California Code, Health and Safety Code - HSC § 114119

(a) Except as specified under subdivision (b), in the food with their handles above the top of the food and the container.

(b) In food that is not potentially hazardous, with their handles above the top of the food within containers or equipment that can be closed, such as bins of sugar, flour, or cinnamon.

(c) On a clean portion of the food preparation table or cooking equipment only if the in-use utensil and the food-contact surface of the food preparation table or cooking equipment are cleaned and sanitized at a frequency specified under Section 114117.

(d) In running water of sufficient velocity to flush particulates to the drain, if used with moist food such as ice cream or mashed potatoes.

(e) In a clean, protected location if the utensils, such as ice scoops, are used only with a food that is not potentially hazardous.

(f) In a container of water if the water is maintained at a temperature of at least 135°F and the container is cleaned at least every 24 hours or at a frequency necessary to preclude the accumulation of soil residues.