Bark, slabs, splinters, wood shavings, saw dust, wood dust and slurry, timber and demolition wood, chipboard waste, old furniture, pieces of impregnated wood (masts, thresholds and so on), wood packaging, as well as pieces of wood with harmful contaminations are referred to as “waste wood and leftovers resulting from the treatment and processing of wood”. They come from sawmills, joineries, the paper and pulp industry, the furniture and wood material industry, the construction industry, agriculture and forestry, landscape gardening, as well as private households. Waste wood is utilized thermally or recycled in the wood material industry. (BAWP 2017)