CA Health & Safety Code Section 114047

(a)

Adequate and suitable space shall be provided for the storage of food.

(b)

Except as specified in subdivisions (c), (d), and (e), food shall be protected from contamination by storing the food in a clean, dry location, where it is not exposed to splash, dust, vermin, or other forms of contamination or adulteration, and at least six inches above the floor.

(c)

Food in packages and working containers may be stored less than six inches above the floor on case lot handling equipment as specified under Section 114165.

(d)

Pressurized beverage containers, cased food in waterproof containers such as bottles or cans, and milk containers in plastic crates may be stored on a floor that is clean and not exposed to moisture.

(e)

Temporary alternate food storage methods and locations may be approved by the local enforcement agency.