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A. Waste Oil Tank Continued: <br />7. Secondary Containment: <br />Tank has integral secondary containment. The oil collection trough is emptied <br />every day with visual inspection to monitor for leaks. <br />8. Hazardous Characteristics of Waste: <br />Used motor oil is combustible (not flammable). <br />9. Result of Visual Inspection: <br />This system is simple and compact which allows for daily visual inspections <br />which will immediately identify problems. There is no evidence of weld cracks, <br />corrosion, deterioration or structural inadequacies. <br />10. Results of Tightness Test: <br />An inspection has been performed to verify the integrity of the waste oil system. <br />The pressurized system and vented tank have no leaks. <br />11. Estimated Remaining Service Life: <br />If this system is maintained and visually inspected for leaks and minor repairs, it <br />should function properly for at least another 20 years. <br />B. Waste Antifreeze Tank: <br />1. Tank Configuration: <br />Above ground, rectangular, steel tank with integral secondary containment. 450 <br />gallon capacity. Anchored to concrete slab through steel anchor plates and 5/8" <br />diameter bolts at four locations. Tank setting allows visual inspection at all sides. <br />2. Design Standards: <br />a) Steel tank: UL Listing 142. <br />b) Material thickness of inner tank is not accessible to determine thickness. Visual <br />inspection identified no corrosion. <br />c) Steel collection trough with containment tray. 1" diameter, steel reinforced <br />rubber suction hose from containment tray to pump. Visual inspection <br />identified no leaks. <br />3. Documented Age of Tanks: <br />Tank is eight years old, and in good condition. Estimate remaining service life to <br />be twenty years. Recommended re -inspection in five years. <br />4. Leak Detection: <br />Tank is equipt with interspacial leak monitor that activates an audible alarm. <br />5. Corrosion Protection: <br />The tank has the original factory paint coating and is in good condition with no <br />visible signs of corrosion. <br />6. Overfill Protection: <br />Tank is equipt with a level gauge, with an alarm that sounds when tank reaches <br />90% full. Alarm will stop transfer pump. <br />7. Secondary Containment: <br />Tank has integral secondary containment. The oil collection trough is emptied <br />every day with visual inspection to monitor for leaks. <br />