Oregon 30-Hour Real Estate Law Practice Test

What is the typical remaining useful life of a 15-year-old underground storage tank?

1. 5 years

2. 10 years

3. Zero years

4. 15 years

The correct answer is: Zero years

The typical remaining useful life of a 15-year-old underground storage tank is considered to be zero years primarily due to the factors affecting the longevity and integrity of such tanks. Over time, underground storage tanks (USTs) are exposed to various environmental conditions, corrosion, and the effects of the substances stored within them. Generally, most USTs have a life span of about 15 to 20 years, depending on their materials, maintenance, and environmental factors. At 15 years old, a tank is nearing the end of its expected operational life, especially if it hasn't undergone rigorous maintenance or if it's made of materials that are prone to early deterioration. Regulatory agencies often recommend replacing tanks that have reached this age to avoid potential leaks, which could lead to significant environmental contamination and costly clean-up efforts. Given this, the reasoning for saying that the remaining useful life of a 15-year-old UST is zero years aligns with best practices in environmental management and safety protocols concerning hazardous substances. This approach emphasizes proactive measures to protect both the environment and public health.