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Ell <br /> Quarterly Ground--Water Monitoring January 31, 1989 <br /> ,�. Beacon .station No. 3-492, Manteca, California AGS 86102-3 <br /> TABLE 2 <br /> CUMULATIVE RESULTS OF LABORATORY ANALYSES <br /> Beacon Station No. 3-492 <br /> 470 North Main Street <br /> Manteca, California <br /> Well Number Ethyl- Total Total <br /> id Date Benzene Toluene benzene Xylenes Hydrocarbon <br /> Mtd-1 <br /> 12/04/86 0.077 0.024 0.145 0.0569 7.297 TVH <br /> 05/14/87 0.158 0.143 0.305 1.430 17.732 TVH <br /> I 01/15/88 0.005 0.088 0.055 0.376 2.49 TPH <br /> 06/07/88 0.12 1.86 0.66 4.50 21 TPH <br /> 09/06/88 NA NA NA NA NA <br /> MW-2 <br /> 12/04/86 0.054 0.132 0.061 0.829 1.829 TVH <br /> - �� 05/14/87 0.725 3.086 0.497 4.475 17.495 TVH <br /> 01/15/88 0.031 0.068 0.006 0.264 11.60 TPH <br /> 06/07/88 0.015 0.200 0.044 0.310 1.26 TPH <br /> 09/06/88 0.0015 0.0018 <0.0005 O.UO63 0.03 TPH <br /> MW-3 <br /> 12/04/86 <0.001 0.004 -40.001 0.008 0.034 TVH <br /> K <br /> 05/14/87 0.0021 0.0053 0.00 .5 0.0114 0.1192 TVH <br /> 01/14/88 1),0027 0.0106 0.0024 . 0,0252 0.100 TPH <br /> 06/07/88 0.003 0.035 0.023 0.151 1.17 TPH <br /> 09/06/88. <0.0005 <0.0005 <0.0005 -40.0005 <0.02 TPH <br /> All concentrations given in parts per million <br /> TVH = Total volatile hydrocarbons <br /> TPH = Total petroleum hydrocarbons <br /> NA = Not analyzed due to free product in well <br /> AjW118d 4900'SOM1rlS <br />