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15 February 2016 AdvancedGeo <br /> AGE Project No. 12-2181 Environmental <br /> Page 11 of 23 <br /> Discharge to closest navigable waters is not a potential, therefore facility staff gauge <br /> and monitor all discharges. <br /> 3.6. PRACTICABILITY OF SECONDARY CONTAINMENT (40 CFR 112.7(d)) <br /> The Facility management has determined that secondary containment is practicable at <br /> this facility and the facility has secondary containment. <br /> 3.7. INSPECTIONS, TESTS, AND RECORDS (40 CFR 112.7(e)) <br /> As required by the SPCC rule, the Facility performs the inspections, tests, and <br /> evaluations as summarized in Table 6. The inspections and tests are described later in <br /> this section, and in the respective sections that describe different parts of the facility <br /> (e.g., Section 4.2.6 for ASTs). <br /> 3.7.1. Daily Inspection <br /> A Facility employee performs a complete walk-through of the Facility each day. This <br /> daily visual inspection involves: (1) looking for tank/piping damage or leakage, stained <br /> or discolored surface hardscape, or excessive accumulation of water in berm areas and <br /> (2) verifying that the drains are correctly working. <br /> 3.7.2. 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, leaks, <br /> 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 as well as the soil 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 />