Measurements, abbreviations and acronyms used in this rule are defined as follows:
Btu -- British thermal unit.
CO2 -- carbon dioxide.
NOX -- nitrogen oxides.
Hg -- mercury.
hr -- hour.
kW-- kilowatt electrical.
kWh -- kilowatt hour.
mmBtu -- million Btu.
MWe -- megawatt electrical.
MWh -- megawatt hour.
O2 -- oxygen.
ppm -- parts per million.
lb -- pound.
scfh -- standard cubic feet per hour.
SO2 -- sulfur dioxide.
H2O -- water.
yr -- year.
W. Va. Code R. § 45-39-3