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R + <br /> 14 July 1997 <br /> AGE-NC Project No 95-0143 <br /> Page 3 of 3 <br /> • Free product was not encountered at the site during the May monitoring, however, ground <br /> water is above the screened Interval in MW-3, which would prevent the detection of free <br /> product <br /> • Between February and May 1997, total petroleum hydrocarbon concentrations decreased in <br /> MW-7 However, hydrocarbon concentrations increased in wells MW-3, MW-6, and MW-9, <br /> but remained within recent historical levels In general, hydrocarbon concentrations have <br /> followed a fluctuating, poorly defined trend since quarterly monitoring began <br /> 5.0. RECOMMENDATIONS <br /> Based upon data collected during the May 1997 sampling event, AGE has the following <br /> recommendations <br /> • A Remedial Action Work Plan(RAWP)has been submitted and approved by the PHS-EHD <br /> Installation and operation of the approved remediation system should be initiated <br /> • The next quarterly monitoring at the site will be scheduled for August 1997, concurrent with <br /> monitoring at the Madison site <br /> 6.0 LIMITATIONS <br /> Our professional services were performed using that degree of care and skill ordinarily exercised by <br /> environmental consultants practicing in this or similar localities The findings were based mainly <br /> upon analytical results provided by an independent laboratory Evaluations of the geologic <br /> conditions at the site have been made from a limited number of available data points (i e ground <br /> water monitoring well samples), and subsurface conditions may vary through time and with distance <br /> from these data points No other warranty, expressed or implied, is made as to the professional <br /> recommendations contained in this report <br /> • <br /> Advanced GeoEnvrronmentn1,Inc <br />