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Test Protocol (cont.) Cross Section of Convault Air Void Leak Detection Port r Fluid T } LeakDetection Tube w r Interstice(between - PrimaryandSecondary) Case:Steel tank has been breached Result:Fuel is trapped by liner and is easily detected with probe b. If the rod is wet then the inspector must determine the nature of the liquid,water or fuel. 1. If the liquid on the inspection rod is waterthen rainwater has entered the system due to inspection port cap being left off or water has entered the system due to a gap between the concrete outer layer and plumbing on top of the tank. The water should be extracted from the tank interstice. Consult with ConVault or the manufacturer of your ConVault or call 1-800-965-3227 for recommendations as to water removal techniques. c. If the rod is wet and smells of fuel or oil or has a sheen then: 1. The owner/user should be notified immediately. 2. It is possible that fuel or oil was introduced into the interstice through the inspection port.The fuel or oil should be extracted from the interstice. At this point and after complete extraction of the fuel or oil the rod should be re-introduced into the inspection port to check for the presence of fuel or oil.If the interstice contains fuel,after pumping out the fuel,the fuel entrapped in the secondary containment will flow down and fuel might be seen in the leak detector tube again. In this case,the best way of insuring the integrity of the primary tank is a pressure or vacuum test, using the ConVault testing manual:www.convault.com/testingmanual.pdf 3. The inner steel primary containment tank may have leaked and the tank should be tested to determine if primary has failed At this point,the owner/user should contact the installer or manufacturer of the ConVault or calls-800-695-3227 for recommended next steps.