Where:
MSCV,n = Theoretical total mass of EtO vented to controls per charge, g (lb)
Mcharge = total mass of sterilizer gas charge, g (lb)
%EOw = weight percent of EtO
Where:
MSCV,n = theoretical total mass of EtO sent to controls per charge
Qm = volumetric flow rate, liters per minute (L/min) corrected to 20 °C and 101.325 kilopascals (kPa) (scf per minute (scfm) corrected to 68 °F and 1 atmosphere of pressure (atm))
Tn = time duration of each charge, min
%EOv = volume fraction percent of EtO
n = number of EtO charges
MW = molecular weight of EtO, 44.05 grams per gram-mole (g/g-mole) (44.05 pounds per pound-mole (lb/lb-mole))
SV = standard volume, 24.05 liters per gram-mole (L/g-mole) at 20 °C and 101.325 kPa (385.1 scf per pound-mole (scf/lb-mole) at 68 °F and 1 atm).
Where:
f = Adjustment factor.
I = Mass of non-SCV EtO routed to control devices over the previous 30 operating days
MFac = Facility EtO use over the previous 30-operating days, in pounds, as determined in accordance with equation 11 of § 63.364(i)(2)
Where:
I = Mass of non-SCV EtO routed to control devices over the previous 30 operating days
Mc,i = The 30-operating day total mass sent to controls (i.e., monitoring data at the inlet of the control system) for each non-SCV emission stream, as calculated using equation A-3 and determined in accordance with appendix A to this subpart. The term "Mc,i" as used in this equation is equivalent to the term "E30day" as designated in equation A-3.
i = Non-SCV emission stream index.
n = Total number of non-SCV emission streams.
Where:
MSCV = Total mass of EtO sent to controls over the previous 30 operating days, g/hr (lb/hr)
f = Adjustment factor
MSCV,n = Theoretical mass of EtO sent to controls per charge per chamber, g (lb)
n = Total number of charges during the previous 30 operating days
Where:
MFac = Facility EtO use over the previous 30 operating days, in pounds.
mFac,i = Daily EtO use for operating day i, in pounds, as determined in accordance with paragraph (i)(1) of this section
i = Operating day index.
40 C.F.R. §63.364