Filth and Foreign Matter

Filth and extraneous material includes any objectionable substance in foods, such as foreign matter (for example, glass, metal, plastic, wood, stones, sand, cigarette butts), undesirable parts of the raw plant material (stems, pits in pitted olives, pieces of shell in canned oysters), and filth (mould, rot, insect and rodent parts, excreta, etc.).