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IV. GENERAL REQUIREMENTS FOR SPCC PLANS (40 CFR 112.7) <br /> A. Evaluation of Discharge Potential (40 CFR 112.7(b)) <br /> For each potential release scenario, the spill pathway, maximum spill volume, and rate of flow are <br /> presented on Table 4. <br /> Table 4 <br /> Evaluation of Spill Potential <br /> Maximum <br /> spill volume Maximum <br /> Potential Event (gallons) discharge rate Direction of Flow Secondary Containment <br /> Outdoor Oil Storage Area(Aboveground Storage Tanks No. 1 and No.2) <br /> Tank failure 10,000 Gradual to West to Duck Creek Concrete dike <br /> *TANK WAS instantaneous <br /> TEMPORARILY <br /> REMOVED FROM SITE <br /> 2-12-20. PENDING <br /> ACQUISITION OF A <br /> NEW TANK <br /> REPLACEMENT* <br /> Tank overfill from tanker 7,600 40 gal/min West to Duck Creek Concrete dike <br /> Underground pipe failure or 1,000 < 1 gal/min Contained in soil and None <br /> leak potentially <br /> discharged to ground <br /> water <br /> Hose leak at fuel dispensers 10,000 <5 gal/min West to Duck Creek Storm water holding pond <br /> for site drainage <br /> Tanker failure or hose leak 7,600 <40 gal/min West to Duck Creek Storm water holding pond <br /> during filling for site drainage <br /> Indoor Oil Storage Area <br /> Tank Failure 600 Gradual to West to Duck Creek- Metal catch pan <br /> instantaneous (insufficient volume). <br /> Remainder to storm water <br /> holding pond <br /> Tanker failure or hose leak 800 <40 gal/min West to Duck Creek Storm water holding pond <br /> during filling for site drainage <br /> Hose leak during truck 1 to 300 60 gal/min West to Duck Creek Storm water holding pond <br /> loading for site drainage <br /> Repair Shop <br /> Pump or hose failure 600 Gradual to West to Duck Creek Storm water holding pond <br /> instantaneous for site drainage <br /> -11- <br />