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AWAWu� <br /> WAWiAV'VAr=1L <br /> Working to Restore Nature <br /> TABLE 7 <br /> CONCENTRATIONS OF HYDROCARBONS IN SOIL SAMPLES <br /> ARCO Service Station 2168 <br /> 441 west Charter way,Stockton,California <br /> (Page 3 of 3) <br /> Sample Ethyl- Total <br /> Number Date TPHg Benzene Toluene benzene Xylenes <br /> CamQodtes <br /> 50724-IABCD 07/24/91 <br /> <1.0 <0.005 <0.005 <0.005 <0.005 <br /> S-0507-lABCD 05/07/92 <br /> <1.0 <0.005 <0.005 <0.005 <0.005 <br /> S-0507-2ABCD 05/07/92 86 <0.050 <0.050 <0.050 0.74 <br /> 5-0113-IABCD 01/13/93 73 0.11 0.730 0.29 2.1 <br /> 5-1007-IABCD 10/07/93 160 0.20 0.76 053 25 <br /> Results in parts per million (ppm) <br /> TPHg — Total petroleum hydrocarbons as gasoline <br /> < - Less than the detection limit for the analytical methods used <br /> Sample designation: <br /> S-6-B13: Soil sample-sample depth(feet below grade)-boring number <br /> S-1-PLl: Soil sample-sample depth(feet below grade)-product line sample <br /> 5-0113-1ABCD: Soil sample-sample date-composite of samples lA.1B,1C1D <br /> 31009-10 <br />