Hazard Communication Hazard Communication Menu Workers' Rights Hazcom Home Safety Data Sheets Safety Data Sheets QuickCard™ SDS QuickCard™ Spanish Safety Data Sheets Brief Labeling Label QuickCard™ Label QuickCard™ Spanish Label and Pictogram Brief NFPA OSHA Label Comparison QuickCard™ Pictograms Pictogram QuickCard™ Pictogram QuickCard™ Spanish Downloadable Pictograms OSHA Brief Label and Pictogram Interpretations Letter of Interpretation: Classification of Combustible Dusts under the Revised Hazard Communication Standard. [1910.1200; 1910.1200(d)] Letters of Interpretation for HazCom 2012 Complete Listing of HazCom LOIs - 1910.1200 Letters of Interpretation for all OSHA Standards Standards Guidance International Public Meeting and Docket for UN Papers US - Canada Regulatory Cooperation Council (RCC) United Nations GHS Purple Book FAQ's Additional Information Effective Dates Hazard Communication Wallet Card The Background of The Globally Harmonized System for Hazard Communication Workers' Rights Hazard Communication Standard HCS/HazCom 2012 Final Rule Appendices, and Comparison Documents HCS/HazCom Final Rule Regulatory Text Preamble for HCS 2012 Preamble for 1994 HCS Hazard Communication - OSHA Standards Federal Register: The Final Rule was published on March 26, 2012 and became effective May 25, 2012 Federal Register [PDF] 2013 Corrections Notice HCS Comparison: HazCom 1994 and HazCom 2012 Side-by-side Redline Strikeout of the Regulatory Text