// CODE SNIPPET
3404.2.9.4 Aboveground Tank Overfill Prevention
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Aboveground tanks shall not be filled in excess of 95 percent of their capacity. An approved overfill prevention system shall be provided for each tank. During tank-filling operations, the system shall automatically shut off the flow of liquid to the tank when the quantity of liquid in the tank reaches 95 percent of tank capacity. For rigid hose liquid-delivery systems, an approved means shall be provided to empty the fill hose into the tank after the automatic shutoff device is activated.