California ICC UST Service Technician Practice Exam 2025 - Free UST Technician Practice Questions and Study Guide

Manual inventory reconciliation is no longer considered an approved method for non-visual monitoring of existing UST systems. This method involves keeping track of the inventory levels through periodic manual checks and calculations to identify discrepancies that may indicate leaks. However, this approach lacks the reliability and accuracy necessary for detecting leaks in a timely manner.

As technology and regulatory standards have advanced, methods such as statistical inventory reconciliation and automated leak detection have emerged as more effective ways to monitor underground storage tanks. These methods utilize data analysis and automated systems to provide more timely and reliable detection of potential leaks. Monthly testing, while still relevant, is generally considered more of a verification method rather than a primary non-visual monitoring technique. The move away from manual inventory reconciliation reflects a broader trend towards more sophisticated and effective monitoring methods that enhance environmental protection and compliance with regulations.