Cleaning & SanitizingQuestion 18 of 319
A food worker mixes a quaternary ammonium (quat) sanitizer. What is the typical minimum concentration to be effective?
a.25 ppm
b.100 ppm
c.200 ppm
d.400 ppm
Explanation
Quat sanitizer is typically used at a minimum of 200 ppm, with many manufacturers specifying a range up to 400 ppm. Quat requires water of at least 75°F and water hardness no greater than 500 ppm. Always follow the manufacturer's label.
Law Reference: Cal. H&S Code §114099.1Practice all 319 questions free — no signup required.
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