PDFWAC 246-215-09125
Time/temperature control for safety food—Temperature control.
The person in charge of a mobile food unit shall ensure that time/temperature control for safety foods are:
(1) Not cooled on the mobile food unit unless approved;
(2) Properly temperature-controlled during transport to the place of service;
(3) Temperature-monitored by use of a stem-type thermometer or thermocouple capable of measuring all proper food temperatures; and
(4) Held in preheated mechanical hot holding equipment or prechilled mechanical cold holding equipment, or otherwise temperature controlled by an approved method.