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I <br /> I <br /> TABLE 1 <br /> AIR SPARGING TEST MONITORING DATA <br /> ARCO Service Station No 2130 <br /> 7906 North El Dorado Street <br /> Stockton, California <br /> October 12, 1992 <br /> SPARGING OBSERVATION <br /> AS-1 AS-1 MS-1 MS-2 MS-3 <br /> Time QS P5 PV GW PV GWD PV GIA PV GWD <br /> 10 20 0 0 0 64 54 0 64 67 0 64 68 0 64 74 <br /> 11 30 0 10 5 5 72 20 0 15 -- 1 6 -- 0 3 -- <br /> 12 35 0 10 10 0 - 0 32 -- 3 0 -- 0 7 -- <br /> 13 25 12 10 10 0 -- 0 33 64 20 3 2 64 14 0 9 64 30 <br /> 15 00 18 6 4 10 0 -- 0 17 9 5 -- 2 8 -- <br /> 15 30 18 6 2 8 5 -- 0 17 -- 8 9 -- 2 8 -- <br /> 16 00 21 6 2 8 0 -- 0 17 64 8 8 9 66 58 2 8 65 32 <br /> 16 30 21 6 2 7 5 73 501) 0 17 69 52 8 9 69 50 3 1 69 86 <br /> Distance from AS-1 0 9 9 19 5 <br /> QS = Sparging flow rate (ACFM) <br /> PS = Sparge air delivery pressure (PSI) <br /> P = Vadose zone pore pressure (inches of water) <br /> GID = Depth to groundwater measured from top of casing (Ft } <br /> ACFM = Actual cubic feet per minute <br /> PSI = Pounds per square inch <br /> (1) = Bottom of sparge well, no ground-water observed <br /> -- = Not measured/not applicable <br /> 30003-8 <br /> I <br /> I <br />