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CAMBRIA <br /> Table 1, Ground Water Analytical Data - Shell-branded Service Station-Incident#98995874, 341 E. Mai n'Street, Ripon, California <br /> 31 <br /> Depth to GW MTBE MTBE Dissolved Gallons <br /> Water ;Elevations TPHg Benzene Toluene Ethylbenzene Xylenes EPA 8020 EPIC 8260 Methanol Oxygen Removed <br /> Date (feet) (feet) <br /> i (Concentrations in b (M ) ( al) <br /> MW-6A (TOC=62.97) <br /> 01/12/00 2916 33.81 <50.0 4.500 - <0 500 <DSOD <DSDO <2.'50 c0 SDO ` <1,000 1.8 <br /> _._ . <br /> MW-611 (TOC 63.05) <br /> _ 7 <br /> 01/12/00 29 00 34.05 <50 0 <0.500 OS00 ry <D Soo <2:54. <br /> . <1 :5oo <1'000 1.0 <br /> EW-1 (roc-64.24) <br /> 03/11/99 26.60 37.64 <500 <5.00 <5.00 <5.00 <5.00 5,090 3,100 --- lA 102 <br /> 04/08/99 27.12 37.12 <50.0 <0.500 <0.500 <0.500 <0.500 9,620 U --- 2.1 150 <br /> 04/14/99 27.1.7 37.07 <50.0 1.13 1.98 <0.500 2.49 9,080 4!690 --- 2.0 150 <br /> 04/22/99 27.49 36.75 <50.0 <0.500 <0.500 <0.500 <0.500 4,170 4,520 2,000 1.5 150 <br /> 04/29/99 27.89 36.35 310 12 36 12 59 4,700 61510 --- 2.8 150 <br /> 05/04/99 Step Pumping Test 1,100 <br /> 05/05/99 Constant Discharge Pumping Test 6,190 <br /> 05/06/99 28.03 36.21 <500 <5.00 <5.00 <5.00 <5.00 10,600 19;200 1.0 170 <br /> 05/13/99 27.83 36.41 420 15.3 71.1 0.793 26.2 10,500 15� 100 b 2.5 150 <br /> 05/18/99 28.37 35.87 <20,000 <200 <200 <200 <200 7,880 14600 1.2 160 <br /> 05/25/99 28.17 36.07 <50 <0.50 0.521 <0.50 1.16 16,200 24200 b 0.7 150 <br /> 06/01/99 28.56 35.68 <5,000 <0.50 <0.50 <0.50 <0.50 15,000 15400 --- 1.4 150 <br /> 06/08/99 28.56 35.68 <100 <1.00 <1.00 <1.00 <1.00 15,900 11-- --- <br /> 06/15/99 28.56 35.68 <50 <0.50 4.64 <0.50 - 0.661 18,000 - ___ _ <br /> 2.3 150 <br /> 06/21/99 28.56 35.68 <200 <2.00 <2.00 <2.00 <2.00 24,900 27100 --- 2.4 150 <br /> 07/09/99 29.81 34.43 <10,000 <100 <100 <100 <100 74,400 941600 --- 2.6 150 <br /> 07/12/99 29.87 34.37 55.0 <0.500 <0.500 <0.500 <0.500 72,100 871"000 --- 2.6 150 <br /> 07/22/99 30.10 34.14 <50.0 <0.500 <0.500 <0.500 <0.500 84,000 14000� 2.1 155 <br /> 07/28/99 --- <br /> 30.41 33.83 <20,000 <200 <200 <200 <200 107,000 90�000 5,220 1.2 150 <br /> 08/05/99 30.29 33.95 195 14.0 4.40 2.70 10.6 112,000 1211,000 --- 1.0 150 <br /> 08/11/99 30.35 33.89 <2,500 <25.0 <25.0 <25.0 <25.0 148,000 157-000 --- 2.1 150 <br /> 08/18/99 30.73 33.51 149 13.1 0.842 <0.500 2.70 146,000 440,000 --- 2.5 200 <br /> 08/27/99 30.09 34.15 210.0 <1.00 <1.00 <1.00 <1.00 174,000 187000 --- 2.8 150 <br /> 09/09/99 28.10 36.14 <10,000 <100 <100 <100 <100 147,000 192000 --- 1.9 150 <br /> 09/13/99 27.41 36.83 <500 <5.00 <5.00 <5.00 <5.00 110,000 1271000 --- 2.4 150 <br /> g M pon_3Aq mlq msab te.x is <br /> i <br />