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F'� <br /> BEST ENVIRONMENTAL, INC. San Leandro, CA(510) 278 4011 <br /> BEST ENVIRONMENTAL, INC <br /> STACK GAS FLOW RATE DETERMINATION -- PITOT TRAVERSE <br /> Facility Texaco Charter Way <br /> Unit Soil Remediation Unit- Outlet <br /> Condition - <br /> Date 8-28-95 <br /> Time 1340 <br /> Run 1 Run 2 Run 3 <br /> 1 Temperature of Stack(Ts) 1430 OF <br /> 2 Std Temperature (Tstd) 6000 OF <br /> 3 Square Root of Delta P (SART Delta P) 05233 "H2O <br />`- 4 Barometric Pressure (Pb) 3006 "Hg <br /> 5 Static Pressure (Pstatic) 015 "H2O <br /> 6 Stack Pressure (Ps) 3007 "H2O <br /> 7 Stack Gas <br /> Moisture (H2O) M W= 18 400 % <br /> Oxygen (02) M W= 32 1270 % <br /> r Carbon Dioxide (CO2) M W= 44 440 % <br /> i <br /> I Carbon Monoxide (CO) M W= 28 000 % <br /> Other VOLS M W= 100 000 % <br /> Nitrogen (N2) M W= 28 829 % <br /> 8 Mal Weight of Stack Gas (MWs) 2876 g/g-mol <br /> 9 Area of Stack(As) 04-418 ft2 <br /> 10 Pitot Tube Factor(Cp) 099 <br /> Stack Gas Velocity 65.47 ft/S <br /> Actual Flow Rate 1,735 ACFM <br /> Standard Flow Rate 461 DSCFM <br /> WHERE: <br /> Bws= % Moisture/ 100 <br /> MWs= Molecular Weight of Stack Gas (wet-basis) <br /> MWd = Molecular Weight of Stack Gas (dry-basis) <br /> Delta P= Pitot Differential Pressure <br /> CALCULATIONS: <br /> MWs= MWd *(1-13ws) + 18 (Bws) <br /> MWd = 44(0/.CO2) + 32(%02) + 28(%CO+%N2) + (%Other*M W/100) <br /> Ps = (Pstatic 113 6) + Pb <br /> Vs= 85 49*CP * SQRT Delta P *SQRT((Ts+ 460) / (Ps x MWs)) <br /> ACFM = 60*Vs*As <br />. DSCFM =60 (1-Bwo) *Vs*As*(Tstd +460)/(Ts+ 460) *(Ps/29 92) <br />