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Table 3 Analytical Results <br /> ARCO Station 434, Lodi,California (cont'd) <br /> Monitoring Well <br /> Number Concentrations in ugA <br /> and Date Sampled Benzene Eth lbenzene Toluene Xylenes TPH-G a <br /> W-8 <br /> 11/13/87 <0 5 <0 5 <0 5 <0 5 <0 2 <br /> 211188 <0 5 <0 5 <0 5 <0 5 - <br /> 7/89 - - - - - <br /> 10/89 - - - <0 05 <br /> 1/90 - - - - - <br /> 5/10/90 <0 3 <0 3 <0 3 <0 3 - <br /> 10/05/90 <0 5 <0 5 <0 5 <0 5 - <br /> 1/29/91 <0 5 <0 5 <0 5 13 - <br /> 4/18/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 7/25/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 10/24/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 2/10192 05 <0 S <05 <0.5 <50 <br /> W-9 <br /> 4/23190 2000 12 320 3200 - <br /> 10/02/90 770 <0 5 120 610 - <br /> 211191 180 08 19 50 - <br /> 4/16/91 440 14 120 130 830 <br /> 7/22191 4100 <0 5 20 11 1400 <br /> 10/22/91 150 <0 5 <05 28 420 <br /> 2111192 180 <1 <1 <1 430 <br /> W-10 <br /> 5/9/90 25 04 04 2 - <br /> 10/04/90 16 3 2 10 - <br /> 2/2/91 26 06 25 36 - <br /> 4/17/91 64 <0 5 <05 097 <50 <br /> 7/24191 56 <0 5 <0 5 23 2900 <br /> 10/23/91 54 <0 5 <0 5 23 1100 <br /> 2111/92 15 <1 <1 <1 360 <br /> W-11 <br /> 5/3/90 34 34 11 19 - <br /> 10/04/90 2 1 2 4 - <br /> 2/2/91 18 32 1 29 - <br /> 4/18/91 44 <0 5 <0 5 19 470 <br /> 7/24/91 12 <0 5 <0 5 <0 5 450 <br /> 10/23/91 69 <0 5 <0 5 <0 5 380 <br /> 2111192 -CO 5 <0.5 <0.5 <0.5 340 <br /> W-12 <br /> 4123/90 <0 3 <0 3 23 09 - <br /> 10/04/90 <0 5 <0 5 <0 5 <0 5 - <br /> 2/2/91 <0 5 <0 5 <0 5 <0 5 - <br /> 4/17/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 7/24/91 69 <0 5 <0 5 <0 5 90 <br /> 7/24/91 69 <0 5 <0 5 <0 5 90 <br /> 10/23/91 25 <0 5 <0 5 <0 5 100 <br /> 2110192 12 <O.5 <0.5 <0.5 95 <br /> (a)Total petroleum hydrocarbons as gasoline <br /> Note Dash indicates not measured or analyzed Bold samples analyzed this quarter <br />