An underground oil-storage tank falls outside what aspect of inspection?

When considering the context of home inspections, an underground oil-storage tank is typically not included in the general home inspection. The primary focus of a general home inspection is to evaluate the overall condition of the home's structural integrity, safety, and essential systems such as plumbing, electrical, heating, and cooling.

An underground oil-storage tank, while potentially relevant to the health and environmental safety of the property, falls into a more specialized area of inspection, often requiring specific knowledge regarding environmental regulations and compliance. This specialized inspection addresses issues such as potential leaks, contamination, and the tank's condition, rather than the typical structural and operational aspects covered in a general home inspection.

In contrast, structural inspections focus on the physical structure of the home, electrical inspections assess the electrical systems and safety, and HVAC inspections pertain to the heating, ventilation, and air conditioning systems. Therefore, the inspection of an underground oil-storage tank does not align with the focus areas of these categories, leading to its classification as outside the scope of a general inspection.