California Code
ARTICLE 1 - Definitions and General Provisions
Section 4414.5.

4414.5. “Residue” means flammable wood fiber byproducts or waste, including, but not limited to, sawdust, bark, chips, slabs, trimmings, and hogged particles from a sawmill or plant engaged in processing or converting forest products into lumber, shook, ties, poles, posts, veneer, shakes, shingles, and planed or milled products.

(Added by Stats. 1982, Ch. 1333, Sec. 12.)