For a chemical spill (e.g., disinfectant) on an operatory counter, what is the appropriate immediate action to protect everyone in the clinic?

1. Ignore the spill entirely if the chemical smell seems mild
2. Wipe it up with a dry cloth later at the end of the working day
3. Contain and ventilate, then clean and dispose per protocol
4. Ask the seated patient to help wipe up the spilled liquid

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