Where
A = Duct cross-sectional area, (square meters [square feet]
Where
Ts = 289 K (520 R)
TS = 273 K (460 R)
H = Percent moisture-100
= 0.02
Where
E = Emissions of VOC per start for each test run (grams VOC/start [pounds VOC/start])
A = Hydrocarbon molecular weight
= 14.0268 grams per gram-mole (14.0268 pounds per pound-mole)
B = Carbon number
= 1
C = Average concentration for each duplicate run of total gaseous nonmethane organic compounds as CO2 (parts per million, from lab analysis sheet)
D = Sampling duration
= 25 minutes
d = Molar density of gas at standard conditions
= 42.33 gram-mole per cubic meter (0.0026353 pound-mole per cubic foot)
N = Normalized mass (0.9 kilograms [2 pounds])
M = Mass of charge (kilograms [pounds])
Where
ei = Average emissions of VOC per start from the charcoal lighter material being evaluated (grams VOC/start [pounds VOC/start] expressed as CH2)
eep = Average reference VOC emissions per start from the ignition by electric probe (grams VOC/start [pounds VOC/start] expressed as CH2)
= 0 grams VOC/start (0 pounds VOC/start) for treated or impregnated charcoal
Eb = Standard baseline VOC emissions per start from the ignition by electric probe (expressed as CH2)
= 0 grams VOC/start (0 pounds VOC/start) for treated or impregnated charcoal
= 3.6 grams VOC/start (0.008 pounds VOC/start) for all other charcoal lighter material
40 C.F.R. §59.208