Final answer:
The periodic inspection and testing of tanks and piping must be conducted under the supervision of a P-98 Certificate of Fitness holder, who is certified to inspect and test fuel-oil piping and storage systems.
Step-by-step explanation:
The periodic inspection and testing of such tanks and piping shall be conducted under the supervision of a P-98 Certificate of Fitness holder.
A P-98 Certificate of Fitness is a certification in jurisdictions such as New York City, which indicates that an individual has been trained and passed a test to conduct inspections and tests on fuel-oil piping and storage systems in buildings. This certification is required for professionals who supervise the handling and use of fuel oil systems, ensuring they meet fire safety requirements. It's crucial for public safety that the individuals carrying out such inspections are adequately qualified and certified to do so.