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TABLE 1 <br /> Historical Soil Sample Analytical Results <br /> Ranch Market <br /> 23569 South Santa Fe Road <br /> Riverbank,California <br /> Ethyl EPA method 8260 B Total <br /> Sample Date Depth Benzene Toluene Benzene Xylenes. TPHg MtBE TBA DIPE ETBA TAME EDB Lead <br /> LD. Sampled (feet) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (m g) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (m g) (m g) (mg/kg) <br /> AS-1 09/21/00 15 <0,0201 0.061 0.221 1.61 100 c <0.020 --- --- --- --- -•• <br /> 0-- 260 1,1001 400 2,0001 24,000 cl Q.0 --- I --- --- --- -•- <br /> 25 6.6 121 2.81 161 160 c 0.52 1 --- -•• --- --- •-- <br /> 35 2.6 2.9 0.32 1.7 20 c 0.32 --- --- --- --- --- <br /> 50 (0.0050 0.0092 (0.0050 0.020 <1.0 <br /> Explanation: <br /> TPHg=Total petroleum hydrocarbons-as-gasoline(EPA method 8015 modified,unless noted otherwise) Oxygenates include: <br /> MTBE=Methyl tent-butyl ether MTBE=Methyl-ten-butyl Ether <br /> BTEX via EPA method 8020 DIPE=Di-isopropyl Ether <br /> SP=sample collected from soil holding piles for characterization ETBE=Ethyl-tert-butyl Ether <br /> - =not known or not analyzed TAME=Ten-Amyl methyl Ether <br /> mg/kg=milligrams per kilo gram or parts-per-million TBA=Ten-Butanol <br /> NO=Non Detect(below laboratory reporting limit) 1,2-DCA=1,2-Dichlormthane <br /> a=Oxygenates,1,2-DCA,and I-2-EDB via EPA 8260 EDB=Dibromoethane <br /> b=MW-5 and MW-7not sampled. See SB-2 for data near MW-5 and SB-3 for data near MW-7. <br /> c=BTEX,TPHg,and MtBE via EPA 8260B <br /> File:Project\Riverbank\Tables\Rb-SOIL-09-00 Page 4 of 4 5/10/01 <br />