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Brown Sand,Inc. <br /> Spill Prevention, Control, and Countermeasures Plan Page: 20 <br /> June 3, 2020 <br /> 3.5.7 Service Truck(Map Location #8) <br /> The service truck is housed within an earthen berm spill containment area when not <br /> fueling and servicing equipment around the facility. The spill containment volume <br /> is approximately 2,758 gallons, which is more than adequate to contain any spills <br /> or leaks resulting from any type of tank or product line failure. Facility spill <br /> response procedures are closely followed as outlined in the Spill/Discharge <br /> Response Plan, Section 4.0. <br /> 3.6 Drainage Control, Diversionary Structures, and Containment(40 CFR <br /> 112.7(c)) <br /> Storm Water Management <br /> The maintenance yard is graded in such a way as to move storm water to the southwest <br /> where is flows down to the truck parking area, where it collects in a depressed ponding <br /> area(Figure 6). Storm water captured in the depressed ponding area is allowed to percolate <br /> into the ground and evaporate into the atmosphere. All spills and leaks that would not be <br /> held within secondary spill containment structures would flow in this direction as well. <br /> The truck parking area is designed with a depressed ponding area that is approximately <br /> 500' x 190'. The area would be more than sufficient in containing any catastrophic event <br /> and prevent off site discharge, effectively protecting the navigable waters of the State of <br /> California. <br /> 3.7 Practicability of Secondary Containment(40 CFR 112.7(d)) <br /> Brown Sand, Inc. has determined that secondary containment is practicable at this facility <br /> and is discussed in Section 3.4.2 of this Plan. <br /> 3.8 Inspections/Record Keeping(40 CFR 112.7(e)) <br /> As required by the SPCC rule, facility inspections, tests, and evaluations are conducted <br /> daily, monthly, and annually to all aboveground storage tanks and their apparatus <br /> (Appendix D). Daily inspections will include a visual inspection of all aboveground <br /> storage tanks and associated pipes,and all dispensers. Monthly and annual inspections will <br /> be performed in a more detailed manner by personnel knowledgeable of the tanks and their <br /> components. All monthly and annual inspections will be documented on a Monthly or <br /> Annual Inspection Log(Appendix E) and will be maintained for a minimum of three years <br /> with the SPCC plan. In addition,integrity testing or environmental equivalence to integrity <br /> testing will be performed on all ASTs. The recommendations for integrity testing are based <br />