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. Table 1 <br /> Sod Analytical Data <br /> Total Petroleum Hydrocarbons <br /> (TPPH as Gasoline, BTEX Compounds and Oxygenate Compounds) <br /> Tosco(Former Unocal)Service Station 5417 <br /> 1700 Fast Yosemite Avenue(Highway 120) <br /> Manteca California <br /> TPPH as Ethyl- Other Oxygenate <br /> Sample Date Gasoline Benzene Toluene benzene Xylenes MtBE Compounds$ <br /> ID Sampled (mg/k (mg/kg) (mg/kg) m lk (mg/kg) (mg/k (mg/kg) <br /> PD-1 @2` 01/14/98 15,000 a 20 120 160 1,200 ND ` [NA] (NA) NA <br /> PD-1 @5 01/14/98 12 000 a ND 6 7 ND 180 ND " [ND] (N D) ND <br /> PD-2 @2 01/14/98 12,000 48 590 250 1,400 120 ` [NA] (NA) NA <br /> PD-2 @5 5 01114/98 28 ND 064 026 1 7 500 " [3 9] (0 5) ND <br /> PD-3 @2' 01/14/98 81 a 0 044 044 048 41 1 7 . [NA] (NA) NA <br /> PD-4 @2 01/14/98 590 a ND ND 053 9 3 ND * [NA) (NA) NA <br /> PD-4 Q5' 01/14/98 110 a ND 055 078 67 NA [3 3] (0 39) ND <br /> TPPH =Total purgeable petroleum hydrocarbons <br /> MTBE =Methyl tert-butyl ether <br /> mglkg= Milligrams per kilogram <br /> ND =Not detected at laboratory detection limit <br />. NA =Not analyzed <br /> a Chromatogram pattern indicates weathered gasoline C6-C12 <br /> =MtBE reported by EPA Method 8020 <br /> [] =Mt$E reported by EPA Method 8250 <br /> () =MtBE reported by EPA Method 8260,performed 8 days past hold time <br /> =Oygenate compounds included ethanol,t-butanol,di-osopropyl ether,ethyl tert-butyl ether and tert-amyl methyl ether <br /> The second 8260 analysis for oxygenates only was performed 8 days past the sample hold time <br />• <br /> i <br /> i <br /> i <br /> 3111791AITable'Table 1 April 6, 1998 <br />