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<br /> CA RIA
<br /> Table I. Ground Water Analytical Data- Shell-branded Service Station-Incident#98995874,341 E Main Street,Ripon, California
<br /> Depth to GW MTBE MTBE Dissolved Gallons
<br /> Water Elevation$ TPHg Benzene Toluene Ethylbenzen( Xylenes EPA 8020 EPA 8260 Methanol Oxygen Removed
<br /> Date (feet) (feet) 4 (Concentrations in b) (m ( al)
<br /> MW-1 (TOC=63 94)
<br /> 04128198 2532 3862 <100 <10 <10 <10 <10 92,000 150,000 20,000 20 ---
<br /> 07128198 2700 3694 <50 <0 50 <0 50 <0 50 <0 50 5,200 160,000 32,000 is ---
<br /> 10l07198 2736 3658 <1,000 <10 <10 <10 <10 130,000 130,000 30,000 14 ---
<br /> 11l10l98 27 15 3679 <50 <0 50 <0 50 <0 50 <0 50 210 --- --- --- 75
<br /> 11/18/98 27 11 3683 <500 <5 0 <5 0 <5 0 <5 0 3,300 --- --- 13 30
<br /> 11/24/98 2727 3667 <10,000 <100 <100 <100 <100 130,000 130,000 --- 12 75
<br /> 12/01/98 2700 3694 <50,000 <500 <500 <500 <500 138,000 155,000 --- 1 1 95
<br /> 12/08/98 2745 3649 <I0,000 <100 160 <100 <100 130,000 130,000 --- 13 60
<br /> 12/17/98 2737 3657 <20,000 <200 <200 <200 <200 190,000 160,000 --- --- 30
<br /> 12/23/98 2742 3652 <10,000 <100 <100 <100 <100 100,000 69,000 --- 14 30
<br /> 12/29/98 2722 3672 <50,000 <500 <500 <500 <500 I39,000 127,000 --- 12 30
<br /> 01/06199 2735 3659 <50 <0 500 <0 500 <0 500 <0 500 145 --- --- --- ---
<br /> 01/14/99 2738 3656 <10,000 <100 <100 <100 <100 88,100 86,700 --- 17 30
<br /> 01/19199 2731 3663 <50,000 <500 <500 <500 <500 152,000 156,000 95,000 09 75
<br /> 01128/99 2734 3660 <25,000 <250 <250 <250 <250 133,000 149,000 --- 1 1 95
<br /> 02102/99 2776 3618 <50 <0 50 <0 50 <0 50 <0 50 85,000 92,000 --- 13 30
<br /> 02/11199 2720 3674 <1,000 <10 <10 <10 <10 180,000 --- --- 15 165
<br /> 02/18/99 2710 3684 <20,000 <200 <200 <200 330 --- 110,000 50,000 21 170
<br /> 02/24/99 2692 3702 <2,000 <20 <20 <20 <20 150,000 160,000 --- 14 120
<br /> 03/02199 2642 1752 <2,000 <20 0 <20 0 <20 0 <20 0 150,000 145,000 --- --- 180
<br /> 03/11199 2614 ;�7 8 <50,000 <500 <500 <500 <500 112,000 151,000 --- 24 130
<br /> 03119/99 2615 �7 79 <50 0 <0 500 <0 500 <0 500 <0 500 132,000 114,000 --- 16 100
<br /> 03/22/99 2756 3638 <500 <5 00 809 <5 00 <5 OD 113,000 81,800 --- 18 150
<br /> 04108/99 2617 3777 <50 0 <0 500 <0 500 <0 500 <0 500 9,780 13,000 --- 16 110
<br /> 04/14/99 2685 3709 <50 0 <0 500 <0 500 <0 500 <0 500 97,200 102,000 --- 18 90
<br /> 04/22/99 27 13 3681 <1,000 <100 <10 0 <10 0 <10 0 30,100 35,900 29,000 21 110
<br /> 04/29/99 2608 3786 <50 <0 50 <0 50 <0 50 <0 50 19,000 24,100 --- 17 110
<br /> 05/06/99 2773 3621 <500 <5 00 <5 00 <5 00 <5 00 64,500 104,000 --- 15 200
<br /> 05/13199 2621 3773 <50 0 <0 500 <0 500 <0 500 <0 500 <5 00 --- - --- 120
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<br /> g 1nP341%gm'gmtabte zls I of 3
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