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Renu tS•xywt for Air MMntan-y of <br /> Fxtemko Riot Vapor E6naction Test <br /> 4445 Pershing Avenue Stockton Callforrna <br /> BACKGROUND AND EQUIPMENT DESCRIPTION <br /> Upon receipt of the San Joaquin Valley Unified Air Pollution Control District's (SJVUAPCD) <br /> executed "Interim Variance/Variance Not to Exceed 90 Days Duration," Aegis personnel <br /> temporarily installed on site, on November 27, 1991, a Model V3 BACT sod venting <br /> engine, manufactured by VR Systems of Anaheim, California, with official start-up on <br /> December 5, 1991 The installation included a) manifolding the VEW to the IC unit <br /> (Figure 2), b) installation of an alternative energy source (propane), c) installation of <br /> security fencing, and d) safety notification <br /> Two VEW were installed by Aegis in July 1990 Well VEW-1 was installed to 24 5 feet <br /> below surface with the screened interval from 14 5 to 24 5 feet below surface Well <br /> VEW-2 was installed to 17 feet below surface with the screened interval from 7 to 17 feet <br /> below surface <br /> The V3 IC unit includes <br /> 1 One (1) Ford industrial IC engine, Model LSG-875, liquid-cooled V8, 460 <br /> cubic-inch displacement, 150 BHP <br /> 2 One (1) Car Sound 3-way/2-way catalytic converter <br /> 3 Computerized Stoichiometric Fuel Regulators, manufactured by VR <br /> Operation of the IC unit includes the following a) extraction of vapors from the ground <br /> using the engine manifold vacuum, b) combustion of vapors, as fuel, to run the engine, <br /> and c) passing the exhaust stream through the catalytic converter for final purification <br /> before emission through the exhaust stack The engine's operation is monitored and <br /> controlled by an on-board computer system that drives the master control unit The <br /> master control unit monitors and directs the air/fuel ratio for optimum combustion of TPH <br /> in the air stream and efficiency of the engine <br /> AIR MONITORING <br /> The monitoring of TPH concentrations in inflow to and exhaust from the V3 treatment unit <br /> consists of three (3) test periods of approximately 15 minutes each per day, performed <br /> 1 day per week On January 3, 7, 14, and 21, 1992, Aegis personnel monitored influent <br /> and effluent TPH concentrations for three 15-minute intervals Concentrations of TPH in <br /> the air streams were measured by a Foxboro 128 Century Model organic vapor analyzer <br /> The influent air to the V3 unit was drawn solely from well VEW-2, except for a 2-hour test <br /> performed on VEW-1 on January 14, 1992 <br /> 89.016)RPT 2- <br />