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Table 2 Historical Soil Sample Analytical Results 7-Eleven Store#14117 2725 Country Club Boulevard Stockton,CA Ethyl- WEE TBA DIPE ETBE TAM 1,2- Meth- Eth- Ace- Sample Date Benzen Toluene benzene Xylenes TPHg 8020 8260 8260 8260 8260 8260 DCA EDB anol anol tone Lead Number (mglkq) (mglkq) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) mglkq) mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) Notes 1-1-5' 04/28/05 <0.0050 <0.0050 <0.0050 <O.OD50 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 - - - - 1-1-10' 04/28/05 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 10.0050 <0.0050 <0.0050 - - 1-1-15' 04/28/05 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 0.44 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 - - 1-1-20' 04/28/05 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 0.076 <O.0050 <O.0050 <0.0050 <0,0050 <0.0050 - - - - 1-1-25' 04/28/05 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 - <0.0050 0.064 <0.0050 <0.0050 <0.0050 <0.0050 <0,0050 - - - 1-2-10' 01/08/09 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 1 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 _ - - - 1-2-15' 01/08/09 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 1.2.20' 01/08/09 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 I-2.25' 01/06/09 <0.0050 10.0050 <0.0050 <0.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 - 1-2.30' 01/08/09 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 1-2-35' 01/08/09 <0.0050 <0.0050 <0.0050 10.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 - - 1-4-10' j 12/30/08 <0.0050 <0.0050 <0.0050 <0.0050 2.3 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 1-4.15' 12/30/08 <0.0050 <0.0050 <0.0050 <0.0050 3.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 - 1.4-20' 12/30/08 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 - - 1-5-10' 12/31/08 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <O.0050 - 1-5-15' 12/31/08 <O.0050 <0.0050 <0.0050 <0.0050 <1.0 - <0.0050 <0.0050 <0.0050 <0.0050 <O.DO50 - - 1-5-20' 12/31/08 <0.0050 <0.0050 <0.0050 <0.0050 <1.0 10.0050 <0.0050 <0.0050 <0.0050 <0.0050 1-5-25' 12/31/08 <0.0050 <0.0050 <0.0050 <0.0050 11.0 10.0050 <0.0050 <0.0050 <0.0050 <0.0050 - - - Stockpile Samp es SP-ffAED 04/28/05 <D.0050 <0.0050 <0.005D <0.0050 <1.0 10.0050 - - - - - 4.6 PI 12/31/08 10.0050 10.0050 10.0050 10.0050 11.0 10.00508.2 SP01/08/09 10.0050 10.0050 <0.0050 <0.0050 <1.0 10.0050 - - - - - - 6.2 Explanation TPHg=Total petroleum hydrocarbons-as-gasoline EtBE=Ethyl-tert-butyl ether -=not available/not analyzed MtBE=Methyl Tert-butyl ether TAME=Tert-amyl-methyl ether <=Not detected above laboratory method reporting limit TBA=Tert-butanol 1,2-DCA=1,2-dichloroethane UST=Underground storage Tank DIPE=Diisopropyl ether mg/kg=milligrams per kilogram 7-11\7-Eleven Stores\14117\Tables\14117 Historical Soil.xls Page 4 of 4