Hazardous Materials

Changes to states/counties with “Delegated RMP Enforcement”

The current list of delegated states and counties is: Additionally, the following territories and local jurisdictions have delegation: Kentucky, Puerto Rico, and the Virgin Islands NO LONGER implement the program and the Regional office has taken over implementation for those areas. Florida has a partial delegation (everything but propane facilities) North Dakota has a partial […]

The first documented case of static electrical ignition of a household substance causing facial burns (NIH 2019)

A 60-year-old female worker in a plastic moulding workshop was cleaning a large plastic bin. The bin had been vacuum cleaned and then sprayed with ‘Ambersil’, a highly flammable mould-removing aerosol spray that can be purchased for domestic use. The patient attempted to wipe the bin, but when she placed her face inside it to

Safety System (Shear Coupling & Sensor) failure during bulk transfer (Railcar) enabled anhydrous ammonia release

In August 2024, while loading anhydrous ammonia into a railcar at a manufacturing site, a shear coupling on the loadout arm failed to function. Two out of three bolts failed, causing the coupling to open and resulting in a loss of primary containment (LOPC) of pressurized liquefied ammonia, which formed an ammonia vapor cloud.  A

Texas Chlorine (Cl2) Release UPDATE

The chlorine (Cl2) event in TX this week has been reported as a 10,000-pound release that lasted 48 minutes. Three of the four workers injured in the incident have been released, while the fourth is still receiving treatment. Still no word on what caused the release or what part of the primary containment system failed.

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