where:
CTOC = Concentration of TOC (minus methane and ethane), dry basis, parts per million by volume.
Cji = Concentration of sample component j of the sample i, dry basis, parts per million by volume.
n = Number of components in the sample.
x = Number of samples in the sample run.
where:
HT = Net heating value of the sample, megaJoule per standard cubic meter, where the net enthalpy per mole of vent stream is based on combustion at 25 °C and 760 millimeters of mercury, but the standard temperature for determining the volume corresponding to one mole is 20 °C, as in the definition of Qs (vent stream flow rate).
Kl = Constant, 1.740 * 10-7 (parts per million)-1 (gram-mole per standard cubic meter) (megaJoule per kilocalorie), where standard temperature for (gram-mole per standard cubic meter) is 20 °C.
Bws = Water vapor content of the vent stream, proportion by volume; except that if the vent stream passes through a final steam jet and is not condensed, it shall be assumed that Bws = 0.023 in order to correct to 2.3 percent moisture.
Cj = Concentration on a dry basis of compound j in parts per million, as measured for all organic compounds by Method 18 of 40 CFR part 60, appendix A and measured for hydrogen and carbon monoxide by American Society for Testing and Materials D1946-77 as indicated in paragraph (d)(2)(ii) of this section.
Hj = Net heat of combustion of compound j, kilocalorie per gram-mole, based on combustion at 25 °C and 760 millimeters mercury. The heats of combustion of vent stream components shall be determined using American Society for Testing and Materials D2382-76 if published values are not available or cannot be calculated.
where:
E = Emission rate of TOC (minus methane and ethane) or emission rate of total organic HAP in the sample, kilograms per hour.
K2 = Constant, 2.494 * 10-6 (parts per million)-1 (gram-mole per standard cubic meter) (kilogram/gram) (minutes/hour), where standard temperature for (gram-mole per standard cubic meter) is 20 °C.
Cj = Concentration on a dry basis of organic compound j in parts per million as measured by Method 18 of 40 CFR part 60, appendix A as indicated in paragraph (d)(2)(ii) of this section. If the TOC emission rate is being calculated, Cj includes all organic compounds measured minus methane and ethane; if the total organic HAP emission rate is being calculated, only organic HAP compounds listed in table 2 in subpart F of this part are included.
Mj = Molecular weight of organic compound j, gram/gram-mole.
Qs = Vent stream flow rate, dry standard cubic meter per minute, at a temperature of 20 °C.
where:
E = mass of halogen atoms, dry basis, kilogram per hour.
K2 = Constant, 2.494 * 10-6 (parts per million)-1 (kilogram-mole per standard cubic meter) (minute/hour), where standard temperature is 20 °C.
Cj = Concentration of halogenated compound j in the gas stream, dry basis, parts per million by volume.
Mji = Molecular weight of halogen atom i in compound j of the gas stream, kilogram per kilogram-mole.
Lji = Number of atoms of halogen i in compound j of the gas stream.
Q = Flow rate of gas stream, dry standard cubic meters per minute, determined according to paragraph (d)(1) or (d)(2)(i) of this section.
j = Halogenated compound j in the gas stream.
i = Halogen atom i in compound j of the gas stream.
n = Number of halogenated compounds j in the gas stream.
m = Number of different halogens i in each compound j of the gas stream.
where:
TRE = TRE index value.
EHAP = Hourly emission rate of total organic HAP, kilograms per hour, as calculated in paragraph (d)(1) or (d)(2)(iv) of this section.
Qs = Vent stream flow rate, standard cubic meters per minute, at a standard temperature of 20 °C, as calculated in paragraph (d)(1) or (d)(2)(i) of this section.
HT = Vent stream net heating value, megaJoules per standard cubic meter, as calculated in paragraph (d)(1) or (d)(2)(iii) of this section.
ETOC = Emission rate of TOC (minus methane and ethane), kilograms per hour, as calculated in paragraph (d)(1) or (d)(2)(iv) of this section.
a,b,c,d = Coefficients presented in table 1 of this subpart, selected in accordance with paragraphs (d)(3)(ii) and (iii) of this section.
EQUATION 6 TO PARAGRAPH (G)(3)(II)
Where:
EHAP = Emission rate of total organic HAP, lb/hr.
K = 1.675 * 10-7 (parts per million)-1 (lb-mole per standard cubic feet) (minutes per hour), where standard temperature is 68 °F (20 °C).
Q = Flowrate of gas stream, dry standard cubic feet per minute), where standard temperature is 68 °F (20 °C), determined using Method 2, 2A, 2C, or 2D of 40 CFR part 60, appendix A, as appropriate. The flowrate may be based solely on an engineering assessment if measurements cannot be made with EPA reference methods.
Cj = Concentration of organic compound j in the gas stream as measured by Method 18 of appendix A-6 to 40 CFR part 60, Method 320 of appendix A to this part, or ASTM D6420-18 (incorporated by reference, see § 63.14 ), ppmv dry basis. The concentration may be based solely on an engineering assessment if measurements cannot be made with EPA reference methods.
Mi = Molecular weight of organic compound j, lb/lb-mole.
j = Individual organic HAP compound in the gas stream. The list of organic HAPs is provided in table 2 of subpart F of this part.
n = Number of organic HAP compounds j in the gas stream.
EQUATION 7 TO PARAGRAPH (G)(4)(IV)
Where:
ETOC = Emission rate of TOC, lb/hr.
K = 1.675 * 10-7 (parts per million)-1 (lb-mole per standard cubic feet) (minutes per hour), where standard temperature is 68 °F (20 °C).
C = Concentration of TOC in the gas stream as measured by Method 25A of appendix A to part 60 of this chapter ppmv dry basis. The concentration may be based solely on an engineering assessment if measurements cannot be made with EPA reference methods.
M = Molecular weight of the organic HAP used as the calibration gas, lb/lb-mole.
Q = Flowrate of gas stream, dry standard cubic feet per minute), where standard temperature is 68 °F (20 °C), determined using Method 2, 2A, 2C, or 2D of appendix A-1 to part 60 of this chapter, as appropriate. The flowrate may be based solely on an engineering assessment if measurements cannot be made with EPA reference methods.
40 C.F.R. §63.115