References in periodicals archive ?
Scott Dominguez, an Evergreen Resources employee, was overcome by hydrogen cyanide gas while cleaning the tank and sustained permanent brain damage as a result of cyanide poisoning.
Polystyrene tiles on the ceiling were starting to melt and release toxic hydrogen cyanide gas, most of which escaped through the broken window.
Police discovered a simple binary weapon system that prior to mixing, contained the needed precursors for hydrogen cyanide gas.