77. Which of the following statements about liquid waste disposal is false?
O Drain lines from ice machines must be indirectly plumbed to a floor sink.
O Toilets and urinals may be used to dispose of mop water and other types of liquid waste.
O if used, a grease trap shall be located in a food establishment to be easily accessible for servicing.
OA food establishment must be connected to a city sewer or individual sewage disposal system in order to dispose of its liquid waste.