Where:
HT = Net heating value of the sample, megaJoules 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) (megaJoules per kilocalorie), where standard temperature for (gram-mole per standard cubic meter) is 20 °C.
Dj = Organic HAP concentration on a wet basis of compound j in parts per million, as measured by procedures indicated in paragraph (e) of this section. For process vents that pass through a final stream 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 of mercury.
Where:
E = Emission rate of 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.
n = Number of components in the sample.
CJ = Organic HAP concentration on a dry basis of organic compound j in parts per million as determined by the methods specified in paragraph (e) of this section.
Mj = Molecular weight of organic compound j, gram/gram-mole.
QS = Continuous process vent flow rate, dry standard cubic meter per minute, at a temperature of 20 °C.
Where:
TRE = TRE index value.
A, B, C = Coefficients presented in table 7 of this subpart.
EHAP = Emission rate of total organic HAP, kilograms per hour, as calculated according to paragraph (h) or (k) of this section.
QS = Continuous process vent volumetric 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 = Continuous process vent net heating value, megaJoules per standard cubic meter, as calculated according to paragraph (g) or (k) of this section.
40 C.F.R. §63.1412