Appendix MIXCHEK
Teledyne
Analytical
Instruments
34
Helium & Air Chart
Percent
Helium
Percent
Oxygen
Percent
Helium
Percent
Oxygen
100
0.00 50
10.45
99
0.21
49
10.66
98
0.42
48
10.87
97
0.63
47
11.08
96
0.84
46
11.29
95
1.05
45
11.50
94
1.25
44
11.70
93
1.46
43
11.91
92
1.67
42
12.12
91
1.88
41
12.33
90
2.09
40
12.54
89
2.30
39
12.75
88
2.51
38
12.96
87
2.72
37
13.17
86
2.93
36
13.38
85
3.14
35
13.59
84
3.34
34
13.79
83
3.55
33
14.00
82
3.76
32
14.21
81
3.97
31
14.42
80
4.18
30
14.63
79
4.39
29
14.84
78
4.60
28
15.05
77
4.81
27
15.26
76
5.02
26
15.47
75
5.23
25
15.68
74
5.43
24
15.88