Practical analysis of OSHA HazCom, GHS revision cycles, SDS authorship, and classification edge cases.
How OSHA HazCom classification flows into SDS Section 2 label elements, where Appendix C controls, and how to avoid common errors from UN GHS and EU CLP source documents.
HazCom 2024 retires the dual classification of aerosols as gases under pressure. A map of the three pressurized-product classes and the pictogram trap that catches a blanket cleanup.
A practitioner's map of exactly where US classification and UN GHS Revision 11 diverge, and the decision logic for handling the gap.
Generic cut-off vs. specific concentration limits, bridging principles, and when to re-classify a mixture after reformulation.