TABLE C: Contingency scenario 2, diver strays 3m deeper than planned
Depth (m)	Time (min)	Ambient Pressure (bar)	Gas	Gas Used (litres)
53	30	6	air	3780
Ascend 50 to 18	3	6	air	378
18	2	2.8	air	112
15	4	2.5	air	200
12	7	2.2	air	308
		Total Air (RMV 20 l/min)		4778
9	9	1.9	80%	257
6	4	1.6	80%	96
4.5	24	1.45	80%	522
		Total 80% (RMV 15 l/min)		875