Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 55-89 - Food, Lodging, and Recreation Safety
Chapter ATCP 65 - Milk And Milk Products
Subchapter III - Dairy Plants
Section ATCP 65.34 - Sanitizers and sanitizing methods

Current through August 26, 2024

(1) SANITIZING METHODS. Cleaned product contact surfaces shall be sanitized by using any of the following methods:

(a) Complete and continuous exposure to clean water at a temperature of at least 170° F. (70° C.) for at least 5 minutes.

(b) Complete and continuous exposure to steam resulting in a food contact surface temperature of at least 170° F. (70° C.) for at least 15 minutes or resulting in a food contact surface temperature of at least 200° F. (93° C.) for at least 5 minutes.

(c) Complete and continuous exposure for at least 2 minutes to a sanitizing solution containing at least 50 ppm of free residual chlorine and having a pH not higher than 8.3, at a temperature not less than 75° F. (24° C.) or more than 110° F. (44° C.)

(d) Complete and continuous exposure for at least one minute to a sanitizing solution containing at least 12.5 ppm of available iodine and having a pH not higher than 5.0, at a temperature of not less than 75° F. (24° C.) or more than 110° F. (44° C.).

(e) Complete and continuous exposure to a caustic sanitizing solution according to s. ATCP 65.32(3).

(f) Application of chemical sanitizers that comply with 21 CFR 178.1010, are registered with the U.S. environmental protection agency and applied according to manufacturer's instructions.

(g) Application of a chemical sanitizer or sanitizing method that has been shown to be as effective as the methods specified under pars. (a) to (f), and that the division has approved in writing.

(2) SANITIZERS; MAXIMUM CONCENTRATIONS. The use of a sanitizer shall leave no toxic residue on a product contact surface. Sanitizing solutions shall not exceed the maximum concentrations specified by the US food and drug administration, under 21 CFR 178.1010. A test kit or other device that measures the concentration of sanitizing solutions in appropriate units of measurement shall be used as necessary to ensure compliance with this subsection at all times.

Disclaimer: These regulations may not be the most recent version. Wisconsin may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.