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CANARIA
<br /> Table 1. Groundwater Analytical Data - Additional Constituents- Shell-branded Service Station, Incident#98995643, 1071 North Main Street,
<br /> Manteca, California
<br /> MTBE MTBE
<br /> Sample Date 1,2-DCA EDB by 8020 by 8260 Ethanol TBA t-Butanol DIPE ETBE TAME Methanol D O
<br /> ID Sampled (Concentrations in ppb) (ppm)
<br /> MW-1 04/28/98 --- --- 110 1.20 <500 --- <100 <2 0 <2 0 <2 0 <1,000 09
<br /> 07/28/98 <0 50 <0 50 290 280 <1,250 --- <250 <5 0 <5 0 <5 0 <1,000 17
<br /> 07/28/981up a <0 50 <0 50 630 440 <1,650 --- <330 <6 6 <6 6 <6 6 <1,000 17
<br /> 10/07/98 <2 5 <2 5 2,000 1,700 <8,350 --- <1,670 <33 <33 <33 <1,000 1 1
<br /> 10/07/98dup <2 5 <2 5 1,100 1,800 <6,250 --- <1,250 <25 <25 <25 <1,000 1 1
<br /> 01/28/99 <0 50 <0 50 950 870 <2,500 --- <500 <10 <10 <10 <2,000 09
<br /> 04/08/99 <0 500 <100 <5 00 591 <2,000 <400 --- <20 0 <20 0 <20 0 <1,000 10
<br /> 07/22/99 <0 500 <0 500 612 593 <1,670 <333 --- <6 66 <6 66 <6 66 <1,000 10
<br /> 10/13/99 <0 500 <0 500 1,070 1,640 <5,000 <1,000 --- <20 0 <20 0 <20 0 <1,000 52
<br /> 01/06/00 <0 500 <0 500 311 328 <2,500 <500 --- <5 00 <5 00 <5 00 <1,000 10
<br /> 04/11/00 <100 <100 566 466 <200 286 --- <100 <100 112 <1,000 14
<br /> 07/27/00 <0 500 <100 662 605a <8,000 <400a --- <20.0' <20 OR <20.0' <1,000 3.8
<br /> i
<br /> MW-2 04/28/98 --- --- <2 5 <2 0 <500 --- <100 <2 0 <2 0 <2 0 <1,000 41
<br /> 04/28/984°p -- --- <2 5 <2 0 <500 --- <100 <2 0 <2 0 <2 0 <1,000 41
<br /> 07/28/98 <0 50 <0 50 <2 5 <2 0 <500 --- <100 <2 0 <2 0 <2 0 <1,000 76
<br /> 10/07/98 <0 50 <0 50 <2 5 <2 0 <500 --- <100 <2 0 <2 0 <2 0 <1,000 19
<br /> 01/28/99 <0 50 <0 50 <2 5 <2 0 <500 --- <100 <2 0 <2 0 <2 0 <2,000 10
<br /> 04/08/99 <0 500 <0 500 <5 00 0 667 <100 <20 0 --- <1 00 <1 00 <100 <1,000 16
<br /> 07/22/99 <0 500 <0 500 <2 50 <2 00 <500 <100 --- <2 00 <2 00 <2 00 <1,000 17
<br /> 10/13/99 <0 500 <0 500 <2 50 <2 00 <500 <100 --- <2 00 <2 00 <2 00 <1,000 62
<br /> 01/06/00 <0 500 <0 500 <2 50 <2 00 <1,000 <200 --- <2 00 <2 00 <2 00 <1,000 34
<br /> 04/11/00 <1 00 <1 00 305 <1 00 <200 <20 0 --- <1 00 <1 00 <1 00 <1,000 1 1
<br /> 07/27/00 <0 500 <100 <2 50 <1.00a <400 <20.0' --- <1.00' <100' <1.00' <1,000 49
<br /> MW-3 04/28/98 --- --- 63 69 <500 --- <100 <2 0 <2 0 <2 0 <1,000 10
<br /> 07/28/98 <0 50 <0 50 44 45 <500 --- <100 <2 0 <2 0 <2 0 <1,000 27
<br /> 10/07/98 <0 50 <0 50 11 97 <500 --- <100 <2 0 <2 0 <2 0 <1,000 14
<br /> 01/28/99 <0 50 <0 50 <2 5 <2 0 <500 --- <100 <2 0 <2 0 <2 0 <2,000 1 3
<br /> 04/08/99 <0 500 <0 500 <5 00 230 <100 <20 0 --- <1 00 <1 00 <1 00 <1,000 12
<br /> 07/22/99 <0 500 <0 500 449 343 r500 ,<100 --- <2 00 <2 00 <2 00 <1,000 13
<br /> 10/13/99 <0 500 <0 500 <2 50 <2 00 <500 <100 --- <2 00 <2 00 <2 00 <1,000 45
<br /> plmamlU7igmgm2xls i of 2
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