In Part B—

• “coal” includes lignite;

• “designated mineral or mineral product” means—

  1. a

     clay, sand or any other naturally occurring mineral other than coal;

  2. b

     metallurgical slag;

  3. c

     boiler or furnace ash produced from the burning of coal, coke or any other coal product;

  4. d

     gypsum which is a by-product of any activity;

• “exempt location” means—

  1. a

     any premises used for the sale of petroleum coke, coal, coke or any coal product where the throughput of such substances at those premises in any 12-month period is in aggregate likely to be less than 10,000 tonnes; or

  2. b

     any premises to which petroleum coke, coal, coke or any coal product is supplied only for use there;

• “retail sale” means sale to the final customer.

Part B does not apply to any activity carried on underground.