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Current Phase of Project Remediation <br /> Frequency of Groundwater Sampling Quarterly <br /> Frequency of Groundwater Monitoring Quarterly <br /> Sampling Date November 26, 1996 <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 S ar in <br /> Approximate Depth to Groundwater 48 30 to 50 41 <br /> Groundwater Flow Direction East to Southeast <br /> Groundwater Gradient 0 001 <br /> SVE QUARTERLY OPERATION AND PERFORMANCE <br /> Equipment Inventory Airex Katox Catalytic Oxidizer (100-sctm) <br /> Operating Mode Catalytic <br /> SJVUAPCD Permit No N-3218-1-0 <br /> Total petroleum hydrocarbons <br /> (TPH) Conc End of Period (lab) 3,600 m /m3 <br /> Benzene Conc End of Period (lab) 18 0 m /m3 <br /> Flow Rate End of Period 51 83 cubic feet per minute <br /> Applied Vacuum This Period 45 inches of water <br /> HC Destroyed this Period (lab) 1,183 pounds <br /> Utility Usage <br /> (electrical/gas/propane) 20,206 kilowatt hours <br /> Operating Hours This Period 1,596 <br /> Percent Time Operational 76 40/6 <br /> Number of Auto Shutdowns 2 <br /> CURRENT SOURCE(BEFORE DILUTION) INFLUENT SUMMARY (LAB) <br /> Total petroleum hydrocarbons as <br /> gasoline (TPHG)Conc This <br /> Period 3,600 mg/m3 <br /> TPHG Conc Last Period 3,300 mg/m3 <br /> Initial TPHG Conc 9,900 mg/m3 (November 9, 1994 Jollowing system upgrade <br /> Benzene Conc This Period 18 0 mg/m3 <br /> Benzene Conc Last Period <2 5 mg/m3 <br /> Initial Benzene Concentration 290 mg/m3(November 9, 1994[following system upgrade]) <br /> 5A(-\N\080S08051140 6D5 97y3ra 1 <br />