What is the minimum percentage of an underground storage tank that must be underground to be classified as such?

Study for the Indiana Auctioneer Licensure Test. Utilize flashcards and multiple choice questions; each question includes hints and explanations. Prepare thoroughly for your exam!

To classify an underground storage tank (UST) as such, it must have a minimum percentage of its volume located underground. In Indiana, and many other jurisdictions, the standard criterion is that at least 10% of the tank’s combined volume should be below the surface of the ground. This ensures that the tank is primarily protected from environmental elements and provides a defined regulatory framework for monitoring and managing potential leaks and contamination.

This specification is important for environmental protection, as it impacts regulations concerning the operation, maintenance, and testing of these tanks to prevent spills and leaks, which can harm soil and groundwater quality. Understanding this threshold is critical for compliance with both local and federal regulations governing underground storage tanks.

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