These are the choices:
Essar Stanlow Refinery
Situated south of the Mersey estuary near Ellesmere Port, refining at Stanlow dates back to 1924.
ExxonMobil Refinery Fawley
Situated on the west shore of Southampton Water, Fawley is the largest refinery in the UK, with refining activity on the site dating back to 1921.
PetroIneos Grangemouth Refinery
Situated close to the Firth of Forth, Grangemouth traces its origins back to 1924 and up until the Second World War it handled about 400,000 tonnes of oil.
Phillips 66 Humber Refinery
Situated on the Humber Estuary at South Killingholme, the refinery came into operation in 1969 with a capacity of about 3 million tonnes.
Total Lindsey Oil Refinery
Situated close to the south bank of the Humber Estuary in North Lincolnshire, Lindsey Oil Refinery, originally a 50/50 joint venture between Fina and Total, is now owned by Total.
Valero Pembroke Refinery
Pembroke Refinery is situated on the Pembroke coast and came on stream in 1964