Where:
E = Emission rate of nonmethane TOC in the vent stream, kilograms-C per hour;
K4 = Constant, 6.0 * 10-5 (kilograms per milligram)(minutes per hour);
Mc = Mass concentration of total gaseous nonmethane organic (as carbon) as measured and calculated using Method 25 in appendix A to part 60 of this chapter, mg/dscm; and
Qs = Vent stream flow rate, dscm/min, at a temperature of 20 degrees Celsius (C).
Where:
K5 = Constant, 1.8 * 10-4 (parts per million)-1 (gram-mole per standard cubic meter) (gram-C per gram-mole-hexane) (kilogram per gram) (minutes per hour), where the standard temperature (standard cubic meter) is at 20 degrees C (uses 72g-C/g.mole hexane);
CTOC = Concentration of TOC on a dry basis in ppmv as hexane as measured by Method 25A in appendix A to part 60 of this chapter;
Cmethane = Concentration of methane on a dry basis in ppmv as measured by Method 18 in appendix A to part 60 of this chapter. If the concentration of methane is not determined, assume Cmethane equals zero; and
Qs = Vent stream flow rate, dry standard cubic meters per minute, at a temperature of 20 degrees C.
Where:
Ei = Mass emission rate of TOC at control device inlet, kg/hr; and
Eo = Mass emission rate of TOC at control device outlet, kg/hr.
Where:
CNMTOC, 3%O2 = Concentration of nonmethane TOC on a dry basis in ppmv as hexane corrected to 3 percent oxygen.
40 C.F.R. §63.1566