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HSE to prosecute over fatal Pembroke Refinery blast

A UK fuel provider and a construction firm will be prosecuted over an explosion at an oil refinery in south Wales in 2011 that killed four workers.

HSE to prosecute over fatal Pembroke Refinery blast
The tank exploded, killing four workers | Image credit: ©REX/Shutterstock

The Health and Safety Executive (HSE) said Valero Energy UK and B&A Contracts face charges under ss 2(1) and 3(1) of the Health and Safety at Work Act. 

Dennis Riley, Robert Broome, Andrew Jenkins and Julie Schmitz died in the blast at Pembroke Refinery’s amine recovery unit on 2 June 2011. A fifth worker, Andrew Phillips, was very seriously injured. 

Chevron operated the refinery at the time of the incident. 

The Crown Prosecution Service said previously there was insufficient evidence to proceed against any of the companies involved for offences of corporate manslaughter.

A tank cleaning operation was underway in the amine recovery unit when a 730m3 storage tank exploded, resulting in a subsequent fire.   

The companies will appear at Haverfordwest Magistrates’ Court on 24 September. 

Jane Lassey, deputy director of field operations at the HSE, said: “Following a painstaking and extremely thorough investigation, much of which was conducted jointly with Dyfed Powys Police, we have concluded that there is sufficient evidence to bring criminal charges.”

The Pembroke Refinery today is operated by Valero Energy, “which is a different legal entity”, the HSE said.



Keeley Downey is acting deputy editor of IOSH Magazine. She is a former editor of Biofuels International, Bioenergy Insight and Tank Cleaning Magazine

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