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Tank Assessment Pale Tank Narne: Pre Neutralizer] ank No. 1 <br />Tank ages: Purchased new in 2016. <br />Remaining service life: Estimated 20 years. <br />Tank Construction: <br />Shape: Cylindrical. flat hottom, open top. <br />Orientation: Vertical. <br />Location: Above C hound. <br />Material of Constniction: High Density Crosslinked Polyethylene <br />Thickness: 0.237' measured 6" below the top of tank wall using an ultrasonic <br />gage - <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. ?. which is equipped with level control to prevent overflow. <br />Piping and ancillary equipment (pumps): <br />Piping Material ot-C;onstruction: Poly Vinyl Chloride (PVC). <br />Piping Diameter: -3 in. <br />Pump location: atter tank No. 2. <br />Pump typeicapacity: centrifugal pump - 40 gpm <br />;Material Storage - <br />Materials and characteristics: Wastewater 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 assessment. <br />Initials: Q_ �-' <br />Visual Inspection: <br />Tank parameters at time of inspection: three in use_ <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 piP n ; 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 or <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 is included with this <br />report. Initials: ' I' <br />Califorrcia'i'ank Lines, Inc.. Wastewater Processing "Tanks (3) <br />