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0NAWAWu� <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 /> Campond- <br /> 50724-IABCD 07/24/91 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-0507-I ABCD 05/07/92 <10 <0 005 <0 005 <0 005 <0005 <br /> S-0507-2ABCD 05/07/92 86 <0050 <0050 <0 050 074 <br /> S-0113-IABCD 01/13/93 73 Oil 0 730 029 21 <br /> S-1007-1ABCD 10/07/93 160 020 076 053 2-5 <br /> Results in parts per million (ppm) <br /> TPHg - 'Total petroleum hydrocarbons as gasoline <br /> < - Less than the detection lima 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 /> S-0113-IABCD Sod sample-sample date-composite of samples IA 1B,1C1D <br /> I <br /> 31009-10 <br />