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CA �SRIA
<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 b) (ppm)
<br /> MW-1 04/28/98 --- --- 110 120 <500 --- <100 <2.0 <2.0 <2.0 <1,000 0.9
<br /> 07/28/98 <0.50 <0.50 290 280 <1,250 --- <250 <5.0 <5.0 <5.0 <1,000 1.7
<br /> 07/28198a°P'a <0.50 <0.50 630 440 <1,650 --- <330 <6.6 <6.6 <6.6 <1,000 1.7
<br /> 10/07/98 <2.5 <2.5 2,000 1,700 <8,350 --- <1,670 <33 <33 <33 <1,000 1.1
<br /> 10/07/98d°p <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 0.9
<br /> 04/08/99 <0.500 <10.0 <5.00 591 <2,000 <400 --- <20.0 <20.0 <20.0 <1,000 1.0
<br /> 07/22/99 <0.500 <0.500 612 593 <1,670 <333 --- <6.66 <6.66 <6.66 <1,000 1.0
<br /> 10/13/99 <0.500 <0.500 1,070 1,640 <5,000 <1,000 --- <20.0 <20.0 <20.0 <1,000 5.2
<br /> 01/06/00 <0.500 <0.500 311 328 <2,500 <500 --- <5.00 <5.00 <5.00 <1,000 1.0
<br /> 04/11/00 <1.00 <1.00 566 466 <200 286 --- <1.00 <1.00 1.12 <1,000 1.4
<br /> 07/27/00 <0.500 <1.00 662 605a <8,000 <400a --- <20.Oa <20.Oa <20.Oa <1,000 3.8
<br /> 10/10/00 <0.500 <0.500 <2.50 <0.500 <100 <20.0 --- <1.00 <1.00 <1.00 4,000 1.2
<br /> MW-2 04/28/98 --- --- <2.5 <2.0 <500 --- <100 <2.0 <2.0 <2.0 <1,000 4.1
<br /> 04/28/98"°P --- --- <2.5 <2.0 <500 --- <100 <2.0 <2.0 <2.0 <1,000 4.1
<br /> 07/28/98 <0.50 <0.50 <2.5 <2.0 <500 --- <100 <2.0 <2.0 <2.0 <1,000 7.6
<br /> lO/07198 <0.50 <0.50 <2.5 <2.0 <500 --- <100 <2.0 <2.0 <2.0 <1,000 1.9
<br /> 01/28/99 <0.50 <0.50 <2.5 <2.0 <500 --- <100 <2.0 <2.0 <2.0 <2,000 1.0
<br /> 04/08/99 <0.500 <0.500 <5.00 0.667 <100 <20.0 --- <1.00 <1.00 <1.00 <1,000 1.6
<br /> 07/22/99 <0.500 <0.500 <2.50 <2.00 <500 <100 --- <2.00 <2.00 <2.00 <1,000 1.7
<br /> 10/13/99 <0.500 <0.500 <2.50 <2.00 <500 <100 --- <2.00 <2.00 <2.00 <1,000 6.2
<br /> 01/06/00 <0.500 <0.500 <2.50 <2.00 <1,000 <200 --- <2.00 <2.00 <2.00 <1,000 3.4
<br /> 04/11/00 <1.00 <1.00 3.05 <1.00 <200 <20.0 --- <1.00 <1.00 <1.00 <1,000 1.1
<br /> 07/27/00 <0.500 <1.00 <2.50 <1.00a <400 <20.0a --- <1.00$ <1.00n <1.00a <1,000 4.9
<br /> 10/10/00 <0.500 <0.500 <2.50 0.719 <100 <20.0 --- <1.00 <1.00 4.00 4,000 5.2
<br /> MW-3 04/28/98 --- --- 63 69 <500 --- <100 <2.0 <2.0 <2.0 <1,000 1.0
<br /> 07/28/98 <0.50 <0.50 44 45 <500 --- <100 <2.0 <2.0 <2.0 <1,000 2.7
<br /> 10/07/98 <0.50 <0.50 11 9.7 <500 --- <100 <2.0 <2.0 <2.0 <1,000 1.4
<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 2.30 <100 <20.0 --- <1.00 <1.00 <1.00 <1,000 1.2
<br /> 9V-t107BgWq.A2,& 1 of 2
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