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TABLE 4 FLOW RATES AND ANALYTICAL RESULTS OF AIR SAMPLE ANALYSIS . USA Gasoline Station 65 2500 West Lodi Avenue Lodi,California Date Flowrate* Vacuum Sample Lab Sample Anal ses (mg/m') cfm "WC Location Number TPHG Benzene Toluene Eth (benzene Xylenes 70/20/2004 43.65 13.6 tinfluent 4102102-01A 17,000 14 <10 <10 <15 catox-inf 4102102-02A 5,300 4.4 <2.5 <2.5 <2.5 effluent 4102102-03A <12 <0.12 <0.12 <0.12 <0.12 11/4/2004 89.0 40.8 tinfluent 4110528-OIA 21 <0.12 <0.12 <0.12 <0.12 catox-inf 4110528-02A 22 <0.12 <0.12 <0.12 <0.12 effluent 4110527-OIA <25 <0.25 <0.25 <0.25 <0.25 12/9/2004 80.0 NM tinfluent 4121061-01A 56 <0.15 <0.15 <0.15 5.7 catox-inf 4121061-02A 44 <0.15 <0.15 <0.15 5.6 effluent 4121060-OIA <15 <0.15 <0.15 <0.15 <0.15 1/13/2005 87.3 NM tinfluent 5011444-OIA <50 <0.50 <0.50 <0.50 3.6 catox-inf 5011444-02A 31 <0.15 <0.15 <0.15 3.8 effluent 5011444-03A <12 <0.12 <0.12 <0.12 <0.12 2/8/2005 87.3 54.4 tinfluent 5020902-OIA 20 <0.15 <0.15 <0.15 2.4 catox-inf 5020902-02A 29 <0.15 <0.15 <0.15 3.59 effluent 5020901-OIA <15 <0.15 <0.15 <0.15 <0.15 3/3/2005 98.2 95.2 tinfluent 5030421-01A 40 <0.15 <0.15 <0.15 3.5 catox-inf 5030421-02A 44 <0.15 <0.15 <0.15 4.3 effluent 5030422-OIA <15 <0.15 <0.15 <0.15 <0.15 4/5/2005 30 NM tinfluent 5040621-OIA 16 <0.15 <0.15 <0.15 0.30 catox-inf 5040621-02A <15 <0.15 <0.15 <0.15 0.15 . effluent 5040620-OIA <12 <0.12 <0.12 <0.12 <0.12 5/11/2005 98 30 tinfluent 5051202-01A <15 <0.15 <0.15 <0.15 <0.15 catox-inf 5051202-02A <15 <0.15 <0.15 <0.15 <0.I5 effluent 5051201-OIA <15 <0.15 <0.15 <0.15 <0.15 WC=inches of water column. S=Not Sampled Results in milligrams per cubic meter *=Flow rates are averages between sampling events(before dilution air) [1}The measured concentration is probably somewhat less than the true value because the analysis was inadvertently allowed to exceed the measurement range. t1SA_65_Quar1er[y_o&M Page 3 of 3 5MAM5