During decontamination, which drying method is recommended unless the product directions specify otherwise?

• A. Wipe surfaces with a dry towel after spraying.
• B. Wipe the surfaces with a bleach solution.
• C. Rinse with water.
• D. Let surfaces air dry unless product directions indicate otherwise.

Answer: (D)

After applying a decontaminant, the usual approach is to let surfaces air dry. This keeps the product on the surface for its required contact time, which is what lets the disinfectant do its job effectively. If the product directions specify a different drying method, follow those instructions. Wiping with a dry towel would remove some of the product and could spread contaminants, rinsing with water would wash the product away and shorten the contact time, and using a bleach solution as a drying step isn’t a drying method at all. So, unless the label says otherwise, air drying is the best default.