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t� <br /> H� Chevron U.S.A. <br /> Page 12 <br /> F <br /> Three samples were picked up on August 29, 1990 at the direction of Mr.Harlan <br /> Knolls. The sampling location is shown on Plate 6 and results of chemical analysis <br /> are summarized on Table V. <br /> r <br /> 1. <br /> TABLE V <br /> _ x Concentrations of Petroleum Constituents in Soil <br /> (Concentrations measured in parts per million) <br /> k : <br /> Date Co113cted: <br /> ff August 29, 1990 <br /> E <br /> Sample <br /> Benzene Toluene Ethbnz. Xylenes T.P.H. <br /> 1 ABC .0.005 <0.005 <0.005 <0.015 <10 <br /> s <br /> 2 ABC <0.005 <0.005 <0.005 <0.015 <10 <br /> tf 3 ABC <0.005 <0.005 <0.005 <0.015 <10 <br /> Minimum <br /> Detection Limit 0.005 0.005 0.005 0.015 10 <br /> Leaend• <br /> < - Less than T.P.H. - Total Petroleum Hydrocarbons <br /> - Ethbnz - Ethylbenzene n/8 - Non-detected <br /> On September 5th and 6th,the surface eight to ten inches of tilled soil was picked up <br /> and stockpiled. Samples were obtained by a representative of Dames&Moore without <br /> the direction of the San Joaquin County Health Department representative. Sampling <br /> locations are shown on Plates 7 and 8. The results of these tests are shown in Table <br /> Vi. <br /> - 16000-250-044 <br /> DAMES t 14c7attGa <br /> F� <br /> r' <br />