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Brown Sand,Inc. <br /> Spill Prevention, Control, and Countermeasures Plan Page: 15 <br /> June 3, 2020 <br /> Mode of Failure Maximum Rate of Flow Direction of Flow <br /> Quantity <br /> 1,000 gallons Contained within vaulted concrete <br /> Failure instantaneous Storage Tank Leak or Based on the largest Gradual o secondary containment capable of <br /> tank size s containing 5,365 gallons. <br /> Not greater than 10 A spill resulting from a tank <br /> GPM,based on pump overfilling would be contained <br /> Tank Overflow < 10 gallons rate and response Within secondary vaulted concrete <br /> time of 1 minute containment structure capable of <br /> containing 5,365 gallons. <br /> Not greater than 10 A spill resulting from the tank <br /> connections would be contained <br /> Tank Loading and < 10 gallons GPM,based pump within secondary vaulted concrete <br /> Unloading rate and response <br /> time of 1 minute containment structure capable of <br /> containing 5,365 gallons. <br /> Not greater than 10 A spill resulting from a tank <br /> GPM,based on pump overfilling would be contained <br /> Dispensing < 10 gallons rate and response Within secondary vaulted concrete <br /> time of 1 minute containment structure capable of <br /> containing 5,365 gallons. <br /> 3.5.2 On Road Diesel Tank(Map Location #2) <br /> This area contains one (1) 6,000-gallon single walled aboveground storage tank <br /> containing diesel fuel that is located within a concrete secondary containment <br /> structure. The following table summarizes the possible modes of failure,maximum <br /> quantities, rates of flow, and direction of flow for a spill in this area. Facility spill <br /> response procedures are closely followed as outlined in the Spill/Discharge <br /> Response Plan, Section 4.0. <br />