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Tank Assessment Pagc Tank 'Name: Pre Neutralizer Tank No. I <br /> Tank ages: Purchased new in 2016, <br /> Remairuing service life: Estimated 20 years. <br /> Tank Construction: <br /> Shape: Cylindrical, flat bottom, open top. <br /> Orientation: Vertical, <br /> Location: Above Ground. <br /> Material of Construction: High Density Crosslinked Polyethylene <br /> Thickness: 0.237' measured 6" below the top of tank wall using an ultrasonic, <br /> Page. <br /> Lining material and thickness: NA <br /> Corrosion protection equipment: NA <br /> Structural support: None_ <br /> Other identifying;features: Seamless, One Piece Construction,Natural, <br /> rotationally molded. <br /> Flows to tank No_ 2 which 15 equipped with level control to prevent overflow. <br /> Piping and ancillary equipment (pumps): <br /> Piping Material of Construction: holy Vinyl Chloride (.PVC), <br /> Piping Diameter: 3 in. <br /> Pump location: after tank No. 2. <br /> Pump type/capacity, centrifugal pump-40 gpn <br /> Material Storage: <br /> Materials and characteristics: WaMewater with pH between 2 and 12_ <br /> Specific Gravity: approx. 1 <br /> Operating Capacity: 500 gallons. <br /> Chemical compatibility findings: The materials identified above are compatible for <br /> contact with or proximity to the equipment, tank or tank system in this a_ssessmeut, <br /> Initials: <br /> Visual Inspection: <br /> Tank parameters at time of inspection: three in rise_ <br /> Acute visual evidence of leaks_ none. <br /> Condition of interior surface: good. <br /> Condition of exterior surface: good. <br /> Condition of nozzles,flanges, fittings at tank: good. <br /> Condition of piping; good, <br /> Visual Inspection findings: A visual inspection of the tank and its affiliated pumps, <br /> piping,and ancillary equipment did not reveal signs of leaks, corrosion, weld cracks oz <br /> breaks, or scrapes in protective coating which may cause a release from the tank system. <br /> A description of all discrepancies noted during the visual inspection js included with this <br /> report. Initials: +� � <br /> C:alifozm.ia Tank Lines, Inc. Wastewater Processing Tanks (3) <br />