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sh <br /> December 2003 <br /> Approximately 340 cubic yards of petroleum hydrocarbon-impacted soil was excavated from the ry <br /> I farmer UST location Soil was disposed of at Forward Landfill in Manteca, California Based on the <br /> low to non-detect concentrations of petroleum hydrocarbons in the soil samples collected from the [ <br />' sidewalls and floor of the excavation, it appears that the major portion of the most significantly <br /> impacted soil was removed during over-excavation <br /> Ground Water Monitoring r , <br />' Based on analytical results of ground water samples collected during quarterly monitoring and site <br /> assessment activities, the most impacted ground water appears to be centered around EW-1 and <br /> MW-10 The vertical extent of the contamination plume,as well as the lateral extent east and south <br />' of the former UST cluster, is not well defined <br /> i t i <br /> , <br /> � L <br /> 1 1 ' <br /> M � <br /> a i <br /> 1 <br /> N + <br /> Y <br /> A <br /> y r i <br /> a � <br /> r j <br /> r � <br /> t i <br /> v � <br /> r <br /> l <br /> r � <br /> s <br /> i <br /> d' <br />