SCHEDULE 1Activities
PART 2Activities
CHAPTER 3Mineral Industries
SECTION 3.6Ceramic Production
Part A(1)
a
Manufacturing ceramic products (including roofing tiles, bricks, refractory bricks, tiles, stoneware or porcelain) by firing in kilns, where—
i
the kiln production capacity is more than 75 tonnes per day; or
ii
the kiln capacity is more than 4m3 and the setting density is more than 300 kg/m3,
and a reducing atmosphere is used other than for the purposes of colouration.