Infection Control & SafetyQuestion 379 of 484

A typical quaternary ammonium ("quat") concentrate used in salons is most often diluted at approximately what ratio, unless the manufacturer specifies otherwise?

a.Approximately 1:200 (e.g., about 0.5 oz per gallon) per the product label
b.1:1, equal parts concentrate and water
c.Always 1:10 regardless of label
d.1:1000 in cold water only

Explanation

Quat concentrates are commonly labeled around 1:200 (often ~0.5 oz per gallon of water). California regulations require following the manufacturer's label directions exactly, which take legal precedence over generic ratios.

Law Reference: 16 CCR §979

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