Fire (General) EU55 PFZ A Hertfordshire Scania 94D that is used as a decontamination and … 1 June 2013 ukemergency EU55 PFZ A Hertfordshire Scania 94D that is used as a decontamination and environment protection unit. It carries a large advert for a free home safety check service.A closer look at the rear as three of the specialist firefighters begin to unload. Share Follow