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The traffic box servicing well MW-3 was again found <br /> damaged, apparently has a result of heavy truck traffic, <br /> and was repaired. <br /> The direction of 9=Undwater flow and hydraulic gradient <br /> were calculated for the March, 1994 sampling event. These <br /> calculations indicated a reversal in the direction of <br /> groundwater flow, a condition which seemed unlikely. <br /> Rather, it was assumed that the recent damage to MW-3 may <br /> have included previously undetected lowering of the well <br /> C <br /> and a resultant alteration in well head elevation. <br /> To confirm this , EPM resurveyed the wellheads on May 2 , <br /> 1994 . The new wellhead elevations and revised groundwater <br /> flow and hydraulic gradient calculations are enclosed as <br /> Appendix B. <br /> ENVIRONMENTAL COMPLIANCE ACTIVITIES SCHEDULED FOR THE NEXT <br /> QUARTER <br /> EPM will complete the assessment task described in an <br /> approved workplan. The field port the treatability <br /> study previously approved for on-sitoge remediation of <br /> hydrocarbon contamination of soil and water continues <br /> ' begun. The next sampling of the on-site wells for <br /> compliance monitoring will be performed during latter part <br /> of the month of June, 1994 . <br /> John E. Rapp, RENS <br /> EPM Technologies , Inc . QPDFESS1O4f <br /> 0 No.14001 YP <br /> Marvin Kirkeby, P. E. Cr EXP3 7' V <br /> Registered Civil Engineer <br /> MK/JER•ms rF OF CA4Slo <br /> enc. Figures 1 and 2 <br /> Appendix A. . Reports of Laboratory Analyses , Chain <br /> of Custody Documents, Well Monitoring <br /> Forms <br /> Appendix B. . . Determination of the Direction of <br /> Groundwater Flow and Flow Rate <br /> Page 8 <br />