![]() ![]() This inverse rating system has created some concern, however OSHA has indicated that the GHS numbers are for hazard classification purposes and do not reflect the rating of the hazard itself.Īdditionally, the GHS number will not be required on labels. It’s important to note, the HazCom 2012 categories are similar yet contradictory to the HMIS/NFPA ratings: GHS 1 – 4 rating system ranks 4 as the least severe while NFPA’s rank 4 is most severe. HazCom 2012 provides specific criteria to address physical hazards, health hazards and the classification of chemical mixtures. ![]() There are 16 physical hazards and 10 health hazards: each hazard is then further divided according to different severity levels.Ĭhemical manufacturers, importers, and distributors are required to classify their chemicals using the updated HazCom 2012. breathing or vision) while physical hazards cause damage to the body (like skin corrosion). Health hazards present dangers to human health (i.e. GHS uses three hazard classes: Health Hazards, Physical Hazards and Environmental Hazards. You may instead consult scientific literature to assess whether your chemical meets the OSHA definition of a hazardous chemical. Note: You are not required to test chemicals for the purpose of hazard classification.
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