nfpa diamond 704 1-2-4 acid sign, , isolate on white background label. eps10

124 704 acid alkaline ammonia blue caesium carbon chlorine dioxide code detonation diamond diesel fuel emergency fire flammability gas gasoline ghs hazard hazmat health helium label material n2 national nitroglycerin osha paper potassium chloride propane protection red safety sds sign sodium bromate special specifications standard sulfur symbol table tnt white yellow