California UST System Operator Practice Test

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Prepare for the California UST System Operator Test. Study with quizzes and multiple-choice questions, each offering hints and detailed explanations. Get set for success on your exam day!

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How many days prior must owners and operators notify the EPA before permanently closing USTs?

15 Days
30 Days
45 Days
60 Days

The correct answer is: 30 Days

The requirement for notifying the EPA before permanently closing underground storage tanks (USTs) is established to ensure proper decommissioning procedures are followed and to allow for any necessary inspections or oversight. Owners and operators must notify the EPA at least 30 days prior to the permanent closure of USTs. This timeframe is crucial because it enables regulatory agencies to monitor the closure process, assess potential environmental impacts, and ensure compliance with all federal and state regulations. This notification process allows for a thorough review, especially in cases where the USTs may have implications for soil and groundwater safety. By providing a 30-day notice, the agency can coordinate with the owners and operators to ensure that all measures are in place to address any potential risks associated with the removal or closure of the tanks.