313c indicates that Despite the fact that not shown by name and CAS number, this chemical is reportable below a number of of the EPCRA area 313 chemical categories. Smoking cigarettes cigarettes and respiration smoke-crammed air throughout fires are big resources of cyanide exposure. Potassium cyanide exposure might be lethal https://is-potassium-cyanide-pois92570.blogocial.com/potassium-cyanide-nfpa-for-dummies-65594953