313c implies that although not stated by name and CAS number, this chemical is reportable beneath one or more from the EPCRA segment 313 chemical types. Initial uncovered in 1786 by Scheele, who extracted it from the dye Prussian blue – and immediately died from exposure towards the vapours Fires: https://potassiumcyanidesolution38148.madmouseblog.com/10149588/top-potassium-cyanide-vs-arsenic-secrets