PDFWAC 246-215-04620
Methods—Dry cleaning (FDA Food Code 4-603.11).
(1) If used, dry cleaning methods such as brushing, scraping, and vacuuming may only contact surfaces that are soiled with dry food residues that are not time/temperature control for safety food.
(2) Cleaning equipment used in dry cleaning food-contact surfaces may not be used for any other purpose.