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Table A-Historical Groundwater Monitoring Data (6/21/99 through 11/9/05) <br /> B T E X TEPH PNAs DTW Groundwater <br /> Elevation <br /> Detection <br /> limits: DATE 0.3 0.3 0.3 0.6 0.05 mg/L(diesel) 0.25 mg/L <br /> Sample mg/L mg/L mg/L mg/L 0.25 mg/L(kerosene) <br /> Location 0.50 mg/L(motor oil) <br /> TOC Elev. <br /> MW-3 6/21/99 NO NO ND ND NO NO 7.91 91.43 <br /> 99.34"' 9/14/99 NO NO ND ND NO NO 7.47 91.87 <br /> 1/28/00 ND ND NO NO ND ND(0.5) 4.67 94.67 <br /> 5/24/00 NO ND NO NO 0.10(diesel) ND 6.85 92.49 <br /> 8/22/00 ND ND ND ND ND NO 7.02 92.32 <br /> 11/16/00 ND ND ND ND ND NO 7.95 91.39 <br /> 2/16/01 ND NO ND ND NO ND(0.002) 8.61 90.73 <br /> 5/14/01 NO NO ND ND ND ND(0.002) 7.91 91.43 <br /> 8/28/01 NO NO ND NO ND NA 8.96 90.38 <br /> 11/14/01 NO ND NO NO ND NA 11.53 87.81 <br /> 2/11/02 ND ND NO ND ND NA 9.9 89.44 <br /> <0.05(diesel) <br /> 5/14/02 <0.5 <0.5 <0.5 <1.0 <0.25(kerosene) NA 10.97 88.37 <br /> <0.50(motor oil) <br /> <0.05(diesel) <br /> 8/14/02 NA NA NA NA <0.25(kerosene) NA 12.21 87.13 <br /> <0.50(motor oil) <br /> <0.05(diesel) <br /> 11/12/02 NA NA NA NA <0.25(kerosene) NA 13.09 86.25 <br /> <0.50 motor oil <br /> <0.05(diesel) <br /> 2/10-11/03 NA NA NA NA <0.25(kerosene) NA 12.34 87.00 <br /> <0.50 motor oil) <br /> <0.05(diesel) <br /> 5/12/03 NA NA NA NA <0.25(kerosene) NA 12.65 86.69 <br /> <0.50(motor oil) <br /> <0.05(diesel) <br /> 8/19/03 NA NA NA NA <0.25(kerosene) NA 14.13 85.21 <br /> <0.50(motor oil) <br /> <0.05(diesel) <br /> 12/8/03 NA NA NA NA <0.25(kerosene) NA 13.59 85.75 <br /> <0.50 motor oil <br /> <0.05(diesel) <br /> 2/9/04 NA NA NA NA <0.25(kerosene) NA 12.43 86.91 <br /> <0.50 motor oil) <br /> <0.05(diesel) <br /> 5/14/04 NA NA NA NA <0.25(kerosene) NA 12.36 86.98 <br /> <0.50(motor oil) <br /> 0.084(diesel) <br /> 8/6/04 NA NA NA NA <0.25(kerosene) NA 14.23 85.11 <br /> <0.50 motor oil) <br /> <0.05(diesel) <br /> 11/24/04 NA NA NA NA <0.20(kerosene) NA 14.57 84.77 <br /> <0.20(motor oil) <br /> <0.05(diesel) <br /> 14.81 2/8/05 NA NA NA NA <0.25(kerosene) NA 12.93 1.88 <br /> <0.50 motor oil <br /> <0.05(diesel) <br /> 5/13/05 NA NA NA NA <0.25(kerosene) NA 12.51 2.30 <br /> <0.50(motor oil) <br /> <0.05(diesel) <br /> 8/18/05 NA NA NA NA <0.25(kerosene) NA 14.35 0.46 <br /> <0.50(motor oil <br /> <0.05(diesel) <br /> 11/9/05 NA NA NA NA <0.25(kerosene) NA 14.39 0.42 <br /> <0.50 motor nil' T <br /> P:\1000_pri\1838 PLOF Diesel Line\1838C\Reports\Reports\4th qtr 2005\Table A 111005 Page 3 of 5 <br />