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TABLE 1 - Summary of Groundwater Analytical Results <br /> TOC #172 <br /> 7647 Pacific Avenue <br /> Stockton, California <br /> WELL DATE DTW TPHg B T E X <br /> MW-1 06/06/91 5650 NA 222 33 1 108 190 <br /> 06/03/92 5594 200 15 57 07 79 <br /> 08/05/92 5733 ND 06 ND ND ND <br /> 11/24/92 5690 ND ND ND ND ND <br /> 02/24/93 53 60 950 130 470 ND 170 <br /> 05/20/93 5271 6200 3200 260 ND 1200 <br /> 09/09/93 54.72 300 ND 0.74 0.41 39 <br /> MW-2 06/06/91 5670 NA 5720 8810 1670 8860 <br /> 06/03/92 5615 5400 8600 960 ND 1140 <br /> 08/05/92 5753 1600 1500 320 ND 170 <br /> 11/24/92 5715 1100 ND ND ND 43 <br /> 02/24/93 53 88 21000 4700 2600 280 1500 <br /> 05/20/93 5292 47000 12000 7900 400 4400 <br /> ------__--_ 09/09/93 54.93--_34000- 4100-_ 3100 810 2900 <br /> MW-3 06/06/91 56 63 NA 850 924 165 2570 <br /> 06/03/92 5606 1100 34 ND ND ND <br /> 08/05/92 5740 700 66 17 ND 47 <br /> 11/24/92 5705 1400 720 69 ND 120 <br /> 02/24/93 5375 9700 1800 790 210 1000 <br /> 05/20/93 52 85 35000 8000 7400 290 6200 <br /> 09/09/93 54.83 20000 3200 1000 400 2300 <br /> MW-4 06/06/91 5763 NA 364 ND ND 19 <br /> 06/03/92 5730 ND 10 ND ND ND <br /> 08/05/92 5840 ND ND ND ND 06 <br /> 11/24/92 58 02 ND ND ND ND ND <br /> 02/24/93 54 68 320 400 9 1 ND 27 <br /> 05/20/93 53 80 ND ND ND ND ND <br /> 09/09/93 55.82 ND ND ND ND ND <br /> Trip 09/09/93 --- ND ND ND ND ND <br /> TPHg - Total petroleum hydrocarbons by EPA 8015. <br /> ug/L - micrograms per liter or parts per billion <br /> ND - Not detected, TPHg @ 2 mg/L, BTEX @ 0.5 ug/L. <br /> NA - Data not available. <br /> DTW - Depth to water below grade <br />