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IDesign of tank: <br />The concrete floor is in good condition and free of any major cracking. The tanks <br />piping is 1" copper pipe with brazed connections. The tank system has two air <br />operated diaphragm pumps for pump oil from the collection stations to the tank. <br />Inspection of the pumps and plumbing did not show any signs of leakage. The <br />' piping is well supported and meets the criteria of ASME B31.3. for process <br />piping. <br />Secondary Containment findings: The secondary containment system s of <br />sufficient capacity and condition for the containment of releases from all nks <br />and ancillary equipment. Initials: <br />i <br />1 Stockton Nissan Waste Oil Storage Tank <br />The tank is a 1000 gallon steel rectangular tank mounted horizontally. It is a UL <br />142 listed tank and has integral secondary containment and is less than one year <br />old. The tank is secured to the concrete floor by four 1/2" anchor bolts. The tanks <br />is raised off the floor 2" providing a continuous release detection method. The <br />tank is fitted with a level gauge and overfill protection which alarms if the tank's <br />contents reach 90 percent of the tank volume. The overfill protection and level <br />gauge were tested and were found to be in good working condition and properly <br />calibrated. The tank was inspected internally and externally a was found free of <br />leaks, cracked welds and scraps. The steel tank is uncoated internally. The bare <br />steel is compatible with waste motor oil. The tank's exterior is painted with a <br />black industrial enamel which is free of any sign of corrosion scrapes or nicks. <br />Inspection of the interstice found it dry and free on any signs of leakage or <br />' <br />condensation. <br />The concrete floor is in good condition and free of any major cracking. The tanks <br />piping is 1" copper pipe with brazed connections. The tank system has two air <br />operated diaphragm pumps for pump oil from the collection stations to the tank. <br />Inspection of the pumps and plumbing did not show any signs of leakage. The <br />' piping is well supported and meets the criteria of ASME B31.3. for process <br />piping. <br />Secondary Containment findings: The secondary containment system s of <br />sufficient capacity and condition for the containment of releases from all nks <br />and ancillary equipment. Initials: <br />i <br />1 Stockton Nissan Waste Oil Storage Tank <br />