Wood dust.

A lightto dark-colored granular solid mixture that is generated when timber is processed, such as when it is chipped, sawed, turned, drilled or sanded. T he chemical composition of wood dust depends on the species of tree and consists mainly of cellulose, polyoses and lignin, with a large and variable number of substances with lower relative molecular mass. Wood dust is not typically produced for specific uses. However, it is used commercially for wood composts. T he primary routes of potential human exposure to wood dust are inhalation and dermal contact. It is known to be a human carcinogen. (NCI05) Qeios · Definition, February 7, 2020