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' Table 1 - C-Sparge System Pilot Test Groundwater Chemical Analytical Results
<br /> Former Unocal Service Station #2859
<br />' 1665 Pacific Avenue
<br /> Stockton, California
<br />' Sample TPHg Benzene Toluene Ethylbenzene Xylenes MtBE
<br /> Well ID Date b b b b b b
<br />' MW-2 8109-10102'2 45,0003 2,500 6,300 3,400 9,700 <250
<br /> 08/22/02 5,600 480 320 400 1,200 <100
<br /> 09/20/02 5,000 270 300 570 1,200 <100
<br />' 10/21/02 48,000 2,000 8,300 3,100 10,000 <1000
<br /> 11107-09102' 18,000 360 2,800 960 4,400 <250
<br /> 11/21/02 11,000 8405 710 880 3,900 <250
<br />' 12/18/02 20,000 580 3,500 830 5,500 <400
<br /> 01/23/03 41,000 1,500 6,800 2,300 11,000 <1000
<br /> 02121/03 43,000 1,400 8,200 2,800 14,000 <100
<br /> 2127-281031 2,600 160 140 93 570 <20
<br /> 03/21/03 940 55 10 14 77 13
<br /> 04/22/03 370 27 <0 50 <0 50 20 13
<br /> 5/19/20031 1,200 130 9 7 41 310 55
<br /> 05120/03 1,200 82 19 20 190 10
<br /> 06/20/03 810 96 33 17 190 56
<br /> 07/22/03 1,900 160 10 72 250 29
<br /> 08/22/03 13,000 760 2,000 690 3,500 <20
<br /> 8126-27103' 11,000 580 1,900 470 2,900 <80
<br /> 09/18/03 1,700 51 <2 5 250 68 <2 5
<br /> 1 10/16/03 4,100 70 2 5 420 26 <10
<br /> 11/28/03 2,500 1,200 5,100 990 5,800 <0 5
<br /> 02/26/04 13,000 1,300 1,700 700 2,500 <0 50
<br /> 04/05/04 9,100 650 850 680 1,500 <1 0
<br /> ' 05/21/04 5,200 900 425 720 490 --
<br /> MW-10 8109-10102'2 93,0003 3,600 21,000 4,300 27,000 <2,500
<br /> ' 08/22/02 130,000 12,000 37,000 5,200 28,000 <2,500
<br /> 09/20/02 110,000 8,800 27,000 3,500 23,000 64
<br /> 10/21/02 120,000 6,700 24,000 3,000 22,000 <2,500
<br /> 11107-091021 70,000 5,100 19,000 2,000 14,000 <250
<br /> 11/21/02 67,000 4,6005 18,000 2,300 14,000 <500
<br /> 12/18/02 16,000 490 2,400 <100 4,500 <400
<br /> ' 01/23/03 16,000 920 2,600 170 3,800 <200
<br /> 02/21/03 44,000 3,100 10,000 1,400 13,000 <400
<br /> 2127-28103' 47,000 2,100 7,400 1,000 16,000 <200
<br /> ' 03/21/03 19,000 210 790 83 7,300 <100
<br /> 04/22/03 370 3 4 2 7 <0 50 2 9 29
<br /> 511912003'S <50 <0 50 0 8 <0 50 1 3 <2 0
<br /> 05/20/03 94 3 8 1 8 <0 50 16 <2 0
<br /> ' 06/20/03 <50 <0 50 <0 50 <0 50 1 0 <20
<br /> . 07/22/03 <50 <0 50 <0 50 <0 50 085 <20
<br /> 08/22/03 <50 055 2 5 <0 50 9 6 <2 0
<br /> ' 240072 06
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