obtained as lops and pops from forest harvesting as dead wood, fallen branches, twigs, as byproducts of wood-based industries or as surplus of noncommercial wood derived from land clearing to be used as fuel
Branches, twigs, logs, wood chips, and other wood products harvested for use as fuel
Wood salvaged from mill waste, cull logs, and branches; used to fuel fires in a boiler or furnace (12)
Roundwood products and mill residue byproducts used to produce some form of energy (heat, steam, etc ) in residential, industrial, or institutional settings
Wood and wood products, possibly including coppices, scrubs, branches, etc , bought or gathered, and used by direct combustion