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STI External Tank Inspection <br /> UPRR—Stockton yard,Stockton,CA TNKO-0295 <br /> June 2019 <br /> anteagroup <br /> 1.0 Tank Description <br /> Tank ID Number TNKO-0295 <br /> Tank Location(Area#) Stockton yard,Stockton,CA(Wastewater Treatment Plant) <br /> Tank Owner UPRR <br /> Tank GPS Coordinates 37.93342, -121.27217 <br /> Tank Serial Number None <br /> Tank Placement Aboveground <br /> Date of Installation 1978 According to facility operator <br /> 1991 According to UPRR records <br /> Date of Last Tank Inspection 12/4/2009 on tank—Title 22/Antea Title 22—7/2014 <br /> Total Capacity 10,000 gallons <br /> Number of Compartments 1 <br /> Compartment Capacities 10,000 gallons <br /> Content of Compartment#1 Used Oil—Recovered oil from oil skimmer <br /> Content of Compartment#2 NA <br /> Content of Compartment#3 NA <br /> Product Specific Gravity 0.93 <br /> TANK CONSTRUCTION : DETAILS <br /> Date of Tank Construction(Plate) Unknown <br /> Date of Tank Installation 1978 or 1991 <br /> Manufacturer Unknown,no tank tag present <br /> Orientation/Shape Vertical,cylindrical <br /> Tank Dimensions(LxWxH) or 10 feet diameter x 16 feet high <br /> (diameter x H) <br /> Number of Tank Walls Single <br /> Form of Construction Shop Built <br /> Construction Standards UL 142(Assumed) <br /> Manifolded No <br /> Shell Material/Tank Type UL 142 Aboveground tank—Coated steel <br /> Insulation Present No <br /> Access Method NA <br /> Original Shell Thickness Unknown. No tank plate or standard plate present. Assumed 0.240 <br /> according to UL 142 Standard <br /> Tank mating/paint condition Tank is painted grey.Tank paint is in good condition <br /> Does the tank steel exhibit any Minor corrosion at base of tank and anchor brackets and edge of bottom <br /> Dents,Buckling,Bulging, plate. <br /> Corrosion,Cracking,or Pits? <br /> Pit Depth Measurements NA <br /> Tank roof condition,low points No low points or standing water. Roof is conical shape. <br /> or standing water? <br /> Tank Corrosion Tank is painted grey and is in good condition. <br /> Protection <br /> XINOGEN* <br /> 1 us.artteagroup.com <br />