foodemployees shall clean their hands and exposed portions of their arms as specified under WAC 246-215-02305 immediately before engaging in food preparation including working with exposed food, clean equipment and utensils, and unwrapped single-service and single-use articles and:

(1) After touching bare human body parts other than clean hands and clean, exposed portions of arms;

(2) After using the toilet room;

(3) After caring for or handling service animals or aquatic animals as specified under WAC 246-215-02415(2);

(4) Except as specified under WAC 246-215-02400(2), after coughing, sneezing, using a handkerchief or disposable tissue, using tobacco, eating, or drinking;

(5) After handling soiled equipment or utensils;

(6) During food preparation, as often as necessary to remove soil and contamination and to prevent cross contamination when changing tasks;

(7) When switching between working with raw food and working with ready-to-eatfood;

(8) Before donning gloves for working with ready-to-eatfood unless a glove change is not the result of contamination; and

(9) After engaging in other activities that contaminate the hands or gloves.