All plumbing drains shall be constructed so as to minimize clogging, provide for thorough drainage, and prevent backflow, vermin, and sewage gas from entering the plant. Waste plumbing shall not cross a product zone or food storage area unless properly sealed off or otherwise installed as to effectively preclude contamination of the product or product zone.
Minn. R. agency 105, ch. 1550, SALVAGING AND RECONDITIONING OF FOODS, pt. 1550.2550
Statutory Authority: MS s 31.101