Disinfection & SafetyQuestion 11 of 100
Why must disinfectant concentrate be measured and mixed exactly as the manufacturer's label directs?
a.A stronger mix always disinfects faster, so more concentrate is preferred
b.The dilution only affects how strongly the product smells
c.Too weak will not kill the pathogens, and too strong can damage implements and irritate skin and lungs
d.The label ratio is only a suggestion as long as tools soak overnight
Explanation
The EPA registration is based on the exact dilution and contact time on the label, so any other mix is unproven and using it is a violation. An under-diluted solution leaves pathogens alive, while an over-concentrated one can pit and corrode implements and irritate skin and airways. Soaking longer does not rescue a solution that was mixed wrong.
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