NAC445A.570. Suitability of equipment and utensils; construction of surfaces contacting processed water; standards for equipment; requirements for storage tanks.

     1. All equipment and utensils used in the plant must be suitable for their intended use.

     2. All surfaces which come in contact with the processed water must be:

     (a) Constructed of nontoxic and nonabsorbent material so that they can be adequately cleaned and sanitized; and

     (b) Kept free of accumulated dust, dirt and other debris.

     3. All equipment which is installed in a plant after October 1, 1994, must comply with the applicable standards of the National Sanitation Foundation as those standards existed on July 1, 1994. If there is not an applicable standard of the National Sanitation Foundation for a type of equipment, the equipment must be approved by the health authority. The applicable standards of the National Sanitation Foundation are hereby adopted by reference. A copy of those standards may be obtained from the National Sanitation Foundation, P.O. Box 13040, Ann Arbor, Michigan 48113-0140, at the following prices:

     (a) Standard No. 44 Caltron Exchange Water Softeners, $20.

     (b) Standard No. 51 Plastic Materials and Components Used in Food Equipment, $30.

     (c) Standard No. 55 Ultraviolet Microbiological Water Treatment Systems, $30.

     (d) Standard No. 58 Reverse Osmosis Drinking Water Treatment Systems, $20.

     (e) Standard No. 60 Drinking Water Treatment Chemicals—Health Effects, $45.

     (f) Standard No. 61 Drinking Water System Components—Health Effects, $45.

     (g) Standard No. 62 Drinking Water Distillation Systems, $20.

     4. All storage tanks must be kept closed to prevent contamination. A vent on a storage tank must be filtered with a filter that is easily cleanable or replaceable.

     (Added to NAC by Bd. of Health, eff. 10-14-82; A 9-15-94)