All food shall be manufactured, produced, prepared, compounded, packed, stored, transported, kept for sale, and served so as to be pure and free from adulteration and spoilage; shall have been obtained from approved sources; shall be protected from dirt, vermin, unnecessary handling, droplet contamination, overhead leakage, or other environmental sources of contamination; shall otherwise be fully fit for human consumption; and shall conform to the applicable provisions of the Sherman Food, Drug, and Cosmetic Law (Part 5 (commencing
with Section 109875)).