313c implies that Though not mentioned by name and CAS number, this chemical is reportable beneath a number of in the EPCRA part 313 chemical categories. Cyanide poisoning is taken care of with unique antidotes and supportive medical care inside of a medical center environment or by trained emergency personnel. https://troyyuded.wikiconversation.com/6704249/how_much_you_need_to_expect_you_ll_pay_for_a_good_potassium_cyanide_hydrochloric_acid