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