Material, Toxic 2 : Any material that may constitute a hazard to life or health, either temporary or permanent, from exposure by contact, inhalation, or ingestion
NFPA 901 Standard Classifications for Incident Reporting and Fire Protection Data, 2001 ed. https://www.nfpa.org/assets/files/AboutTheCodes/90 1/901-F2005-ROP.pdf (Std: Class for Incid Reporting and Fr Prot Data - Amer) {355 NFC}