SCHEDULE AUTHORISED FUELS
48 Newheat briquettes manufactured for Oxbow Coal B.V at Newfield Works, Bishop Auckland, County Durham, which—
(a) comprise petroleum coke (as to approximately 60 to 65 per cent of the total weight), anthracite (as to approximately 30 to 35 per cent of the total weight), together with a cold setting resin binder, hardener and low temperature stabiliser (as to the remaining weight);
(b) are produced at ambient temperature by a process involving roll-pressing and cold curing;
(c) are unmarked pillow-shaped oval briquettes;
(d) have an average weight of approximately 100 grammes +/- 5 per cent per briquette; and
(e) have a sulphur content not exceeding 1.9 per cent of the total weight.