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f4 <br /> CONOCO, INC -9 <br /> SOIL VAPOR EXTRACTION SUMMARY REPORT <br /> 4325 East Waslungton Street <br /> Stockton, Cahforrua <br /> Consultant SECOR International,Inc FEB 3 95 <br /> Reporting Agency San Joaquin County Public Health Services <br /> Reporting Period October 1 -December 31, 1994 71ompol ru <br /> �-f=hndlcgl <br /> System Equipment King Buck'thermal oxidation unit <br /> 5 HP blower,21 extraction wells <br /> Operating Mode Thermal oxidation <br /> APN Permit# N-1014.1-0 <br /> LABORATORY DATA (mgW) <br /> PROCESS INFLUENT SUMMARYO) 25 Oct 94 17 Nov 94 14 Dec 94 <br /> TPHg concentration this period 2,600 2,000 2,200 <br /> TPHg concentration last period 2,400 - - <br /> Benzene concentration this period ND(10) ND(2 0) ND(2 0) <br /> Benzene concentration last period ND(2 0) - - <br /> f" <br />• LABORATORY DATA (mg/W) <br /> PROCESS EFFLUENT SUMMARY(2) 25 Oct 94 17 Nov 94 14 Dec 94 <br /> TPHg concentration this period NA NA NA <br /> TPHg concentration last period NA - - <br /> Benzene concentration this period NA NA NA <br /> Benzene concentration last period NA - - <br /> OPERATING EFFICIENCY 25 Oct 94 17 Nov 94 14 Dec 94 <br /> Mass discharge of TPHg NA NA NA <br /> Mass discharge of Benzene NA NA NA <br /> TPH effluent permit limit 5 0 lbs/day <br /> Benzene effluent penmt linut NA <br /> Total TPHg removed this period 20 35 lbs <br /> Operating hours this period 18452 <br /> Number of auto shut downs 1 <br />. %Operational 81% <br /> (1)TPHg and Benzene were analyzed by Trace Analysis Laboratory using USEPA Methods 8015/8020 <br /> (2)The eluent parameters are not required as part of this peraut, however the 1995 report penods will have new permit requirements which include <br /> effluent parameters <br />