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TEXACO REFINING AND MARKETING, INC. <br /> SOIL VAPOR EXTRACTION OPERATION REPORT <br /> 440 West Charter Way <br /> Stockton, California <br /> Consultant SECOR International Incorporated <br /> Reporting Agency San Joaquin Valley Unified Air Pollution Controlt District <br /> Reporting Period October 1 - December 31, 1996 <br /> System Equipment AKI SYSTEMS, INC Thermal Oxidation, 4 dual-completion extraction wells, <br /> 25 HP blower <br /> Operating Mode Thermal Oxidation <br /> Permit # N-3139-1-0 <br /> LABORATORY DATA (mg/M') <br /> PROCESS INFLUENT SUMMARY") 08 Oct. 96 11 Nov. 96 Dec. 96 <br /> TPHg(2) 750 690 NA <br /> Benzene 2 4 4 6 NA <br /> Toluene 3 7 3 7 NA <br /> EthyIbenzene 3 3 41 NA <br /> Xylenes 37 32 NA <br /> LABORATORY DATA (mg/W) <br /> PROCESS EFFLUENT SUMMARY 08 Oct. 96 11 Nov. 96 Dec. 96 <br /> TPHg 22 22 NA <br /> Benzene ND(a 2) ND(O 2) NA <br /> Toluene ND(a 2) 064 NA <br /> Ethylbenzene ND(a 2) 025 NA <br /> Xylenes ND(O 4) 1 5 NA <br /> OPERATING EFFICIENCY 080ct. 96 11 Nov. 96 Dec. 96 <br /> Average inlet temperature (°F) 81 64 NA <br /> Average outlet temperature (°F) 1453 1418 NA <br /> Average inlet flow rate (scfm) 58 83 NA <br /> TPHg emission rate (lbs/day) 050 056 0 <br /> TPHg effluent permit limit 2 lbs/day <br /> TPHg destruction efficiency 97% 97% NA <br /> Benzene destruction efficiency 100% 100% NA <br /> Total TPHg removed this period 213 lbs <br /> Cumulative TPHg removed(3} 5,670 lbs <br /> % Operation this period 51% <br /> (1)Analyzed by BC Analytical Laboratory using modified DHS Method for TPHg and EPA Method 8020 for BTEX <br /> (2)Total Petroleum Hydrocarbons as Gasoline <br /> (3)Cumulative TPHg is based on TPHg removal since system startup by SECOR in January 1996 <br /> ND=Not Deu cted at or above the laboratory detection hmlt represented in parenthesis <br /> TES1sU.kton/chuwy496 thl <br />