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fl � <br /> Table 2 <br /> Groundwater Elevation and Analytical Data <br /> Tosco Service Station 6671 <br /> 8606 Thornton Road <br /> Stockton,California <br /> Well Depth Groundwater TPH as Ethyl- <br /> Well Date Elevation to Water Elevation Gasoline Benzene Toluene benzene Xylenes MtBE <br /> Number Sampled feet,MSL feet,TOC feet,MSL b b b b b b <br /> MW-1 02115!99 1259 2811 -1552 ND 106 ND ND ND 3 06' <br /> MW-2 02/15/99 1240 2788 -1548 100 356 ND ND ND ND' <br /> MW-3 02/15/99 1367 2921 -1554 ND 259 ND ND ND ND" <br /> MW-4 02/15/99 1372 2932 -1560 ND 0732 ND ND ND 748' <br /> TOC =Top of casing <br /> MSL =Mean Sea Level <br /> TPH =Total petroleum hydrocarbons <br /> ppb =Parts per billion <br /> NA=not analyzed <br /> ND/ND=Method 8015/8260 <br /> MtBE results are by EPA Method 8260 <br /> =sample was analyzed by EPA 8260 for fuel oxygenates TBA,DIPE,EtBE, <br /> and TAME All oxygenates were reported as nondetect <br /> 7GWMI0-031GW Tables <br />