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• • .� r • • r r • +� <br /> TABLE I <br /> SOIL SAMPLE ANALYTICAL RESULTS.OCTORERMOVEMRER 2013 <br /> Huntbrook Holdings,LLC <br /> 3138 East Main Sheet <br /> Slocktoq Califamia <br /> Ethyl- Toral TPH as Oxygenate <br /> Depth Benzene Toluene benzene Xylenes Gasoline TPH as Diesel Compounds Lead Scavengers Naphthalene TCE <br /> Sample ID Sample Date (ft) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mg/kg) (mglkg) (mg/kg) (mg/kg) PCE(mglkg) (mg/kg) <br /> TPH=Total petroleum hydrocarbons. <br /> Oxygenate Compounds=methyl tertiary butyl ether(MTBE),diisopropyl ether(DIPE),clhyi-t-butyl ether(ETBE),tert-butanol(TBA)and tert-amyl-methyl ether(TAME) <br /> Lead Scavengers=1,2-Dichloroethane(1,2 DCA)and 1,2-Dibromoethane(EDB) <br /> PCE=Tetmchamethene <br /> TCE—Trichloroethene <br /> mg/kg=Milligrams per kilogram. <br /> ND—Not detected at or above the laboratory reporting limit(<0.0050 mg/kg for Fuel Oxygenates and Lead Scavengers) <br /> ESL=Environmental Screening Level;based on the San Francisco Bay Regional Water Quality Control BoardaMay 1008 Revisions to Environmental Screening Levels(ESLs)Technical Document,stated <br /> ESL is for both Residential and Commercial/Industrial Land Use unless otherwise noted. <br /> •Depth is actually 3 meters(9.8 feet)based on the San Francisco Bay Regional Water Quality Control Board December 2013 Revisions to Environmental Screening Levels(ESLs)Technical Document, <br /> but was rounded up to 10 feet for this table <br /> 'Hydrocarbons are higher boiling point than typical Diesel Fuel <br /> "After silica gel cleanup <br /> `Hydrocarbons are lower boiling point than typical Diesel Fuel <br /> Increased laboratory reporting limit- <0.50 mg/kg for MTBE,DIPS,ETBE and TAME;<2.5 mg/kg for TBA <br /> `Increased laboratory reporting limit- <0.50 mg/kg for 1,2 DCA and<5.0 for EDB <br /> rIncreased laboratory reporting limit- <0.50 mg/kg for 1,2 DCA and Q.0 for EDB <br /> 'Increased laboratory reporting limit- <0.25 mg/kg for MTBE,DIPE,ETBE and TAME;<L5 mg/kg for TBA <br /> "Increased laboratory reporting limit- <0.40 mg/kg for MTBE,DIPE,ETBE and TAME;<2.0 mglkg for TBA <br /> 'Increased laboratory reporting limit- <0.40 mg/kg for 1,2 DCA and EDB <br /> '1,2 DCA <br /> °EDB <br /> Residential Land Use ESL <br /> 'CommericaVlndustiml Land Use ESL <br /> "MTBE <br /> 'TBA <br /> Page 2 of 2 <br />