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08 January 1996 <br /> • <br /> AGE-NC Project No 95-0104 <br /> Page 4 of 4 <br /> 5.0. CONCLUSIONS & RECOMMENDATIONS <br /> Dissolved petroleum hydrocarbons in ground water increased in wells MW-1 and MW-3 However, <br /> no petroleum hydrocarbons were detected in wells MW-2 or MW-4 All detectable concentrations <br /> of petroleum hydrocarbons continue to remain below State of California Maximum Contaminant <br /> Levels (MCLs) or Action Levels (ALs) for drinking water <br /> Several compounds of HVO continue to be present in each well on the property No overall increase <br /> or decrease of HVO was observed during the October 1995 sampling, of the 14 constituents detected <br /> for all wells, concentrations increased for seven analytes and decreased for seven analytes <br /> A Corrective Action Plan and addendum, indicating soil vapor extraction as the preferred remedial <br />' option for the site, been submitted to the PHS-EHD Upon approval, installation of the soil <br /> remediation system should commence <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 upon <br />' analytical results provided by an independent Iaboratory Evaluations of the geologic/hydro geologic <br /> conditions at the site for the purpose of this investigation are made from a ljmrted number of available <br /> data points (i a soil and/or ground water samples), and subsurface conditions may vary away from <br /> these data points No other warranty, expressed or implied, is made as to the professional <br /> recommendations contained in this report <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />