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i <br /> • • a <br /> TABLE I-Results of Chemical Analyses on Groundwater-Petroleum Hydrocarbons <br /> Pombo Ranch Property Monitoring Wells <br /> Well Date DTW Elevation Gasoline Benzene Toluene E-Benzene Xylenes MTBE Oz All Other Oxygenated <br /> m Compounds <br /> MW-3 7-23-99 9.3 35.70 <0.05 <0.3 <0.3 <0.3 <0.6 <1.0 NA ND <br /> Collar El. 4-25-03 11.65 33.35 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 4.3 ND <br /> 45.00 7-18-03 9.91 35.09 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 0.44 ND <br /> Depth 10-10-03 10.08 34.92 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 1.32 ND <br /> 20' 01-19-04 12.51 32,49 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 0.68 ND <br /> Screen 05-14-04 11.29 43.73 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 0.84 ND <br /> 5'-20' 07/14/04 10.75 44.27 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 1.25 ND <br /> -Surveyed 10/20/04 10.08 44.94 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 0.85 ND <br /> 5/21/04 01/20/05 12.42 42,60 <0.05 <0.3 <0.3 <0.3 <0,6 <0.5 4.52 ND <br /> 55.02 05/10/05 11.97 43.05 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 1.47 ND <br /> 07/20/05 11.47 43.55 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 4.61 ND <br /> 10/06/05 11.3 43.72 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 2.05 ND <br /> 01/10/06 12.43 42.59 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 1.91 ND <br /> 04/13/06 13.27 41.75 <0.05 <0.3 <0.3 <0.3 <0.6 <0.5 2.90 ND <br /> MW-4 05-14-04 10.70 42.85 0.41 1.1 <0.3 12 14 20 0.43 ND below report levels <br /> Collar El. 07/14/04 10.25 43.30 <0.05 7,5 <0.3 13 <0.6 29 0.80 ND <br /> 53.55 10/20/04 9.56 43.99 0.30 2.5 <0.3 9.3 6.3 29 9.56 ND <br /> Depth 01/20/05 11.70 41.85 0.79 2.4 <0.3 32 46 45 0.78 ND <br /> 20' removed <br /> Screen <br /> 5'-20' <br /> MW-413 05/10/05 1 11.95 42.31 <0.05 <0.3 <0.3 <0.3 <0.6 3.7 0.92 ND <br /> Collar El. 07/20/05 11.48 42.78 <0.05 <0.3 <0.3 <0,3 <0.6 2.4 2.06 ND <br /> 54.26 10/06/05 11.31 42.95 <0.05 <0.3 <0.3 <0.3 <0.6 6.9 1.41 ND <br /> Depth 01/10/06 12.37 41.89 <0.05 <0.3 <0.3 <0.3 <0,6 6.6 1.65 ND <br /> 20' 04/13/06 13.17 41.09 <0.05 <0.3 <0.3 <0.3 <0.6 12 126 ND <br /> Screen <br /> 5'-20' <br />