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• Current Phase of Protect Remediation <br /> Frequency of Groundwater Sampling All Monitorin Wells = Quarterly <br /> Frequency of Groundwater Monitoring Quarters <br /> Sampling Date June 26, 2000 <br /> Is Free Product(FP) Present on Site No <br /> FP Recovered This Quarter NIA <br /> Cumulative FP Recovered to Date NIA <br /> Current Remediation Techniques SVE/Air Bubbling (SVE system down since <br /> 11/24/97 due to low TPHG concentrations in soil <br /> vapor)_ <br /> Approximate Depth to Groundwater 36 fib to 38 89 ft <br /> Groundwater Flow Direction East-Northeast <br /> Groundwater Gradient 0 0015 ft/ft <br /> SVE QUARTERLY OPERATION AND PERFORMANCE <br /> Equipment Inventory Ai rex Katox Catalytic Oxidizer 100-scfm <br /> Operating Mode Catalytic <br /> SJVUAPCD Permit No N-3218-1-0 <br /> Total Petroleum Hydrocarbons (TPH) SVE system down since 11/24/97 <br /> Conc End of Period(lab) <br /> Benzene Conc End of Period (lab) NA <br /> Flow Rate End of Period NA <br /> Applied Vacuum This Period NA <br /> HC Destroyed This Period (lab) NA <br /> Utility Usage(electrical/gas/propane) NA <br /> Operating Hours This Period NA <br /> Percent Time Operational NA <br /> Number of Auto Shutdowns NA <br /> CURRENT SOURCE (BEFORE DILUTION) INFLUENT SUMMARY (LAB) <br /> Total Petroleum Hydrocarbons as <br /> Gasoline (TPHG) Conc This Period SVE system down since 11/24/97 <br /> TPHG Conc Last Period NA <br /> Initial TPHG Conc 9 900 M/M3 November 9 1994 [following system upgrade]) <br /> Benzene Conc This Period NA <br /> Benzene Conc Last Period NA <br /> Initial Benzene Concentration 290 m /m3 November 9, 1994 [following system upgrade]) <br /> C 1ARC0M 301QTRLY1200012l30g200 doc Delta <br /> 09/19/00 <br />