The Industrial Pollution Control (Prescribed Processes and Substances) Regulations (Northern Ireland) 1998

Section 3.6 Ceramic Production

Part A Nil

Part B

(a) Firing heavy clay goods or refractory goods in a kiln where a reducing atmosphere is essential or with a production capacity exceeding 50 tonnes per day.

(b) Vapour glazing earthenware or clay with salts.

Part C

Firing heavy clay goods or refractory material (other than heavy clay goods) in a kiln where the process does not fall within a description in Part B of this Section.

In this Section, “clay” includes a blend of clay with ash, sand or other materials;

“refractory material” means material (such as fireclay, silica, magnesite, chrome-magnesite, sillimanite, sintered alumina, beryllia and boron nitride) which is able to withstand high temperatures and to function as a furnace lining or in other similar high temperature applications.