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How frequently must a tank system under temporary closure be inspected?

  1. Monthly

  2. Every 2 months

  3. Every 3 months

  4. Every 6 months

The correct answer is: Every 3 months

A tank system that is under temporary closure is required to be inspected every 3 months. This inspection frequency is established to ensure that the integrity of the tank and its associated systems are maintained, preventing any potential leaks or environmental hazards during the period when the tank is not in use. Regular inspections help identify any deterioration or issues that may arise due to inactivity, ensuring compliance with safety regulations and environmental protection standards. By adhering to this 3-month inspection schedule, operators can manage risks effectively and maintain the overall safety of their underground storage tank (UST) systems.