poisonous or toxic materials must be stored so they cannot contaminate food, equipment,utensils, linens, and single-service and single-use articles by:

(1) Separating the poisonous or toxic materials by spacing or partitioning; and

(2) Locating the poisonous or toxic materials in an area that is not above food, equipment, utensils, linens, and single-service or single-use articles. This subsection does not apply to equipment and utensil cleaners and sanitizers that are stored in warewashing areas for availability and convenience if the materials are stored to prevent contamination of food, equipment, utensils, linens, and single-service and single-use articles.