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i <br /> Table 4b: Vapor Extraction Pilot Test Pounds of Contaminants Removed <br /> City of Escalon-Former Arco Mini Mart <br /> ' 1350 Escalon Ave. <br /> Escalon, CA <br /> Influent Sampling <br /> Sample Time vapor conc, Air Flow Air Flow TPH-G TPH-G <br /> removal removal <br /> (mg/1) fpm (cfm) (lbs./day) (gal/day) <br /> VEW-1 18:10 32 1820 39.7 114 19 <br /> VEW-1 20:10 32 1900 41.5 119 20 <br /> VEW-2 17:55 17 2100 45.8 70 12 <br /> VEW-3 In 15:30 54 1260 27.5 133 22 <br /> VEW-4 13:30 51 1450 31.6 145 24 <br /> Effluent Sampling <br /> Sample Time vapor conc. TPN-G TPH-G <br /> emissions emissions <br /> (mg/1) (lbs./day) (gal/day) <br /> VEW 3 Out 15:38 0.73 NIA 27.5 1.8 10.3 <br /> 1 <br /> i <br /> L <br /> L� <br /> i <br />