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_1 <br /> OUR4Y SILVER MwvEs <br /> Table 3.2 Inspection and Testing Program <br /> Facility Component Action Frequency/Circumstances <br /> Above ground container with Test container integrity by Scheduled monthly/annual <br /> all sides visible visual inspection. inspections. <br /> Inspect container for signs of Following material repairs. <br /> deterioration and leakage. <br /> Container supports and Visual inspection. Scheduled monthly/annual <br /> foundation. inspections. <br /> Following material repairs. <br /> Liquid level sensing devices Test for proper functioning. Scheduled monthly/annual <br /> inspections. <br /> Lined berms and site berms Visual inspection for signs of Scheduled monthly/annual <br /> deterioration or presence inspections. <br /> of oil. Prior to draining. <br /> Above ground piping,valves Assess general condition of Scheduled monthly/annual <br /> and appurtenances. components. inspections. <br /> Buried piping Inspect for deterioration and At installation. <br /> None currently present signs of leakage. Whenever a section of pipe is <br /> exposed. <br /> 3.6.1 Daily Inspection <br /> OSMI employees perform an undocumented walk-through of the facility each day during <br /> normal operations. This daily visual inspection involves: <br /> • Tank/piping damage or leakage; <br /> • Stained or discolored soils; <br /> • Excessive accumulation of water in containment; and <br /> • Damage to secondary containment. <br /> 3.6.2 Monthly Inspection <br /> Monthly inspections are comprehensive and involve the following key elements: <br /> ■ Observe the exterior of all containers, pipes and other equipment for signs of <br /> deterioration such as leaks, corrosion and thinning; <br /> • Observe tank foundations and supports for signs of instability or settlement; <br /> • Observe pipes, valves and appurtenances for signs of poor connection or leakage; <br /> Spill Prevention Control and Countermeasure Plan 16 1 P a `a e <br />