(b) The use of mats shall be acceptable if they are:

1. (1) At least two inches (2") thick;
2. (2) Washable;
3. (3) Waterproof; and
4. (4) Size-appropriate for children.

(c) All sleeping equipment shall be kept at least one foot (1') apart for napping to:

1. (1) Prevent cross-contamination; and
2. (2) Ensure ease of access in an emergency.

(d)

1. (1) Sheets and covers shall be washed:

   1. (A) At least once a week; or
   2. (B) More frequently as needed.
2. (2) Once a sheet, cover, or blanket has been used by a child, it shall not be used by another child until it has been washed.