1. In the given scenario, the evacuation process should be carried out as follows: Step 1: Alert everyone in the building about the chemical spill and the need for immediate evacuation. Use the building's public address system if available. Step 2: Direct all staff and customers to the nearest exit, avoiding the kitchen area where the spill occurred. Ensure that everyone is moving in a calm and orderly manner. Step 3: Assist the dizzy staff member, ensuring they are evacuated safely. If necessary, seek immediate medical attention for them. Step 4: Once everyone is out of the building, move them to the designated 'muster point' or 'assembly point'. This is usually a safe distance away from the building, in an open area where everyone can be accounted for. Step 5: Conduct a roll call to ensure everyone is accounted for. If anyone is missing, inform the emergency services immediately. Step 6: Secure the building to prevent anyone from re-entering. This could involve locking all entrances or putting up barriers. Step 7: Contact the appropriate authorities to handle the chemical spill and clean up