Which equipment is specifically used to test for loss of product and perform inventory control?

• A. Gauge stick
• B. ATG equipment
• C. Groundwater monitoring wells
• D. UST lining inspection

Answer: (B)

Automatic Tank Gauging (ATG) equipment measures tank contents automatically and supports ongoing inventory reconciliation, making it the tool used to test for loss of product and maintain accurate stock records. ATG uses sensors and probes to determine liquid level, temperature, and water presence, feeding this data into an inventory management system. By logging deliveries, withdrawals, and routine readings, it continually calculates current stock and can flag discrepancies that suggest product loss, leaks, or theft, enabling quick investigation.

Gauage sticks are manual and rely on periodic, hands-on measurements, which can be error-prone and miss rapid changes. Groundwater monitoring wells are for environmental monitoring of contamination, not inventory control. UST lining inspections check the tank’s internal condition, not stock levels.