The owner of a Liverpool waste company died after an incident at his industrial premises.
George Howley died at the site of Secure Disposals Services on Suez Street, Newton-le-Willows near St Helens on 20 January.
Merseyside Police confirmed that a post-mortem is to be carried out to establish the cause of death.
The Health and Safety Executive (HSE) are leading a joint investigation into the death in conjunction with St Helens CID.
North West Ambulance Service said they received a call at 10:57am. On arrival at Suez Street they found no-one else was injured.
It was reported Howley’s arm became trapped while operating machinery.
- HSE figures showed that, between April 2012 and March 2013, there was a small improvement in the number of major injuries in the waste management sector but the number of deaths doubled.