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Coal Inspectorate | Alert | No.426 V 1 | 02 May 2023

Rare earth magnets

What happened?

An original equipment manufacturer (OEM) advised of an incident where an underground coal mine worker reported seeing a spark generated when a drill steel came in contact with a rare earth magnet.

As ferrite core magnets and rare earth magnets are used extensively, this Safety Alert is issued to alert industry to a potential safety hazard involving the use of rare earth magnets. 

These magnets are commonly found on equipment such as continuous miners, miner-bolters, multi-bolters and longwalls operating in hazardous environments.

How did it happen?


It is recommended that Site Senior Executives:

Investigations are ongoing and further information may be published as it becomes available. The information in this publication is what is known at the time of writing.

We issue Safety Notices to draw attention to the occurrence of a serious incident, raise awareness of risks, and prompt assessment of your existing controls.


Authorised by Jacques le Roux - Chief Inspector – Coal

Contact: Anthony Logan, Senior Inspector of Mines - Mechanical , 0477 373 213

Issued by Resources Safety & Health Queensland

Safety: This information is issued to promote safety through experience. It is not to be taken as a statement of law and must not be construed to waive or modify any legal obligation.
Placement: Place this announcement on noticeboards and ensure all relevant people in your organisation receive a copy, understand the content, findings and recommendations as applicable to their operation. SSEs should validate that recommendations have been implemented.

All information on this page (Rare earth magnets - is correct as of time of printing (Mar 3, 2024 2:23 am).