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Hazardous Waste Tank System July <br /> Written Assessment per CCR Title 22 <br /> Applied Aerospace Structures, Inc., Stockton, CA 95206 2017 <br /> Tank Assessment Page Tank Name/marking: Reagent Mix Tank, Tank3 <br /> Tank age: 24 years, estimated <br /> Remaining service life: 10 years, inspect in 5 <br /> years <br /> Tank Construction: <br /> Shape: Cylindrical, flat bottom, closed top. <br /> Orientation: Vertical <br /> Location (above/below ground): Above ground <br /> Material of construction: LDPE <br /> Thickness and method used to determine: 0.32" by UTG <br /> Lining material & thickness (if applicable): N. A. <br /> Corrosion Protection equipment: Compatible <br /> Structural support: The tank rests on a steel stand which rests on <br /> concrete. <br /> Other identifying features: White <br /> Piping and ancillary equipment (pumps): <br /> Piping Material of Construction: Schedule 40 PVC pipe <br /> Piping Diameter: 1" <br /> Pump location(s): Adjacent to Tank <br /> Pump type(s)/capacities: Reagent Pump Stand, 3, air operated transfer <br /> pumps, 10 gpm <br /> Material Storage: <br /> Material and characteristics: Chrome treatment reagents, pH 2-10 <br /> Specific Gravity: 1.0 - LJ <br /> Operating Capacity: 90 gallons + <br /> AUG 0 2 2017 <br /> ENV1FIOM'iENTAL HEALTH <br /> DEPARTNr,ENT <br /> Strandberg Associates 1(866) 388-0404 rwaterguyCq)_rwaterguy.com 27 <br />