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TABLE I
<br /> GROUNDWATER DATA
<br /> THRIFTY OIL STATION#171, STOCKTON,CA
<br /> DAn ANALYTICAL PARAMETERS DEPTHTO DEPTH TO PRODUCT CASING GROIiNtlWATER
<br /> SAMPLED TPH-g BENZEPIE TOLUENE EthylBenzene XYLENE MTBE GROUNDWATER PRODUCT THICKNESS ELEVATION ELEVATION
<br /> (ug1L.) (uglL} (uglL) (ug1L) (uP;ll-) (U91L) (feet) (feet) (feet) (feet) (feet)
<br /> 02/09/00 28 000 5,800 440 <30 2,400 18,000 39 15 NP 000 1468 2447
<br /> 05/17/00 130 <0 25 <0 25 <0 25 <0 5 19,900 4376 NP 000 1468 -2908
<br /> 08/23/00 99,100 5 350 1,800 904 2,770 25 100 39 75 NP 0 QO 1469 25 07
<br /> 11115100 21 300 6,370 1 510 26 I 1 450 10,400 4223 NP 000 1468 -2755
<br /> 02/14/01 24 700 4,740 194 70 2 1030 17,700 3961 NP 000 1468 -2493
<br /> 05/15/01 12 000 <0 3 <02 <0 2 <0 4 34,000 3961 NP 000 1468 -2493
<br /> 08115/01 11 900 <3 0 <2 0 <2 0 <4 0 30,900
<br /> - 4069 NP 4 00 l4 68 26 O]
<br /> 11/06/01 13000 132 165 <2 0 76 23 200 4580 NP 000 1468 31 12
<br /> 02/13/02 101 000 7,260 14100 2,950 16,300 23,800 4280 NP 000 1468 -2812
<br /> 05/07/02 30500 142 <2 0 <2 0 3 830 10,600 41 52 NP 000
<br /> 14 68 26 84
<br /> 08/07/02 6 570 <0 8 <l 8 <1 7 <4 0 14,100 4650 NP 000 1468 31 82
<br /> 11/13/02 166 000 12,700 8 800 3 300 24 600 40 400 4905 NP 000 1468 -3437
<br /> 02/19/03 59,000 5,250 362 4,410 8,200 33,700 4903
<br /> NP 0 DO !4 68 34 35
<br /> 05/14/03 17 800 213 <16 <15 5 l 650 21,700 44 03 NP 000 1468 29 35
<br /> 08/12103 23,400 <5 5 <8 0 <7 75 <10 17,000 48 17 NP 000 1468 -3349
<br /> ]1124103 179 000 6,630 39 700 3 330 21,100 11,600 49 92 NP 000 1468 35 24
<br /> 02/11/04 38 900 2,850 4,600 <15 5 5,000 10 000 47 12 NP 000 1468 3244
<br /> 05/12/04 5,430 <0 22 <0 32 <0 31 <0 4 7,980 4592 NP 000 1468 -3124
<br /> 08/17/04 3 240 <0 22 <0 32 <0 31 <0 4 3 650 5072 NP 000 1468 3604
<br /> MONITORING WELL#MW-6 Screen Interval=65 to 90 feet
<br /> 11120/92 2 400 8 0 7 2 100 420 - -
<br /> 03/31/93 14,000 1,400 1,100 450 1,600 71 08 NP 0 00 94 58 23 50
<br /> 06/23/93 1 600 120 93 50 160 69 12 NP 0 QO 94 58 25 46
<br /> 09/13/93 32,000 3 700 3,400 1,300 7,700 71 95 NP 000 9458 2263
<br /> 12/13/93 44 000 2,500 5,900 1,500 5,400 7240 NP 000 9459 22 18
<br /> 03/08/94 150 65 36 1 1 8 0 6685 NP 000 9458 2773
<br /> 06/07/94 4 900 660 360 15 440 6440 NP 000 9458 30 18
<br /> 09/07/94 150 000 16 000 7,300 1 900 12 000 6762 NP 000 94 58 26 96
<br /> 06/08/95 58 000 9,900 9,500 140 7 500
<br /> 08/16/95 l 16,000 18,000 22,000 1,100 13,000 6097 NP 000 94 58 33 61
<br /> 11113/95 5 600 1,400 1,100 150 870 60 9b NP 0 00 94 58 33 62
<br /> 02/13/96 Nb ND ND ND ND 6098 NP 0 00 94 58 33 b0
<br /> 05/14/96 170 3 7 096 065 13
<br /> 5139 NP 0 00 94 58 43 20
<br /> i
<br /> 6 550 34 71 16 79 *45 5460 NP 000 9458 3998
<br /> 6 <50 <D 3 <0 3 <0 3 078 *<20 53 30 NP 0 00 94 58 4l 28
<br /> 7 SAMPLES LOST 4990 NP 0 00 94 58 4469
<br /> 171 TAB XLS Page 5 of 11 8131104
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