Tire Chip : A classified scrap tire particle that has a basic geometrical shape, which is generally 2 in. (51 mm) or smaller and has most of the wire removed
NFPA 230 Standard for the Fire Protection of Storage 1999 ed. http://www.nfpa.org/assets/files/aboutthecodes/230 /230-f2002-rop.pdf, (Std: Fr Prac of Storage - Amer) {267 NFC}