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Table 2 - Groundwater Chemical Analytical Data <br /> Tosco(Former BP)Service Station No 11192 <br /> 1403 Country Club Boulevard <br /> Stockton,California <br /> Date Sample Ethanol TBA MTBE DIPE ETBE TAME <br /> Sampled Numbers (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> Sampled from MW-3 <br /> 12/19/00 <br /> MW-3 PRE ND' 4,000 210,000 ND' ND' 100 <br /> MW-3 POST ND' 39,000 160,000 ND' ND' 650 <br /> TRK12-19-00 ND' 32,000 52,000 ND' ND' 350 <br /> 12/26/00 <br /> MW-3 PRE NO 29,000 130,000 ND' NO 950 <br /> MW-3 POST NO 20,000 89,000 ND' NO 580 <br /> TRK12-26-00 ND' 21,000 56,000 ND' ND' 350 <br /> 112/01 <br /> MW-3 PRE ND 390 100,000 ND ND 98 <br /> MW-3 POST NO 23,000 95,000 NO ND' 660 <br /> TRKOI-02-01 ND 1,400 60,000 ND ND 380 <br /> EXPLANATIONS: ANALYTICAL METHODS: <br /> EPA Method 8260 for Oxygenate Compounds <br /> TBA=Tertiary butyl alcohol <br /> MTBE =Methyl tertiary butyl ether ANALYTICAL LABORATORY: <br /> DIPE=Di-isopropyl ether Sequoia Analytical(FLAP#1271) <br /> ETBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether �=Elevated detection limit Refer to analytical report <br /> ppb=Parts per billion 2=This sample was originally analyzed within holding time Re-analysis for confirmation <br /> ND = Not Detected or dilution was performed past the holding time <br /> 140245 02 <br />