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 process vent is based on combustion at 25 °C and 760 millimeters of mercury, but the standard temperature for determining the volume corresponding to 1 mole is 20 °C, as in the definition of Qs (process vent volumetric flow rate).
K1 = 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.
Dj = Concentration on a wet basis of compound j in parts per million, as measured by procedures indicated in paragraph (e)(2) of this section. For process vents that pass through a final steam jet and are not condensed, the moisture is assumed to be 2.3 percent by volume.
Hj = Net heat of combustion of compound j, kilocalorie per gram-mole, based on combustion at 25 °C and 760 millimeters mercury.
Where:
E = Emission rate of TOC (minus methane and ethane) (ETOC) or emission rate of the regulated organic HAP or total organic HAP (EHAP) 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.
n = Number of components in the sample.
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 (e) 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 are included; if the regulated organic HAP emission rate is being calculated, only regulated organic HAP compounds are included.
Mj = Molecular weight of organic compound j, gram/gram-mole.
Qs = Process vent 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 per hour), where standard temperature is 20 °C.
Q = Flow rate of gas stream, dry standard cubic meters per minute, determined according to paragraph (f)(1) or (f)(2) of this section.
n = Number of halogenated compounds j in the gas stream.
j = Halogenated compound j in the gas stream.
m = Number of different halogens i in each compound j of the gas stream.
i = Halogen atom i in compound j of the gas stream.
Cj = Concentration of halogenated compound j in the gas stream, dry basis, parts per million by volume.
Lji = Number of atoms of halogen i in compound j of the gas stream.
Mji = Molecular weight of halogen atom i in compound j of the gas stream, kilogram per kilogram-mole.
TRE = 1/EHAP*[A + B(QS) + C(HT) + D(ETOC)] [Eq. 5]
Where:
TRE = TRE index value.
A, B, C, D = Coefficients presented in table 1 of this section.
EHAP = Emission rate of total organic HAP, kilograms per hour, as calculated according to paragraph (h) or (k) of this section.
QS = process vent flow rate, standard cubic meters per minute, at a standard temperature of 20 °C, as calculated according to paragraph (f) or (k) of this section.
HT = process vent net heating value, megaJoules per standard cubic meter, as calculated according to paragraph (g) or (k) of this section.
ETOC = Emission rate of TOC (minus methane and ethane), kilograms per hour, as calculated according to paragraph (h) or (k) of this section.
Table 1 of § 63.1104(j)(1) -Coefficients for Total Resource Effectivenessa
Existing or new? | Halogenated vent stream? | Control device basis | Values of coefficients | |||
A | B | C | D | |||
Existing | Yes | Thermal Incinerator and Scrubber | 3.995 | 5.200 * 10-2 | -1.769 * 10-3 | 9.700 * 10-4 |
No | Flare | 1.935 | 3.660 * 10-1 | -7.687 * 10-3 | -7.333 * 10-4 | |
Thermal Incinerator 0 Percent Recovery | 1.492 | 6.267 * 10-2 | 3.177 * 10-2 | -1.159 * 10-3 | ||
Thermal Incinerator 70 Percent Recovery | 2.519 | 1.183 * 10-2 | 1.300 * 10-2 | 4.790 * 10-2 | ||
New | Yes | Thermal Incinerator and Scrubber | 1.0895 | 1.417 * 10-2 | -4.822 * 10-4 | 2.645 * 10-4 |
No | Flare | 5.276 * 10-1 | 9.98 * 10-2 | -2.096 * 10-3 | 2.000 * 10-4 | |
Therman Incinerator 0 Percent Recovery | 4.068 * 10-1 | 1.71 * 10-2 | 8.664 * 10-3 | -3.162 * 10-4 | ||
Thermal Incinerator 70 Percent Recovery | 6.868 * 10-1 | 3.209 * 10-3 | 3.546 * 10-3 | 1.306 * 10-2 |
a Use according to procedures outlined in this section.
MJ/scm = Mega Joules per standard cubic meter.
scm/min = Standard cubic meters per minute.
40 C.F.R. §63.1104