PDFWAC 246-215-05580
Facilities on the premises, operation and maintenance—Cleaning receptacles (FDA Food Code 5-501.116).
(1) Receptacles and waste handling units for refuse, recyclables, and returnables must be thoroughly cleaned in a way that does not contaminate food, equipment, utensils, linens, or single-service and single-use articles, and waste water must be disposed of as specified under WAC 246-215-05420.
(2) Soiled receptacles and waste handling units for refuse, recyclables, and returnables must be cleaned at a frequency necessary to prevent them from developing a buildup of soil or becoming attractants for insects and rodents.