Laserfiche WebLink
I <br /> Current Phase of Project Remediation <br /> Frequency of Groundwater Sampling Quarter) <br /> Frequency of Groundwater Monitoring Quarterly <br /> Sampling Date May 20, 1997 <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/AEr 5parging <br /> Approximate Depth to Groundwater 43 81 to 45 93 <br /> Groundwater Flow Direction East to Southeast <br /> Groundwater Gradient 0 001 <br /> SVE QUARTERLY OPERATION AND PERFORMANCE <br /> i <br /> Equipment Inventory Airex Katox Catalytic Oxidizer(100-scfm) <br /> Operating Mode Catalytic _ <br /> SJVUAPCD Permit No N-3218-1-0 <br /> Total Petroleum Hydrocarbons <br /> (TPH)Conc End of Period (lab) 4,000 mg/m3 <br /> Benzene Conc End of Period (lab) 12 mg/m3 <br /> Flow Rate End of Period 44 cubic feet per minute <br /> Applied Vacuum This Period 114 inches of water <br /> HC Destroyed this Period (lab) 1,374 pounds <br /> Utility Usage <br /> (electrical/gas/propane) 45,373 kilowatt hours <br /> Operating Hours This Period 2,088 <br /> Percent Time Operational 85% <br /> Number of Auto Shutdowns 2 ower failures <br /> CURRENT SOURCE (BEFORE DILUTION) INFLUENT SUMMARY (LAB) <br /> Total Petroleum Hydrocarbons as <br /> Gasoline (TPHG) Conc This <br /> Period 4,000 Mg/m3 <br /> TPHG Conc Last Period 2,500 mQ/m3 — <br /> Initial TPHG Conc 9,900 mg/m3(November 9, 1994 [following system <br /> upgrade]) <br /> Benzene Conc This Period 1 2 mg/m3 <br /> Benzene Conc Last Period 37 mg/m3 _. <br /> Initial Benzene Concentration 290 mg/m3 (November 9, 1994[following system upgrade]) <br /> SAC\N TWWW8051140 8BS-96\cJ'b 2 <br />