Where:
EX = Emissions of each cover gas or carrier gas, X, in metric tons over the reporting year.
IB,x = Inventory of each cover gas or carrier gas stored in cylinders or other containers at the beginning of the year, including heels, in kg.
IE,x = Inventory of each cover gas or carrier gas stored in cylinders or other containers at the end of the year, including heels, in kg.
AX = Acquisitions of each cover gas or carrier gas during the year through purchases or other transactions, including heels in cylinders or other containers returned to the magnesium production or processing facility, in kg.
DX = Disbursements of each cover gas or carrier gas to sources and locations outside the facility through sales or other transactions during the year, including heels in cylinders or other containers returned by the magnesium production or processing facility to the gas supplier, in kg.
0.001 = Conversion factor from kg to metric tons
X = Each cover gas or carrier gas that is a GHG.
Where:
EGHG = Emissions of each cover gas or carrier gas, X, over the reporting year (metric tons).
Qp = The mass of the cover or carrier gas consumed (kg) over the container-use period p, from Equation T-3 of this section.
n = The number of container-use periods in the year.
0.001 = Conversion factor from kg to metric tons.
X = Each cover gas or carrier gas that is a GHG.
Where:
Qp = The mass of the cover or carrier gas consumed (kg) over the container-use period p (e.g., one month).
MB = The mass of the container's contents (kg) at the beginning of period p.
ME = The mass of the container's contents (kg) at the end of period p.
40 C.F.R. §98.203