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Table 2. Soil Vapor Extraction and Treatment System Effluent Data <br /> ARCO Station 2133,Stockton, California <br /> TPH as Gasoline Benzene <br /> Total System <br /> Effluent Destruction Effluent DeSwcnan <br /> Pre-Catalyst Post-Catalyst Manifold Flow Flow Rate Concentration Erm"ion Rate Efficiency Concentration Tans+tion Rete EMCILncy <br /> Date Sampled Tem (°F) Tem (°F) Rate(cfm) (cfm) (ppmv) {Ibslday) (percent) (ppmv) pbdday) (percent) <br /> 1111195 748 780 100 100 1100 0411048 98% 008 000 95 41% <br /> 219!95 701 782 60 60 12000 2690496 75% 027 000 9400% <br /> 3128195 753 771 60 60 071 0015918768 100% 000 000 9984% <br /> 414195 758 754 60 60 2 10 004708368 99% 000 000 9979% <br /> 513195 653 726 80 80 5600 1 6740864 88% 032 001 9733% <br /> 5/15/95 644 712 80 80 830 024812352 98% 005 000 9942% <br /> 6112195 745 775 80 80 140 004185216 99% 000 000 9994% <br /> 7/8/95 744 777 100 100 1 90 00709992 99% 000 000 9375% <br /> 8/22/95 744 777 90 90 190 006389928 100% 000 000 10000% <br /> 9119/95 752 838 100 90 570 02129976 99% 002 000 10000% <br /> 10/23/95 754 773 85 85 1 40 004446792 99% 002 000 10000% <br /> 11/15/95 756 752 90 90 140 004708368 99% 0 02 000 9966% <br /> 12/15/95 744 697 100 100 140 00523152 95% NA NA NA <br /> 1126196 745 728 90 90 960 032285952 92% 000 NA NA <br /> 2/14/96 750 802 85 85 250 0079407 98% 000 NA NA <br /> 3/27/96 750 680 85 85 1000 0317628 90% 000 NA NA <br /> TPII—Total Purgable Hydrocarbons <br /> cfm-Cubic feel per minute <br /> ppmv-Pam per million by volumne <br /> NIA-Not avaddble or not appltcable <br /> ND-Not duetted <br /> Emission rates for values reported i%IND are calculated using the detection limit <br /> (E 1ARCOSM%Workeopy161961VES2t33XLW) <br />