How long must be immersed equipment and utensils and a non-chlorine sanitizing solution

30 s

Explanation:

You should immerse for the time recommended on the label of your sanitizing solution.

However, for solutions of iodine and of quaternary ammonium compounds, the usual time is 30 s at a temperature of 75 °F (24 °C).

However, some jurisdictions require immersion times of 1 min. Check with your local authorities.