SCHEDULEAuthorised fuels
33
Island Lump and Island Nuts, manufactured by Unocal Refinery, California, the United States of America, which—
a
comprise petroleum coke;
b
were manufactured from the petroleum coke by a process involving heat treatment and steam injection;
c
are unmarked random shapes;
d
have an average weight of 80g (per briquette of Island Lump) or 30g (per briquette of Island Nuts); and
e
have a sulphur content not exceeding 2% of the total weight.