Inching closer to harmonisation

Recent regulatory changes have paved the way towards international harmonisation in aerosol transportation, writes Steve Hunt of ShipMate, a dangerous goods consulting company.

The US made two giant leaps toward international harmonisation earlier this year, but still has a long way to go.

Elimination of the ORM-D classification

Thirty years ago, the US Department of Transportation’s Research and Special Programs Administration (RSPA) published its most significant rulemaking, HM-181, and adopted the international standards of the United Nations’ (UN) Recommendations on the Transport of Dangerous Goods Model Regulations (UN Orange Book).

At that time, the RSPA eliminated four of five other regulated material (ORM) classifications. Hazardous materials classified as ORM-A exhibited anaesthetic, irritating, noxious, or other toxic properties. ORM-B hazardous materials were those that could cause significant damage to the transport vehicle and included substances like many corrosive solids. ORM-C hazardous materials had other inherent characteristics that caused them to be...

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