As of 1998, steel USTs were required to have some form of corrosion protection.

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Multiple Choice

As of 1998, steel USTs were required to have some form of corrosion protection.

Explanation:
The test is about why steel underground storage tanks must have corrosion protection. Steel is a metal that corrodes when buried in soil moisture and in contact with petroleum products. To prevent leaks that could contaminate soil and groundwater, regulations require steel USTs to have some form of corrosion protection, such as a protective coating, a corrosion-resistant lining, or cathodic protection. Fiberglass and some other materials are inherently resistant to corrosion, and aluminum isn’t the typical choice for USTs in the same regulatory context, so the requirement specifically targets steel tanks. This is why the statement is correct.

The test is about why steel underground storage tanks must have corrosion protection. Steel is a metal that corrodes when buried in soil moisture and in contact with petroleum products. To prevent leaks that could contaminate soil and groundwater, regulations require steel USTs to have some form of corrosion protection, such as a protective coating, a corrosion-resistant lining, or cathodic protection. Fiberglass and some other materials are inherently resistant to corrosion, and aluminum isn’t the typical choice for USTs in the same regulatory context, so the requirement specifically targets steel tanks. This is why the statement is correct.

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