Nev. Admin. Code § 446.303 - Warewashing: Chemical sanitizers

Current through August 4, 2021

A chemical sanitizer used in a sanitizing solution for a manual or mechanical operation at approved exposure times must meet the sanitizer criteria specified in this chapter and must be used as follows:

1. A chlorine solution must have a minimum temperature based on the concentration and pH of the solution as listed in the following chart:

Minimum Concentration Minimum Temperature
mg/L pH 10 or less °F (°C) pH 8 or less °F (°C)
25 120°F (48.9 °C) 120°F (48.9 °C)
50 100°F (37.8 °C) 75°F (23.9 °C)
100 55°F (12.8 °C) 55°F (12.8 °C)
2. An iodine solution must have:
(a) A minimum temperature of 68°F (20°C);
(b) A pH of 5.0 or less or a pH not higher than the level for which the manufacturer specifies the solution is effective; and
(c) A concentration between 12.5 mg/L and 25 mg/L.
3. A quaternary ammonium compound solution must:
(a) Have a minimum temperature of 75°F (23.9 °C);
(b) Have a concentration as indicated by the manufacturer's use directions included in the labeling; and
(c) Be used only in water with 500 mg/L hardness or less, or in water having a hardness not greater than specified by the manufacturer's label.
4. If another solution of a chemical specified in subsection 1, 2 or 3 is used, the permit holder must demonstrate to the health authority that the solution achieves sanitization and the use of the solution must be approved.
5. If a chemical sanitizer other than chlorine, iodine or a quaternary ammonium compound is used, the sanitizer must be applied in accordance with the manufacturer's directions for use included in the labeling.

Notes

Nev. Admin. Code § 446.303
Added to NAC by Bd. of Health by R069-10, eff. 12-18-2013

NRS 439.200, 446.940

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