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Table 4 <br /> Flow Rates and Results of Air Sample Analyses <br /> ARCO Service Station No. 2130 <br /> 7906 North EI Dorado Street, Stockton, California <br /> Sample Flow Rate Lab Sample Analvses(mg/m) <br /> Date Location (cfm) Number TPHG Benzene Toluene Ethylbenzene Xylenes <br /> 7/17/95 Influent 95 9501975 1800 27 130 21 100 <br /> Effluent 9501976 340 34 32 067 3 2 <br /> 8/29195 Influent 95 4600 88 620 120 750 <br /> Effluent 1 350 39 25 087 1 1 <br /> 9/22195 Influent 95 9503277 4600 61 520 86 900 <br /> Effluent 9503278 660 65 56 1 4 <br /> 1/24/96 Influent 18 S9600301-01 2,200 <3 15 3 25 <br /> Effluent 59600301-02 <60 <0 5 <0 5 <0 5 <0 5 <br /> 2/21196 Influent 64 S9600163-01 3,200 18 100 24 200 <br /> Effluent S9600163-02 210 <0 5 <0 5 <0 5 <0 5 <br /> 3/13/96 Influent 60 --- NR NR NR NR NR <br /> Effluent --- NR NR NR NR NR <br /> 6/18196 Influent 56 59600993-01 2,100 3 3 150 40 290 <br /> Effluent 59600993-02 38 <0 5 <0 5 <0 5 <1 0 <br /> 8/26/96 Influent 40 S9601406-01 3,300 <2 5 93 56 600 <br /> Effluent 59601406-02 35 <0 5 <0 5 <0 5 <1 0 <br /> 1214196 Influent 55 L9604797-1 3,600 ISO 350 55 390 <br /> Effluent L9604797-2 250 <0 5 <0 5 05 22 <br /> 3/20/97 Influent 38 59700500-1 2,500 370 7 8 190 340 <br /> Effluent 59700500-2 39 <0 4 <0 4 <0 5 <0 9 <br /> 6/30/97 Influent 44 59700500-1 4,000 12 180 61 690 <br /> Effluent 59700500-2 170 <0 4 <0 4 0 9 4 1 <br /> 9/30/97 Influent 43 S9700500-1 3,200 <0 4 180 65 620 <br /> Effluent 59700500-2 340 <0 4 2 1 16 6 3 <br /> 11/24/97 Influent 58 59702474-1 1,600 <0 8 140 53 320 <br /> Effluent S9702474-2 84 <0 4 0 8 1 0 5 18 <br /> <=Below detection limits used by laboratory <br /> Results in milligrams per cubic meter <br /> HG=Total petroleum hydrocarbons as gasoline <br /> cfm=Cubic feet per minute <br /> IINR=Not requested <br /> I <br /> N`xls108051I 14061061796M 1 xis <br /> Rev 0 1/8198 <br />