Maximum Operating Depths (salt)							33
	PO2 ->	1.0	1.1	1.2	1.3	1.4	1.5	1.6
FO2 ->	21%	124	140	156	171	187	203	218
	22%	117	132	147	162	177	192	207
	23%	110	125	139	154	168	182	197
	24%	105	118	132	146	160	173	187
	25%	99	112	125	139	152	165	178
	26%	94	107	119	132	145	157	170
	27%	89	101	114	126	138	150	163
	28%	85	97	108	120	132	144	156
	29%	81	92	104	115	126	138	149
	30%	77	88	99	110	121	132	143
	31%	73	84	95	105	116	127	137
	32%	70	80	91	101	111	122	132
	33%	67	77	87	97	107	117	127
	34%	64	74	83	93	103	113	122
	35%	61	71	80	90	99	108	118
	36%	59	68	77	86	95	105	114
	37%	56	65	74	83	92	101	110
	38%	54	63	71	80	89	97	106
	39%	52	60	69	77	85	94	102
	40%	50	58	66	74	83	91	99
	45%	40	48	55	62	70	77	84
	50%	33	40	46	53	59	66	73
	55%	27	33	39	45	51	57	63
	60%	22	28	33	39	44	50	55
	65%	18	23	28	33	38	43	48
	70%	14	19	24	28	33	38	42
	75%	11	15	20	24	29	33	37
	80%	8	12	17	21	25	29	33
	85%	6	10	14	17	21	25	29
	90%	4	7	11	15	18	22	26
	95%	2	5	9	12	16	19	23
	100%	0	3	7	10	13	17	20
example: 1.4 /.32 = 4.37 -1 = 3.37 * 33 = 111
example: 1.6 /.32 = 5.00 -1 = 4.00 * 33 = 132

by Ron Peterson