Book traversal links for GHS Pictograms ‹ Hazard Communication/Globally Harmonized System Up Safety Data Sheets (SDS) › As of June 1, 2015, OSHA requires GHS pictograms on labels to alert users of the chemical hazards to which they may be exposed. Click on the image below or the Resources links for more information on GHS pictograms. GHS Pictograms Book traversal links for GHS Pictograms ‹ Hazard Communication/Globally Harmonized System Up Safety Data Sheets (SDS) › Resources Know Your Hazard SymbolsOSHA's Label and Pictogram BriefOSHA Pictograms and Hazards