ARCHIVED REPORTS_SOIL MANAGEMENT PLAN AND EXCAVATION WORK PLAN

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TABLE 1 Page 12 of 12 SOIL ANALYTICAL DATA FORMER SHELL CENTRAL VALLEY CRUDE OIL PIPELINES CORDESRANCH TRACY,CALIFORNIA Depth: TPHc(r) B T E X MTBE Sample Locatiom (ftbgs) Sample Date: mg/kg mg/kg mg/kg mg/kg mg/kg urgft 25 11/14/2011 <25 UJ <0.00099 <0.00099 <0.00099 <0.0020 - 30 11/14/2011 <25 UI <0.00099 <0.00099 <0.00099 <0.0020 - 35 11/14/2011 <25 UJ <0.0010 <0.0010 <0.0010 <0.0020 - 5 11/14/2011 <25 UJ <0.00099 <0.00099 <0.00099 <0.0020 - B-114 10 11/14/2011 200 <0.0010 <0.0010 <0.0010 <0.0020 - 5 11/15/2011 9200 <0.0010 <0.0010 UJ <0.0010 UJ <0.0020 uJ - 10 11/15/2011 27000 <0.0052 <0.0052 <0.0052 <0.010 - 15 11/15/2011 48000 <0.0051 <0.0051 <0.0051 <0.010 - B-115 20 11/15/2011 8800 <0.0026 <0.0026 <0.0026 <0.0051 - 25 11/15/2011 170 <0.0010 <0.0010 <0.0010 <0.0020 - 30 11/15/2011 <25 <0.00099 <0.00099 <0.00099 <0.0020 - 35 11/15/2011 <25 <0.00099 <0.00099 <0.00099 <0.0020 - 5 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 10 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 15 11/15/2011 <25 <0.00098 <0.00098 <0.00098 <0.0020 - B-115A 20 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 25 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 30 11/15/2011 <25 <0.00099 <0.00099 <0.00099 <0.0020 - 35 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 5 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 10 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 15 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - B-115B 20 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 25 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 30 11/15/2011 <25 <0.00099 <0.00099 <0.00099 <0.0020 - 35 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - B-116 5 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - 10 11/15/2011 <25 <0.0010 <0.0010 <0.0010 <0.0020 - Notes and Abbreviations: TPHc=Total petroleum hydrocarbons as crude oil analyzed by EPA Method 8015B(C6-C44) (1)TPHc results for samples from boring locations B-1 to B-42 were calculated from the analytical 13TEX=Benzene,toluene,ethylbenzene,xylenes by EPA Method 8260B. it bgs-feet below ground surface mg/kg=milligrams per kilogram <n=Below detection limit NA=Not applicable -=Not analyzed "=extracted outside recommended holding time Results shown in italics considered saturated soil samples(>35 ft bgs) CRA060223(33)