Laserfiche WebLink
QUARTERLY MONITORING RESULTS <br /> guidelines of the Tri-Regional Board Staff Recommendations for Preliminary Evaluation and <br /> Investigation of Underground Tank Sites,Appendix A-Reports(Central Valley Regional Water <br /> Quality Control Board, 1991). I <br /> As approved by PHS/El-ID, Del Monte began operating an air sparging and soil vapor <br /> extraction(AS/SVE) system in February 1995. This remediation system focused on <br /> removing gasoline constituents in the source area above and below the groundwater table. ! . <br /> Approximately 9,000 pounds of total petroleum hydrocarbons(TPH)as gasoline was <br /> removed during operation of the remediation system. In February 1996 the remediation <br /> system was shut down due to rising groundwater levels. <br /> At the direction of PHS/EHD,Del Monte is currently conducting quarterly groundwater ' <br /> monitoring(since 1991) and conducting a 1-year intrinsic bioremediation(ITB) } <br /> demonstration. <br /> I . <br /> I <br /> r� . <br /> a <br /> i <br /> 1, <br /> I <br /> SFOIG:{PROJECTSIDELMONTEIPLANT 331QTR_REP.DOC 2 <br />