg	69 mmHg or below.
37 mmHg	68 mmHg or below.
38 mmHg	67 mmHg or below.
39 mmHg	66 mmHg or below.
40–49 mmHg	65 mmHg or below.
Above 50 mmHg	Any value.

For arterial blood-gas studies performed at test locations above 3,000 feet above sea level:

Arterial pCO2	and arterial pO2
25 mmHg or below	75 mmHg or below.
26 mmHg	74 mmHg or below.
27 mmHg	73 mmHg or below.
28 mmHg	72 mmHg or below.
29 mmHg	71 mmHg or below.
30 mmHg	70 mmHg or below.
31 mmHg	69 mmHg or below.
32 mmHg	68 mmHg or below.
33 mmHg	67 mmHg or below.
34 mmHg	66 mmHg or below.
35 mmHg	65 mmHg or below.
36 mmHg	64 mmHg or below.
37 mmHg	63 mmHg or below.
38 mmHg	62 mmHg or below.
39 mmHg	61 mmHg or below.
40–49 mmHg	60 mmHg or below.
Above 50 mmHg	Any value.