Where:
Eh= Total organic mass flow rate, kg/h;
Q2sd= Volumetric flow rate of gases entering or exiting control device, as determined by Method 2, dscm/h;
n = Number of organic compounds in the vent gas;
Ci= Organic concentration in ppm, dry basis, of compound i in the vent gas, as determined by Method 18;
MWi= Molecular weight of organic compound i in the vent gas, kg/kg-mol;
0.0416 = Conversion factor for molar volume, kg-mol/m3 (@293 K and 760 mm Hg);
10-6 = Conversion from ppm
Eh= (Q)(C)(MW)(0.0416)(10-6)
Where:
Eh= Total organic mass flow rate, kg/h;
Q = Volumetric flow rate of gases entering or exiting control device, as determined by Method 2, dscm/h;
C = Organic concentration in ppm, dry basis, as determined by Method 25A;
MW = Molecular weight of propane, 44;
0.0416 = Conversion factor for molar volume, kg-mol/m3 (@293 K and 760 mm Hg);
10-6 = Conversion from ppm.
EA = (Eh)(H)
Where:
EA = Total organic mass emission rate, kg/y;
Eh = Total organic mass flow rate for the process vent, kg/h;
H = Total annual hours of operations for the affected unit, h.
40 C.F.R. §261.1034