SCHEDULE 1Additional authorised fuels

12

Fireglo briquettes, manufactured by Les Combustibles de Normandie at Caen, France, and by La Société Rouennaise de Defumage at Rouen, France, which—

a

comprise washed Welsh duffs (as to approximately 92 per cent. of the total weight) and coal pitch binder (as to the remaining weight);

b

were manufactured from those constituents by a process involving roll-pressing and heat treatment at about 330°C;

c

are ovoids with 3 lines on one side and are smooth on the other side and have an average weight of 30 grammes; and

d

have a sulphur content not exceeding 0£8 per cent. of the total weight.