Measurements, abbreviations, and acronyms used in this part are defined as follows: acfh--actual cubic feet per hour.atm--atmosphere.bbl--barrel.Btu--British thermal unit.
[deg]C--degree Celsius (centigrade).CEMS--continuous emission monitoring system.cfm--cubic feet per minute.cm--centimeter.dcf--dry cubic feet.DOE--Department of Energy.dscf--dry cubic feet at standard conditions.dscfh--dry cubic feet per hour at standard conditions.EIA--Energy Information Administration.eq--equivalent.[deg]F--degree Fahrenheit.fps--feet per second.gal--gallon.hr--hour.in--inch.[deg]K--degree Kelvin.kacfm--thousands of cubic feet per minute at actual conditions.kscfh--thousands of cubic feet per hour at standard conditions.Kwh--kilowatt hour.lb--pounds.m--meter.mmBtu--million Btu.min--minute.mol. wt.--molecular weight.MWe--megawatt electrical.MWge--gross megawatt electrical.NIST--National Institute of Standards and Technology.ppm--parts per million.psi--pounds per square inch.[deg]R--degree Rankine.RATA--relative accuracy test audit.scf--cubic feet at standard conditions.scfh--cubic feet per hour at standard conditions.sec--second.std--at standard conditions.CO2--carbon dioxide.NOX--nitrogen oxides.O2--oxygen.THC--total hydrocarbon content.SO2--sulfur dioxide. [58 FR 3650, Jan. 11, 1993, as amended at 64 FR 28588, May 26, 1999]