F1“cell bund” or “cell wall” means a structure within a disposal area which separates or contains units of waste;

“disposal area” means any area of a landfill site where any landfill disposal takes place;

“haul road” means any road within a landfill site which gives access to a disposal area;

F2“impermeable layer” means the geological barrier, whether formed of a single mineral layer or such mineral layer combined with an artificial sealing liner or cap, located at the external facing perimeter of a landfill cell, that has the function of preventing the escape of liquids or gases from that landfill cell;

F2“landfill cell” means a unit or structure within a landfill site formed of an impermeable layer at its base and sides and, save where the cell only contains inert material, at the top of the unit or structure;

“LT(S) Act 2014” means the Landfill Tax (Scotland) Act 2014; and

“screening bund” means any structure on a landfill site (whether below or above ground) put in place to protect or conceal any landfill site activity or to reduce nuisance from noise.