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Table 4 <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 Analyses m m <br /> Date (cfin) Location Number TPHG Benzene Toluene Eth lbenzene Xylenes <br /> 1/24/97 24 Influent P9702357-1 55,000 980 1400 200 890 <br /> Effluent P9702357-2 180 <0 16 <0 19 <0 22 <0 22 <br /> 2/20/97 49 Influent S970221-1 14,000 370 960 120 590 <br /> Effluent S970221-2 30 <0 50 <0 50 1 <0 50 <1 00 <br /> 3/20/97 25 Influent S9700501-1 14,000 190 950 120 770 <br /> Effluent S9700501-2 <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 /> 9/9197 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 59702207-1 7,000 34 160 92 960 <br /> Effluent S9702207-2 180 23 <0 4 <0 5 0 9 <br /> 11/24/97 37 Influent S9702473-1 5,000 90 56 56 620 <br /> Effluent S9702473-2 70 11 <0 4 <0 5 16 <br /> 12/19/97 30 Influent P9704516-1 8300 110 55 39 600 <br /> Effluent P9704516-2 270 13 <0 19 <0 22 052 <br /> 1/20/98 44 Influent 801-0664 4,900 89 340 520 400 <br /> Effluent 801-0665 110 0 89 032 0 052 10 <br /> 2/18/98 82 Influent 802-0441 4800 <0 25 11 17 340 <br /> Effluent 802-0442 36 0 11 014 0 063 0 89 <br /> 3/12/98 45 Influent 803-0576 19 <0 05 0 13 021 2 <br /> Effluent 803-0577 <10 <0 05 0 05 <0 05 009 <br /> <=Below detection limits used by laboratory <br /> Results in milligrams per cubic meter <br /> HG=Total petroleum hydrocarbons as gasohne <br /> fm=Cubic feet per minute <br /> IVR=Not requested <br /> h Iarco\sacto121680MRV XLS1Table 5 wm 6/17/98 <br />