The floors, walls and ceilings of frozen food locker plants shall be of a construction and finish that they can be conveniently maintained in a clean and sanitary condition. The lockers in any plant shall be so constructed as to protect the contents from contamination, deterioration or injury. Lockers with perforated bottoms shall be provided with a suitable unperforated liner or tray.
Source:
Section 112525, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=112525..