Globally Harmonized System of classification and labelling of chemicals. This is a UN scheme aiming to have, worldwide, the same criteria for; classifying chemicals according to their health, environmental and physical hazards; and hazard communication requirements for labelling and safety data sheets. The GHS is not a formal treaty, but instead is a non-legally binding international agreement. Therefore countries (or trading blocks) must create local or national legislation to implement the GHS.


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