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' B19168 Environmental Management Inc 3rd Qtr 2004 Groundwater Monitonng Report <br /> 002-70950-04 U-Haul#709-50 <br /> This suspicion was triggered by the fact that GZA's groundwater sample from monitoring well MW-7C <br /> ' indicated significantly lower concentrations of TPHg and BTEX than the sample collected from the same <br /> well by Blaes Environmental The new samples collected on September 28, 2004 were submitted to Del <br /> Mar Analytical in Irvine, California Analytical results of the groundwater samples collected on <br /> September 28, 2004 confirmed Blaes Environmental's original analysis provided by Sequoia <br /> Concentrations of TPHg and benzene in the sample collected from monitoring well MW-7C were <br /> indicated at 3,500 ug/L and 410 ug/L, respectively Analytical results of groundwater samples collected <br /> from MW-5C and MW-8C were also similar to the originals analyzed by Sequoia The laboratory <br /> analytical report for the confirmation sampling event is included as Appendix D <br /> i <br /> i - <br /> 1 <br /> 1 <br /> i <br /> 12 <br /> 1 <br />