Liquid Depth (inches)	Barrels	Air Gap (inches)
3	0.9	93
6	2.5	90
9	4.6	87
12	7.1	84
15	10	81
18	13.1	78
21	16.4	75
24	20	72
27	23.7	69
30	27.5	66
33	31.5	63
36	35.6	60
39	39.8	57
42	44	54
45	48.2	51
48	52.5	48
51	56.8	45
54	61.1	42
57	65.3	39
60	69.5	36
63	73.5	33
66	77.5	30
69	81.4	27
72	85.1	24
75	88.6	21
78	92	18
81	95.1	15
84	97.9	12
87	100.4	9
90	102.5	6
93	104.2	3
96	105.1	0