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CONOCO, INC <br /> • SOIL VAPOR EXTRACTION OPERATION REPORT <br /> 4325 East Washington Street <br /> Stockton, California <br /> Consultant SECOR International Incorporated <br /> Reporting Agency San Joaquin Valley Unified Air Pollution Control District <br /> Reporting Period October 1 -December 31, 1995 <br /> System Equipment King Buck Hasstech,Natural Gas Fueled <br /> 5 HP blower,10 extraction wells <br /> Operating Mode Thermal oxidation <br /> Permit# N-1014-1-0 <br /> LABORATORY DATA (mg/m3) <br /> PROCESS INFLUENT SUMMARY") 9 Oct 95 6 Nov 95 20 Dec 95 <br /> TPHg(2) 210 190 220 <br /> Benzene NDO 64 NDO 32 NDO 32 <br /> Toluene 41 1 5 14 <br /> Ethylbenzene 54 1 8 28 <br /> Xylenes 60 34 37 <br /> LABORATORY DATA (mg/m3) <br /> PROCESS EFFLUENT SUMMARY 9 Oct 95 6 Nov 95 20 Dec 95 <br /> TPHg 52 ND41 17 <br /> Benzene NDo 64 NDo o64 NDo o64 <br /> Toluene 012 0 082 NDo 075 <br /> Ethylbenzene NDo 87 NDo 087 NDo os7 <br /> Xylenes 072 022 NDo os7 <br /> OPERATING EFFICIENCY 9 Oct 95 6 Nov 95 20 Dec 95 <br /> Mass discharge of TPHg (lbs/day) 005 0 018 <br /> Mass discharge of Benzene(lbs/day) 0 0 0 <br /> TPHg effluent permit limit (lbs/day) 5 <br /> Total TPHg removed this period 107 7 lbs <br /> Cumulative TPHg removedl'� 106,057 7 lbs <br /> Operating hours this period 1782 1 <br /> Number of auto shut downs 1 <br /> % Operational 80% <br /> (1)Analyzed by Quanienra E nwromneatal SwAces Laboratory using EPA To-3 Mdbod for TPHg and BTEX <br /> (2)Total Petroleum hydrocarbons as Gasoline <br /> (3)Cumulahve TPHg ts based on Sunnven"pounds of gasoinne removed",dated 12 tact 1994 and added to the pounds removed durmg system operation <br /> by SECOR <br /> NDO 02 s not ddec fed above the labaratcxy reporting hmn. <br /> NA=data awt available due to system shut-da"and repanr <br />