New York Codes, Rules and Regulations
Title 1 - DEPARTMENT OF AGRICULTURE AND MARKETS
Chapter I - Milk Control
Subchapter A - Dairy Products (Article 4, Agriculture and Markets Law)
Part 3 - Requirements For The Production, Processing And Distribution Of Grade A Condensed Milk, Dry Milk Products, Condensed Whey And Dry Whey Products
Sanitation Requirements for All Condensing Plants and Drying Plants Making Grade a Condensed Milk Products, Dry Milk Products, Condensed Whey and Dry Whey
Section 3.9 - Floors-construction-item 1p

(a) The floors of all rooms in which milk, milk products, whey, and condensed and dry milk products are processed, handled, packaged or stored or in which containers or utensils are washed, are constructed of good quality concrete, or equally impervious tile or brick laid closely with impervious joints, or other material which is the equivalent of good quality concrete. The floors of storage rooms for dry ingredients and/or packaging material may be constructed of tightly joined wood.

(b) The floor surface is smooth and sloped, so that there are no pools of standing water after flushing; and the joints between the floor and the walls are impervious.

(c) The floors are provided with trapped drains. Cold-storage rooms used for storing milk, milk products and whey need not be provided with floor drains when the floors are sloped to drain to one or more exits. Storage rooms for dry ingredients, dry packaged products and/or packaging materials need not be provided with drains.