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Fr rl <br /> Current Phase of Project Remediation <br /> Frequency of Groundwater Sampling Quarte l <br /> Frequency of Groundwater Monitoring Quarter <br /> Is Free Product (FP) Present On Site No <br /> FP Recovered this Quarter N/A <br /> Cumulative FP Recovered to Date N/A <br /> Current Remediation Techniques SVE/Air Sparging <br /> Approximate Depth to Groundwater 49 58 to 51 93 <br /> Groundwater Flow Direction Southeast <br /> Groundwater Gradient 0 002 <br /> SVE QUARTERLY OPERATION AND PERFORMANCE <br /> Equipment Inventory Airex Katox Thermal Oxidizer(100-scfm) <br /> Operating Mode Quarterly <br /> SJVUAPCD Permit No N-3218-1-0 <br /> . Total petroleum hydrocarbons <br /> (TPH)Conc End of Period (fab) 3,200 mg/m3 <br /> Benzene Conc End of Period (lab) 18 mg/m3 <br /> Flow Rate End of Period 64 cubic feet per minute <br /> Applied Vacuum This Period 5 <br /> HC Destroyed this Period (lab) 73 pounds <br /> Utility Usage 16,900 kilowatt hours <br /> (electrical/gas/propane) <br /> Operating Hours This Period 1368 <br /> Percent Time Operational 93% <br /> Number of Auto Shutdowns 1 <br /> CURRENT SOURCE (BEFORE DILUTION) INFLUENT SUMMARY (LAB): <br /> Total petroleum hydrocarbons as <br /> gasoline (TPHG) Conc This <br /> Period 3,200 mg/m3 <br /> TPHG Conc Last Period 2,200 Mg/M3 <br /> India[TPHG Conc 9,900 mg/m3 <br /> Benzene Conc This Period 18 mg/m3 <br /> 40 Benzene Conc Last Period 3 mg/m3 <br /> Initial Benzene Concentration 290 Mg/M3 <br /> SAC1N\PJft80SD805 t 140 6AS-95Sgb l <br />