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TABLE 4 <br /> IN-SITU AIR SPARGING TEST FIELD DATA <br /> Chase Chevrolet - Madison <br /> 423 North Madison Street, Stockton, California <br /> MW-1 <br /> Time Pressure PID Depth to Dissolved <br /> (hours) (inches water) (ppm) Ground Water Oxygen <br /> 0000 040 31 23 32 107 <br /> 0030 055 461 23 30 145 <br /> 01 30 090 494 2330 64 <br /> 02 30 087 499 23 30 42 <br /> 6800 055 645 2332 89 <br /> 6900 050 530 23 32 7 0 <br /> 7000 050 487 2.3 32 6 1 <br /> 7600 035 494 23 16 27 <br /> 200 045 514 23 14 26 <br /> 115 45 0 185 6i8 2306 25 <br /> I MW-2 <br /> Time Pressure PID Depth to Dissolved <br /> (hours) (inches water) (ppm) Ground Water Oxygen <br /> 0000 --- --- <br /> 0030 013 5 2320 22 <br /> 01 30 0 045 3 2342 69 <br /> 0230 009 34 2343 52 <br /> 68 00 005 34 2342 8 1 <br /> 6900 006 40 2342 104 <br /> 7000 006 40 2342 70 <br /> 7600 007 5 2330 3 3 <br /> 92 00 0 035 3 2328 34 <br /> 115 45 0 025 2 2320 3 5 <br />