The proper dilution ratio for the sanitizer solution in the sanitizer sink is 100 parts per million (PPM). Thus, the correct option is A.
What is the Dilution ratio?
The Dilution ratio may be characterized as the proportion of the volume of water in a water body to the entire volume of an incoming unwanted substance or any other solute/solvent substance in which it dissolves.
The concentration of the dilute ration must be reached up to 100 parts per million to recognize the proper dilution of sanitizer solution in the sanitizer sink.
Therefore, the correct option is A.
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