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Table 2. Summary of Soil Vapor Extraction and Treatment System Effluent Data , <br /> ARCO Station 2093, Tracy, CA <br /> Fil as Ciasoline enzeRe <br /> Pre-Catal t Post-Catalyst st Effluent Destruction Effluent Destruction <br /> }+� y Manifold Flow Total System Concentration Emission Rale Efficiency Concentration Emission Rate Efficiency <br /> Date Tem OF Tem (OF Rate(cfm Flow Rate(cfm} (ppmv) Obs(day) (percer 0 (ppmv) (lbs/day) (percent) <br /> 1/4/96 608 870 95 95 34 1.21 98% NA NA NA <br /> 1/26/96 655 856 95 95 47.3 1.68 95% NA NA NA <br /> 2/26/96 590 904 45 75 25 0.70 96% NA NA NA <br /> 3/27/96 547 910 45 75 25 0.70 96% NA NA NA <br /> TPH=Total Purgeable Hydrocarbons <br /> cfm=Cubic feet per minute <br /> ppmv—Paris per million by valumne <br /> NIA=Not available or not applicable <br /> ND=Not detected <br /> Emission rates for values reported as ND are calculated using the detection limit. <br /> IEAARC0$WW-kcopy1619thV ES2093.%LW 1 <br />