“Associated gas” or “produced gas” means a natural gas that is produced from gas wells or gas produced in association with the production of crude oil.
“Barrel” means a volume equal to 42 U.S. gallons.
"Best available data and methods" means ARB methods for emissions calculations set forth in this article where reasonably feasible; or facility fuel use and other facility process data used in conjunction with ARB provided emission factors and other data; or other generally accepted methods for calculating greenhouse gas emissions.
“Biomass” means non-fossilized and biodegradable organic material originating from plants, animals and micro-organisms, including products, byproducts, residues and waste from agriculture, forestry and related industries as well as the non-fossilized and biodegradable organic fractions of industrial and municipal wastes, including gases and liquids recovered from the decomposition of non-fossilized and biodegradable organic material.
“Biomass-derived fuels” or “biomass fuels” means fuels derived entirely from biomass.
“Bottom ash” means ash that collects at the bottom of a combustion chamber.
“Bottoming cycle plant” means a cogeneration facility in which the energy input to the system is first applied to a useful thermal energy application or process, and at least some of the reject heat emerging from the application or process is then used for power production.
“British Thermal Unit” or “Btu” means the quantity of heat required to raise the temperature of one pound of water by one degree Fahrenheit at about 39.2 degrees Fahrenheit.
“Busbar” means the power conduit of an electricity generating facility that serves as the starting point for the electricity transmission system.
“Butane” means a normally gaseous straight-chain or branch chain hydrocarbon extracted from natural gas or refinery fuel gas streams and is represented by the chemical formula C4H10. Butane includes normal butane and refinery-grade butane.
“Bypass dust” means discarded dust from the bypass system dedusting unit of suspension preheater, precalciner and grate preheater kilns, consisting of fully calcined kiln feed material.