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I 7 <br /> Chevron U.S.A. <br /> "�. Page 25 <br /> TABLE VI-A <br /> Concentration of Petroleum Constituents in Groundwater <br /> (Concentrations expressed in parts per billion) <br /> Sampling Performed by Dames & Moore <br /> Chevron Stn 9-6465 <br /> Sample Sample TPH <br /> I,D, ate Benzene Toluene Ethbenz Xylenes Gas <br /> k ; MW-2A 04/11/90 2. n/d n/d n/d i <br /> 05/09/90 n/d n/d n/d 2: 61 <br /> Fe 08/17/90 0.6 n/d n/ct n/d 160 <br /> e - <br /> 4 � MW-4A 04/11/90 n/d n/d n/d n/d <br /> 05/09/90 n/d n/d rE/d n/d n/d <br /> 08/17/90 n/d n/d n/d n/d n/d <br /> MW-5A 04/11/90 r./d n/d n/d n/d <br /> 05/09/90 n/d n/d n/d n/d n/d <br /> j, 08/17/90 n/d n/d n/d n/d n/d <br /> a ray MW-8 04/11/90 n/d n/d n/d n/d <br /> ° 05/09/90 n/d n/d n/d n/d n/d <br /> 08/17/90 0.3 n/d n/d n/d 120 <br /> MW-9 04/11/90 n/d n/d n/d n/d <br /> .� 05/09/90 n/d n/d n/d n/d n/d <br /> 08/17/90 n/d n/d n/d n/d n/d <br /> k MW-10 04/11/90 n/d n/d n/d n/d <br /> 05/09/90 n/d n/d n/d n/d n/d <br /> MW-11 14/11/90 n/d n/d n/d n/d <br /> r � 05/09/90 n/d n/d n/d n/d n/d <br /> E� 08/17/90 0.5 n/d n/d n/d 83 <br /> Detection <br /> Limits 0.3 0.3 0.3 0.6 50 <br /> t <br /> Legend; <br /> r <br /> + n/d - non-detected <br /> Ethbenz - Ethylbenzene <br /> TPH-Cas - Total Petroleum Hydrocarbons as Gasoline <br /> I s <br /> 15000-296-06f <br /> r DANms v At00111; <br />