What must be done to all exterior above-grade fill piping when fuel oil tanks are abandoned or removed?

When fuel oil tanks are abandoned or removed, all exterior above-grade fill piping must be removed to ensure safety and compliance with regulations. This action is crucial because any remaining piping can pose several hazards, such as leaks or contamination of the surrounding area. Beyond just eliminating the risk of potential leaks, removing the piping helps prevent any accidental use or tampering with the abandoned system, further protecting the environment and public safety. Properly decommissioning these components means that they will not inadvertently contribute to pollution or create dangerous situations. Therefore, the necessity to remove all exterior above-grade fill piping relates to safety standards and environmental responsibility.