Why is corrosion protection important for USTs?

Corrosion protection is vital for underground storage tanks (USTs) primarily because it prevents rust and corrosion that can lead to leaks. When USTs are not adequately protected from corrosion, the integrity of the metal can be compromised over time, especially when they are in contact with the soil and groundwater, which often contain moisture and various corrosive substances. These leaks can result in hazardous materials leaking into the environment, posing significant risks to soil and water quality, human health, and compliance with environmental regulations. Effective corrosion protection methods include using corrosion-resistant materials, coatings, and cathodic protection systems, all of which are essential for ensuring the long-term functionality and safety of USTs. This makes option B the most relevant and critical reason for employing corrosion protection in UST management.