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TABLE 2 <br /> AIR SPARGING TEST MONITORING DATA <br /> ARCO Service Station No 2130 <br /> 7906 North El Dorado Street <br /> Stockton, California <br /> December 22, 1992 <br /> SPARGING OBSERVATION <br /> AS-1 AS-1 M5-1 PLS-2 PLS-3 <br /> Time Q5 PS PV G11D Py GW PV GW P GIA <br /> 11 15 0 0 0 62 50 0 62 67 0 62 88 0 62 75 <br /> 11 30 10 9 5 >10 -- 1 0 -- 10 5 -- 0 02 -- <br /> 12 00 10 9 0 >10 -- 0 8 -- 14 5 -- >1 0 <br /> I -- <br /> f 12 30 10 9 0 >10 -- 1 3 -- 14 0 -- 1 0 -- <br /> 13 00 10 8 0 >10 -- 1 4 -- 12 5 -- 1 1 -- <br /> 13 30 10 8 0 >10 -- 1 4 64 80 12 0 62 79 1 1 62 69 <br /> 14 00 10 8 0 >10 -- 1 2 -- 11 5 -- 1 2 -- <br /> 14 30 10 8 0 >10 -- 1 3 -- 11 0 -- 1 2 -- <br /> 15 30 20 13 8 >10 -- 1 2 -- 27 0 -- 2 1 <br /> i <br /> 16 00 20 12 3 >10 -- 1 8 -- 23NO -- 2 0 - <br /> 16 30 20 11 5 >10 -- 1 8 -- 19 5 -- 2 4 -- <br /> 17 00 20 1 11 5 >10 1 1 8 -- 18 0 -- 2 5 -- <br /> 17 30 20 115 >10 73 50) 1 8 64 22 18 0 65 75 2 5 63 68 <br /> Distance from AS-1 0 9 9 19 5 <br /> QS = Sparging flow rate (ACFM) <br /> PS = Sparge air delivery pressure (PSI) <br /> PyV= Vadose zone pore pressure (inches of water) <br /> GIN = 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 /> 30003-8 <br />