For how long must release detection records of sampling, testing, or monitoring be maintained?

The correct duration for maintaining release detection records of sampling, testing, or monitoring is indeed two years. This requirement stems from regulatory guidelines established by the Environmental Protection Agency (EPA) and other relevant regulatory bodies that oversee underground storage tanks (USTs). The two-year retention policy is designed to ensure that facilities have access to historical data, which is essential for tracking any potential issues related to leaks or environmental violations.

Keeping these records for at least two years enables operators to demonstrate compliance with regulations and facilitates the identification of patterns or trends in release detection that may require further investigation. Moreover, having up-to-date and accessible records is crucial during inspections or audits, as it reflects the facility's commitment to operational integrity and environmental protection.

This retention period strikes a balance between the need for adequate historical data and the practicalities of record management, helping operators maintain compliance while also ensuring that they do not retain unnecessary documentation beyond what is regulation-required.