UKtramp:
On the note of who regulates the food industry and audits the temps etc, it is DEFRA , just for the record they know me well as I consult for them too.
That’ll be the new name for MAFF then! 
Back when I was doing the fridge job around Europe (in the 80s,) M.A.F.F. stood for Ministry of Agriculture, Fisheries and Food.