Laserfiche WebLink
Fmm <br /> BU8$IIRPACE VAPOR 87Ci'RACY'I09 SY:i'1'ZK <br /> CALMLATIONa TO COWnMT PID AgADI19GS ° <br /> TO GASOLINE AMOVAL RATE <br /> The following calculations demonstrate how to convert a <br /> photo-ionization (FID) reading to a gasoline mass removal rate. <br /> I. Chemical Characteristics of Gasoline <br /> Gasolinel Average2 Aver.^9e2 <br /> Hydrocarbon composition (yi) Molecular Density (Di) <br /> Type (i) (Volumetric Fraction)* Weight (Mw,i) (lb/ftl) <br /> 31-paraff ins 0.114 77 40 <br /> iso 107 44 <br /> cycloparaffins 0.512 <br /> mono-olefins 0.090 70 38 <br /> aromatics 0.284 92 54 <br /> 45 <br /> Gasoline <br /> 3.000 96 <br /> aI. Molar Fraction <br /> �- KW9 <br /> Xi Dg x Mwx <br /> where <br /> Xi Molar fraction of hydrocarbon i {-} <br /> Yi w Volumetric fraction of hydrocarbon i {-) <br /> Di a density of hydrocarbon i (ib/ft3) <br /> Dg • density of gasoline (lb/ft3) <br /> l�Wi = molecular weight of hydrocarbon i {-} <br /> Kfg N molecular weight of gasoline {-) <br />