PART I(see regulation 42)FIRE EXTINGUISHING APPARATUS

A fire extinguisher which complies in all respects with the specification for portable fire extinguishers issued by the British Standards Institution numbered BS 5423: 1977 or BS 5423: 1980 or BS 5423:1987 and which_

a

has a minimum test fire rating of 8A or 21B, and

b

contains water or foam or contains, and is marked to indicate that it contains, halon 1211 or halon 1301.