Practical analysis of OSHA HazCom, GHS revision cycles, SDS authorship, and classification edge cases.
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.
What auditors actually look for in Section 2, common gaps between classification evidence and the hazard statement set, and how to resolve them.
Generic cut-off vs. specific concentration limits, bridging principles, and when to re-classify a mixture after reformulation.