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0 <br /> 02of`2 <br /> Table 3 <br /> Groundwater Analytical Data <br /> Tosco(Former Unocal)Service Station 5417 <br /> 1700 East Yosemite Avenue <br /> Manteca California <br /> Well GW TPM as Ethyl- Total Tert- <br /> Sample Date Elevation Elevation Gasoline Benzene Toluene benzene Xylenes MtBE DIPE ETBE TAME Butanol Methanol Ethanol <br /> ID Sampled Feet(TOC) Feet(TOC) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> GP-7 07/23/98 ---------- -- -— NO NO ND NO ND NO ND ND NO NO ND NO <br /> GP-8 07/23/98 -------- --------- ND ND NO ND ND 075 ND ND NO ND ND NO <br /> GP-9 07/23/98 ---------- ------- ND ND ND ND ND 064 ND ND ND ND ND ND <br /> GP10 07/23/98 ——- - -— -- NO NO ND ND ND ND NO ND ND ND ND ND <br /> MW-1 08/24/98 4260 2957 ND ND ND NO ND 10 ND NO ND ND NO NO <br /> MW-2 08/24/98 4237 2958 2100 051 ND 40 65 1 6 ND ND ND ND ND ND <br /> MW-3 08/24/98 4303 2983 NO ND NO ND NO 098 ND ND ND NO NO ND <br /> TPH =Total Petrleum Hydrocarbon <br /> ppb =part per billion <br /> NO =Not Detected <br /> MtBE =Methyl-tertiary-Butyl Ether <br /> DIPE =Dusopropyl ether <br /> ETBE =Ethyl-tertiary-Butyl Ether <br /> TAME =Tert-Amyt Methyl Ether <br /> TOC =Top of Casing measured relative to Mean Sea Level <br /> --------- =Not Applicable <br /> Note =See cerlifed analytical reports for reporting limits methods and results <br /> 911-007 1B/TABLE 3 September 22, 1998 <br />