Liquid trade waste (LTW) is any discharge to a sewerage system other than domestic waste from a hand wash basin, shower, bath or toilet.

Activities that do not generate greasy/oilytypes of waste are premises that serve only fresh and toasted sandwiches, wraps, or import pies, sausage rolls and other pastry products and heat these for take-away consumption do not fall under greasy/oily type of waste. Requirements for this type of premises are outlined in a separate fact sheet.