Memory Game GHS SymbolsOnline version A game to help aid in learning the GHS symbols. by Andrew Guertler Gas Under Pressure Environmental Hazard Explosive Irritant (minor health dangers such as irritants and minor toxins) Oxidizer (chemicals that act like oxygen and are highly reactive, likely to cause fire) Corrosive Health Hazard (dangerous short term or prolonged health problems) Flammable (Can catch fire) Acutely Toxic (Severe health impacts even in small amounts over short time, deadly)