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• Table 1 <br /> Flow Rates and Analytical Results of Air Samples <br /> Former ARCO Service Station No. 2168 <br /> 441 West Charter Way, Stockton, California <br /> Flow Rate Sample Lab Sample Anal ses(mgJm3 <br /> Date (cfm) Location Number TPHG Benzene Toluene Eth (benzene X lenes <br /> 1/24/97 24 Influent P9702357-1 55,000 980 1400 200 890 <br /> Effluent P9702357-2 180 <0.16 <O.19 <0.22 <0.22 <br /> 2/20/97 49 Influent 5970221-1 14,000 370 960 120 590 <br /> Effluent 5970221-2 30 <0.50 <0.50 <0.50 <1.00 <br /> 3/20/97 25 Influent 59700501-1 14,000 190 950 120 770 <br /> Effluent 59700501-2 <20.00 <0.40 <0.40 <0.50 <0.90 <br /> 4/16/97 35 Influent 59700685-2 11,000 50 880 200 1300 <br /> Effluent 59700685-2 <20.00 <0.40 <0.40 <0.50 <0.90 <br /> 9/9/97 34 Influent S9701747-1 17,000 34 190 180 1800 <br /> Effluent 59701747-2 <250.0 <50.0 <50.0 <50.0 <150.0 <br /> 10/28/97 37 Influent S9702207-1 7,000 34 160 92 960 <br /> Effluent S9702207-2 180 2.3 <0.4 <0.5 0.9 <br /> 11/24/97 37 Influent 59702473-1 5,000 9.0 56 56 620 <br /> Effluent 59702473-2 70 1.1 <0.4 <0.5 1.6 <br /> • 12/19/97 30 Influent P9704516-1 8300 11.0 55 39 600 <br /> Effluent P9704516-2 270 1.3 <0.19 <0.22 0.52 <br /> 1/20/98 50 Influent 801-0664 4,900 8.9 34.0 52.0 400 <br /> Effluent 8010665 110 0.89 0.32 0.052 1.0 <br /> 2/18/98 84 Influent 802-0441 4800 <0.25 11 17 340 <br /> Effluent 802-0442 36 0.11 0.14 0.063 0.89 <br /> <=Below detection limits used by laboratory. <br /> Results in milligrams per cubic meter. <br /> PHO=Total petroleum hydrocarbons as gasoline. <br /> fm=Cubic feet per minute. <br /> NR=Not requested. <br /> • <br /> NAxls\0805511406\061796M1.xls Rev.0. 4/14/98 <br />