Where:
E = Particulate matter emission rate, kilograms of particulate matter per megagram of roofing product manufactured.
MPM = Particulate matter mass emission rate, kilograms per hour, determined using Equation 2.
P = The asphalt roofing product manufacturing rate during the emissions sampling period, including any material trimmed from the final product, megagram per hour.
Where:
MPM = Particulate matter mass emission rate, kilograms per hour.
C = Concentration of particulate matter on a dry basis, grams per dry standard cubic meter (g/dscm), as measured by the test method specified in Table 3 to this subpart.
Q = Vent gas stream flow rate (dry standard cubic meters per minute) at a temperature of 20 °C as measured by the test method specified in Table 3 to this subpart.
K = Unit conversion constant (0.06 minute-kilogram/hour-gram).
Where:
RE = Emission reduction efficiency, percent.
MTHCi = Mass flow rate of total hydrocarbons entering the control device, kilograms per hour, determined using Equation 4.
MTHCo = Mass flow rate of total hydrocarbons exiting the control device, kilograms per hour, determined using Equation 4.
Where:
MTHC = Total hydrocarbon mass flow rate, kilograms per hour.
C = Concentration of total hydrocarbons on a dry basis, parts per million by volume (ppmv), as measured by the test method specified in Table 3 to this subpart.
Q = Vent gas stream flow rate (dscm/minute) at a temperature of 20 °C as measured by the test method specified in Table 3 to this subpart.
K = Unit conversion constant (1.10E-04 (ppmv)-1 (kilogram/dscm)(minute/hour)).
Where:
CE = Combustion efficiency, percent.
CO = Carbon monoxide concentration at the combustion device outlet, parts per million by volume (dry), as measured by the test method specified in Table 3 to this subpart.
CO2 = Carbon dioxide concentration at the combustion device outlet, parts per million by volume (dry), as measured by the test method specified in Table 3 to this subpart.
THC = Total hydrocarbon concentration at the combustion device outlet, parts per million by volume (dry), as measured by the test method specified in Table 3 to this subpart.
Where:
THC DE = THC destruction efficiency, percent.
CO = Carbon monoxide concentration at the combustion device outlet, parts per million by volume (dry), as measured by the test method specified in Table 3 to this subpart.
CO2 = Carbon dioxide concentration at the combustion device outlet, parts per million by volume (dry), as measured by the test method specified in Table 3 to this subpart.
THC = Total hydrocarbon concentration at the combustion device outlet, parts per million by volume (dry), as measured by the test method specified in Table 3 to this subpart.
40 C.F.R. §63.8687