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• <br />• <br />ABOVEGROUND STORAGE TANK PERIODIC INSPECTION <br />CHECKLIST <br />Frequency Date t By Section Item to check Comments <br />Monthly 4.2 Water in tank(s) <br /> ! <br />{ 4.3 Tank interstice, <br />Leak detection <br /> 4.4 Pipe connections <br />Monthly 4.2 Water in tank(s) <br /> 4.3 Tank interstice, <br />Leak detection <br /> 4.4 Pipe connections <br />Quarterly 4.2 Water in tank(s) <br /> 4.3 Tank interstice, <br />Leak detection <br /> 4.4 Pipe connections <br /> 4.5 Exterior <br /> 4.6 Vents, <br />Emergency Vents, <br />Spill Containers <br />Monthly 4.2 Water in tank(s) <br /> 4.3 Tank interstice, <br />Leak detection <br /> 4.4 Pipe connections <br />Monthly 4.2 Water in tank(s) <br /> 4.3 Tank interstice, <br />Leak detection <br /> 4.4 Pipe connections <br />Quarterly 4.2 Water in tank(s) <br /> 4.3 Tank interstice, <br />Leak detection <br /> 4.4 Pipe connections <br /> 4.5 Exterior <br /> 4.6 Vents, <br />Emergency Vents, <br />Spill Containers <br />0 AST Inspection Standard 12 September 2000