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S � • <br /> TABLE 1 <br /> GROUNDWATER ANALYTICAL RESULTS,2006 CPT INVESTIGATION <br /> Terchert Property <br /> 103 North E Street,Stockton,CA <br /> Sample Ethyl- Total <br /> Depth Date TPHG Benzene Toluene benzene Xylenes MTBE TBA TAME DIPE ETBE 1,2-DCA EDB <br /> Sample ID (feet bgs) Collected (}t L) (µ (p ) ) (u (µ (pg/L) (µ (µ L) (µ (g (p ) <br /> Boren CPT-5 <br /> CPT-5-71W 71 01/28/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <10 <10 <10 22 <2 0 <br /> CPT-5-94W 94 01/28/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <10 <10 <10 <1 0 <2 0 <br /> Boren CPT-6 <br /> CPT-6-68 68 01/29/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <1 0 <1 0 <1 0 <1 0 <2 0 <br /> Boring CPT-7 <br /> CPT-7-71W 71 01/26/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <1 0 <1 0 <1 0 <l 0 <2 0 <br /> CPT-7-80W 80 01/26/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <1 0 <1 0 <1 0 <1 0 <2 0 <br /> Boring CPT-8 <br /> CPT-8-62W 62 01/27/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <1 0 <l 0 <1 0 22 <2 0 <br /> CPT-8-72W 72 01/27/06 <200* <1 0* <1 0* <1 0* <1 0* <1 0* <20* <2 0* <2 0* <2 0* 140 <8 0* <br /> CPT-8-81W 81 01/27/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <1 0 <1 0 <1 0 39 <2 0 <br /> Bonn CPT-9 <br /> CPT-9-71 W 71 01/26/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <1 0 <1 0 <1 0 <1 0 <2 0 <br /> CPT-9-78W 78 01/26/06 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <10 <1 0 <1 0 <1 0 <1 0 <2 0 <br /> Explanation Analytical Methods <br /> TPHG=Total petroleum hydrocarbons as gasoline TPHG analyzed using EPA Method SW80I5B/DHS LUFT Manual <br /> BTEX=Benzene,toluene,ethylbenzene,and xyienes BTEX,MTBE,DIPS,ETBE,TAME,TBA,EDB,and 1,2-DCA analyzed using <br /> MTBE=Methyl tertiary butyl ether EPA Method SW8260B <br /> TBA—Tertiary butyl alcohol <br /> 1,2-DCA= 1,2-Dichloroethane Analytical Laboratory <br /> DIPE=Di-isopropyl ether Alpha Analytical,Inc (FLAP#2019) <br /> ETBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether <br /> EDB= t,2-Dibromoethane <br /> µg/L=micrograms per liter <br /> *=Reporting limits increased due to high concentrations of target analytes <br /> I <br /> Teichert CPTanalyhcal Page 2 of 2 3T)ZArU5 <br />