(a) General requirement. Dry storage of instant nonfat dry milk, nonfat dry milk, dry whole milk, dry buttermilk, dry whey and other dry milk products must conform with § 59a.315 (relating to storage of finished product).
(b) Storage rooms. Storage rooms for the dry storage of product must be adequate in size, kept clean, orderly, free from rodents, insects and mold, and maintained in good repair. The rooms must be adequately lighted and ventilated. The ceilings, walls, beams and floors shall be free from structural defects and inaccessible false areas which may harbor insects.