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25 October 2019 AdvancedGeo <br /> AGE Project No. 99-0637 Environmental <br /> Page 9 of 19 <br /> tertiary containment structures, such building walls, to the center of the Facility where <br /> cleanup can occur (Figure 2). Facility staff gauge and monitor all discharges, during a <br /> spill. A spill would be removed (i.e. vacuum truck) and disposed of to a treatment facility <br /> under manifested tracking record. <br /> 4.4.6. Practicability of Secondary Containment— 40 CFR 112.7(d) <br /> Facility management has determined that secondary containment is required at this site <br /> for all of the ASTs, including 55-gallon drums. <br /> 4.5. INSPECTIONS, TESTS, AND RECORDS - 40 CFR 112.7(e) <br /> As required by the SPCC rule, the Facility performs the inspections, tests and evaluations <br /> as summarized in Table 6. Daily, monthly and annual inspection requirements are <br /> described later in this section. <br /> 4.5.1. Daily Inspection <br /> A Facility employee performs a complete walk-through of the Facility each day. This daily <br /> visual inspection involves: (1) looking for tank/piping damage or leakage, stained or <br /> discolored surface hardscape, or excessive accumulation of water in berm areas and (2) <br /> verifying that the drains are correctly working. This inspection is informal, and issues are <br /> noted, if any, are documented on a daily summary report. <br /> 4.5.2. Monthly Inspection <br /> The checklist provided in Appendix B is used for monthly inspections by Facility <br /> personnel. The monthly inspections cover the following key elements: <br /> • Observing AST exterior, pipes and other equipment for signs of deterioration, <br /> leaks, corrosion and thinning. <br /> • Observing AST foundations and supports for signs of instability or excessive <br /> settlement. <br /> • Observing AST fill and discharge pipes for signs of poor connection that could <br /> cause a discharge, and AST vent for obstructions and proper operation. <br /> • Observing the constructed secondary containment berm condition. <br /> • Verifying the proper functioning of overfill prevention systems. <br /> • Checking the inventory of discharge response equipment and restocking as <br /> needed. <br />