2VAC5-585-1700. Manual and mechanical warewashing equipment, chemical sanitization - temperature, pH, concentration, and hardness.

A chemical sanitizer used in a sanitizing solution for a manual or mechanical operation at contact times specified under subdivision 3 of 2VAC5-585-1900 shall meet the criteria specified under 2VAC5-585-3380, shall be used in accordance with the EPA-registered label use instructions,^P and shall be used as follows:

1. A chlorine solution shall have a minimum temperature based on the concentration and pH of the solution as listed in the following chart;^P

Minimum Concentration	Minimum Temperature
mg/L (ppm)	pH 10 or less °F (°C)	pH 8.0 or less °F (°C)
25-49	120 (49)	120 (49)
50-99	100 (38)	75 (24)
100	55 (13)	55 (13)

2. An iodine solution shall have a:

a. Minimum temperature of 68°F (20°C);^P

b. pH of 5.0 or less or a pH no higher than the level for which the manufacturer specifies the solution is effective;^P and

c. Concentration between 12.5 mg/L (ppm) and 25 mg/L (ppm);^P

3. A quaternary ammonium compound solution shall:

a. Have a minimum temperature of 75°F (24°C);^P

b. Have a concentration as specified under 2VAC5-585-3380 and as indicated by the manufacturer's use directions included in the labeling;^P and

c. Be used only in water with 500 mg/L (ppm) hardness or less or in water having a hardness no greater than specified by the EPA-registered label use instructions;^P

4. If another solution of a chemical specified under subdivisions 1 through 3 of this section is used, the operator shall demonstrate to the department that the solution achieves sanitization and the use of the solution shall be approved;^P or

5. If a chemical sanitizer other than chlorine, iodine, or a quaternary ammonium compound is used, it shall be applied in accordance with the EPA-registered label use instructions;^P and

6. If a chemical sanitizer is generated by a device located on site at the food establishment, it shall be used as specified in subdivisions 1 through 4 of this section and shall be produced by a device that:

a. Complies with regulation as specified in §§ 2(q)(1) and 12 of the Federal Insecticide, Fungicide, and Rodenticide Act (7 USC § 136(q)(1) and 7 USC § 136j);^P

b. Complies with 40 CFR 152.500 and 40 CFR 156.10;^P

c. Displays the EPA device manufacturing facility registration number on the device;^Pf and

d. Is operated and maintained in accordance with manufacturer's instructions.^Pf

Statutory Authority

§ 3.2-5121 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 24, Issue 2, eff. October 16, 2007; amended, Virginia Register Volume 32, Issue 22, eff. July 12, 2016; Volume 37, Issue 19, eff. June 24, 2021.

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