Explosion of refrigerated container compression units and recommendations for recharging - Applicability: Container ship operators and crew, container terminals and stevedores, road haulage firms, maintenance fitters and end users/leasers of refrigerated containers. There have recently been a number of incidents, some fatal, involving explosion of the compressor units fitted to refrigerated (reefer) containers. The cause of the explosions is still under investigation but it appears that the servicing of the refrigeration system is a common factor in each case.