After the implementation of the UN GHS in 2003, many countries and regions worldwide followed suit. The year of 2015 witnessed a remarkable boom of GHS implementation worldwide. In the U.S., the revised Hazard Communication Standard (HCS) came into force on 1 June, 2015, requiring all the manufacturers, importers, distributors and end users in the supply chain to fulfill their due obligations for GHS compliance. In Canada, the final Hazardous Products Regulation (HPR) was issued on 11 February, 2015 and took effect from 1 June, 2015, demanding a full implementation of GHS in workplaces. In the EU, the Classification, Labeling and Packaging (CLP) Regulation became the only legislation to apply to the classification and labeling of both substances and mixtures from 1 June, 2015. Besides, the UN issued the 6th revised edition of GHS, with hazard classifications increased from 28 to 29 and desensitized explosives added to physical hazards. At…