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Chevron U.S.A. <br /> Page 22 <br /> TABLE V <br /> Concentration of Petroleum Constituents in Groundwater <br /> (Concentrations expreLsed in parts per billion) <br /> Sampling Performed by Others <br /> Chevron Stn 9-6465 <br /> Sample Date of TPN <br /> Rep <br /> t enzer7 Tnsene Ethbenz, Xylenes Gas <br /> ' 14W-1 10/ /861 160 170 150 <br /> 02/04/83 21 1.9 <0.5 13 <1000 <br /> 8,.8P.1 <0.5 <0.5 <I.5 <0.5 <1000 <br /> s 09/11~/881 120 49 15 74 530 <br /> 12/16/881 <br /> * 03f`23/841 { <br /> 07/19/891 <br /> � # X 10/05/891 <br /> ' t!W-2 10/ /862 76 60 59 <br /> rs 02/04/881 <0.5 <0.5 <0,5 <0.5 <1000 <br /> 06/28/88 <0.5 <0,5 <0.5 <0.5 <1000 <br /> r P : 09/14/881 99 29 it Gl: 350 <br /> 12/19/881 340 30 <10 50 1000 <br /> x 03/13/891 780 23 5.5 27 1360 <br /> k 07/19/891 6,500 2800 280 2,000 80000 <br /> 09/08/891 8,100 2,?00 440 2,200 8000 <br /> f <br /> ■ 10/05/891 13,000 5,500 1,200 6,800 58000 <br /> MW-3 10/ /861 3.0 4.0 4.0 <br /> } 02/04/88 <0.5 <0.5 <0.5 c0.5 <I000 <br /> me <br /> 06/28/881 <0,5 <0.5 <0.5 <0.5 <1000 <br /> 12/16/881 <br /> * 32/23/891 <br /> * 07/19/891 <br /> * 10/05/84 <br /> MW-4 02/04/881 1.8 U.F <0.5 <0.5 <1000 <br /> 06/14/88 <0.:+ <0.5 <0.5 <0.5 <1000 <br /> �A 09/14/881 2.8 <1 <1 <1 150 <br /> 12/16/C81 1 <1 <1 <1 330 i <br /> t� (Aup) 12/16/881 0.9 <1 <1 <1 200 <br /> 03/23/891 <0.5 <0.5 <0.5 <0.5 <500 <br /> 98 0.8 <0.5 10 <500 <br /> 07/19/891 <br /> * 10/05/891 <br /> ! continued on next page <br /> Fra <br /> him <br /> i - <br /> 16080-? 6-045 <br />