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WELL CONCENTRATIONS
<br /> Shell-branded Service Station
<br /> 341 East Main Street
<br /> Ripon, CA
<br /> Wic #204-6522-0307
<br /> i Depth
<br /> MTBE MTBE to Depth GW SPH DO
<br /> Well ID Date TPPH TEPH B T E X 8020 8260 TOC Water to SPH Elevation Thickness Reading
<br /> {ug/L} (ug1L) (ug/L {ug/L} (uglL) (uglL) {ft.} j (ft.) (ppm}
<br /> MW-1 04/08/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 9,780 13,000 NA 26.17 NA NA NA 1.6
<br /> MW-1 04/14/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 97,200 102,000 63.94 26.85 NA 37.09 NA 1.8
<br /> MW-1 04/22/1999 <1,000 NA <10.0 <10.0 <10.0 <10.0 30,100 35,900 63.94 27.13 NA 36.81 NA 2.1
<br /> MW-1 04/29/1999 <50 NA <0.50 <0.50 <0.50 <0.50 19,000 24,100 63.94 26.08 NA 37.86 NA 1.7
<br /> MW-1 05/06/1999 <500 NA <5.00 <5.00 <5.00 <5.00 64,500 104,000 63.94 27.73 NA 36.21 NA 1.5
<br /> MW-1 05/13/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 <5.00 NA 63.94 26.21 NA 37.73 NA NA
<br /> MW-1 05/18/1999 <20,000 NA <200 <200 <200 <200 70,000 94,000 63.94 28.03 NA 35.91 NA 2.1 {
<br /> MW-1 05/25/1999 <5,000 NA <50.0 <50.0 <50.0 <50.0 111,000 138,000 63.94 28.17 NA 35.77 NA 1.0 I
<br /> MW-1 06/01/1999 <50,000 NA <500 1200 <500 <500 78,400 89,500 63.94 28.30 NA 35.64 NA 1.9
<br /> MW-1 06/08/1999 <500 NA <5.00 <5.00 <5.00 <5.00 69,600 102,000 63.94 28.55 NA 35.39 NA 2.6
<br /> MW-1 06/15/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 65,000 75,000 63.94 29.27 NA 34.67 NA 1.6
<br /> MW-1 07/09/1999 <5 000 NA <5 . ***
<br />� 0 0 <50.D <50.0 <50.0 58,100 NA 63.94 29.4$ NA 34.46 NA 1.9
<br /> MW-1 07/12/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 63,800 72,000 63.94 29.45 NA 34.49 NA 2.1
<br /> MW-1 07/22/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 62,800 69500 63.94 28.38 NA 35.56 NA 2.0
<br /> MW-1 07/28/1999 <10,000 NA <100 <100 <100 <100 72,300 48,900 63.94 31.35 NA 32.59 NA 2.6
<br /> MW-1 08/05/1999 50.8 NA 6.00 <0.500 <0.500 <0.500 j 40,600 45,600** 63.94 27.84 NA 36.10 NA 1.5
<br /> MW-1 08/11/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 38,800 44,900 63.94 26.56 NA 37.38 NA 1.5
<br /> MW-1 08/18/1999 <50.0 NA 6.34 <0.500 0.592 1.60 39,700 59,500 63.94 30.39 NA 33.55 NA 2.0
<br /> MW-1 08/27/1999 64.9 NA <0.500 <0.500 <0.500 <0.500 35,100 39,300'* 63.94 29.87 NA 34.07 NA 1.2
<br /> MW-1 09/09/1999 <250 NA <2.50 <2.50 <2.50 <2.50 26,200 28,500 63.94 25.49 NA 38.45 NA 2.4
<br /> MW-1 09/13/1999 <50.0 NA <0.500 <0.500 <0.500 <0.500 30,300 34,000 63.94 26.47 NA 37.47 NA 1.9
<br /> MW-1 09/22/1999 <500 NA <5.00 <5.00 <5.00 <5.00 34,500 34,000 63.94 29.79 NA 34.15• NA 1.76
<br /> MW-1 09/29/1999 <1,000 NA <10.0 <10.0 I <10.0 <10.0 41,600 23,700 63.94 29.72 NA 34.22 NA 1.2
<br /> MW-1 10/07/1999 <50.0 NA 6.83 <0.500 <0.500 1.6215,000 25,800 63.94 29.88 NA 34.06 j NA 0.6
<br /> MW-1 10/13/1999 <2,500 NA <25.0 <25.0 <25.0 <25.0 18,800 40,700 63.94 29.69 NA 34.25 NA 4.7
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