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Tank Assessment Page Tank Name/marking: 'Waste Oil — Used Oil <br />Tank age: New, < 1 yr. <br />Remaining service life: Greater than 20 years <br />Tank Construction: <br />Shape: Rectangular <br />Orientation: Horizontal <br />Location (above/below ground): Above Ground <br />Material of construction: Steel <br />Thickness and method used to determine: UTG <br />Lining material & thickness (if applicable): unlined <br />Corrosion Protection equipment: none, compatible with waste oil. <br />Structural support: UL 142. Anchored on concrete floor. <br />Other identifying features: Containment Solutions R51769 <br />Ultrasonic Thickness Gauge readings for the exterior of the waste oil holding <br />tank: <br />Stockton Nissan <br />Waste Oil Tank U.T. Measuremer <br />September, 2008 <br /># mm <br />m = 5900 n <br />1 <br />3.8 <br />2 <br />3.7 <br />3 <br />3.7 <br />4 <br />3.7 <br />5 <br />3.7 <br />6 <br />3.7 <br />7 <br />3.7 <br />8 <br />3.7 <br />9 <br />3.6 <br />10 <br />3.6 <br />11 <br />3.6 <br />12 <br />3.7 <br />13 <br />3.7 <br />average <br />3.68 <br />std. dev. <br />0.055 <br />UL 142 std <br />236 <br />F_ 1 <br />LJ <br />Stockton Nissan 'Waste Oil Storage Tank <br />