Final answer:
Quat solutions require a contact time of at least 10 minutes to effectively disinfect implements.
Step-by-step explanation:
Quat solutions, or quaternary ammonium compound solutions, are commonly used as disinfectants in various settings. The time it takes for quat solutions to disinfect implements can vary depending on the concentration of the solution and the specific microorganisms present. However, in general, quat solutions require a contact time of at least 10 minutes to effectively disinfect implements.