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<br />MAINTENANCE INSTRUCTION FOR SPILL CONTAINER <br />1. Quarterly, clean and inspect inside and outside of container. <br />2. Quarterly, check condition of hinge, locking mechanism, and drain apparatus. <br />Replace if necessary. <br />MAINTENANCE INSTRUCTION FOR TANK VENT <br />1. Visual check daily for any obstruction on top of vents that would prevent <br />operation. <br />2. Quarterly check the operation of vent by checking for any internal obstruction <br />of the vent and screen if applicable. Clean as needed. <br />MAINTENANCE INSTRUCTION FOR EMERGENCY VENTS <br />1. Visual check daily for any obstruction on top of emergency vents that would <br />prevent its operation. <br />2. Quarterly check the operation of the emergency vents by lifting the top and <br />check for any internal obstruction of the emergency vent and screen if <br />applicable. <br />0 3 Annually check o-ring/gasket for damage or deterioration. <br /> <br />RING <br />T[F <br />ASE <br />Diagram of Emergency Vent <br />AST Inspection Standard 11 September 2000 <br />J?E.LI\ V I\L IRII\Lt?