Liquid Depth (inches)	Barrels	Air Gap (inches)
3	1.3	96
6	3.8	93
9	6.9	90
12	10.6	87
15	14.7	84
18	19.3	81
21	24.1	78
24	29.3	75
27	34.7	72
30	40.3	69
33	46	66
36	52	63
39	58	60
42	64.1	57
45	69	54
48	76.4	51
51	82.6	48
54	88.7	45
57	94.8	42
60	100.9	39
63	106.8	36
66	112.5	33
69	118.1	30
72	123.5	27
75	128.7	24
78	133.5	21
81	138.1	18
84	142.2	15
87	145.9	12
90	149.1	9
93	151.5	6
96	152.8	3