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Vapor Extraction�eration Summary <br /> ARCO Service Station No 6100 <br /> 25775 S Patterson Pas, Tracy, CA <br /> Influent Effluent Vapor Hour Meter <br /> Influent Vapor Flow Rate Applied Vacuum Days During Period Cumulative Days <br /> Date Comments Temperature Flow Rate Reading Percent Uptfine <br /> acfm scfm (°F) cfm WC hours Total Days Uptime Days Total Days Uptime Days <br /> 04/04106 240 210 142 335 150 10 543 1 7 69 319 2136 99% <br /> 04111!06 10 22$ 140 348 156 10 709 5 7 69 326 2206 99% <br /> 04113!06 10 - 232 357 163 — - <br /> 04128/06 10 241 366 163 11 1222 17 172 343 2377 100% <br /> 05102/06 10 220 150 345 163 11 2166 4 39 347 2417 98% <br /> 05/23106 10 274 148 399 177 11 7174 21 209 368 2625 99% <br /> 06/06/06 10 - 283 148 408 231 12 057 3 14 142 382 2767 100% <br /> 06/26106 297 248 172 373 211 12 584 3 20 220 402 2987 100% <br /> Notes <br /> From March 2004 to November 2004 two 200 cfm King Buck &Associates SVE systems were operated at the site <br /> The current Solleco 500 cfm system was installed at the site to replace the King Buck&Associates SVE systems <br /> The current system was started up temporarily on May 16 2005 to collect samples to verify permit compl[ance <br /> On May 20 2005 the current system was started up for continuous operation <br /> acfm=actual cubic feet per minute <br /> scfm=standard cubsc feet per minute <br /> F=degrees Fahrenheit <br /> cfm=cubic feet per minute <br /> WC=Inches Water Column <br /> --=not measured not available or not applicable <br /> scfm=acfm"(460R+66°F)/(Influent Temperature(°F]+460R) <br /> Effluent Vapor Flow Rate=Influent flow rate+combustion air flow rate+propane consumption rate <br /> Combustion air Flow rate w 125 cfm(assumed constant) <br /> Propane consumption rate is assumed negligible <br /> 'System observed non functional due to low propane System shutdown pending propane re-fill <br /> 2 System re-started after re-filling with propane <br /> 3 System observed non functional due to low pressure System re started after troubleshooting the main gas valve control <br /> I <br /> °System shutdown due to potential bearing malfunction in the liquid nng blower <br /> 5 System restarted after replacsng liquid ring blower <br /> 6 System observed non functional probably to motor starter malfunction System restarted by resetting motor starter <br /> System shutdown due to low propane <br /> e System re started after propane re-fill <br /> 'System observed non-operating due to a low air pressure alarm System re started by adjusting au and propane flow rates <br /> °influent flow rate in scfm was read from the chart recorder <br /> I i <br /> I <br /> ARCO 6100 O&M Data Page 2 of 2 SECOR <br />