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Hazardous Waste Tank System Nov <br /> Written Assessment per CCR Title 22 2022 <br /> Applied Aerospace Structures Inc. 34375 South Airport Way,Stockton.CA 95205 <br /> Tank Assessment Page Tank Name/marking: Acid Drum, <br /> Tank age: 5 years, estimated <br /> Remaining service life: 25 years, inspect in 5 <br /> years <br /> Tank Construction: <br /> Shape: Cylindrical, closed top, flat bottom <br /> Orientation: vertical <br /> Location (above/below ground): Above ground <br /> Material of construction- polyethylene <br /> i Thickness and method used to determine: 0.09" by similarity <br /> _ Lining material & thickness (if applicable)- N. A. <br /> Corrosion Protection equipment: Compatible <br /> Structural support: The drum rests withing a polyethylene secondary <br /> containment tank which rests on a concrete floor. <br /> Other identifying features: Blue and black <br /> Piping and ancillary equipment (pumps): <br /> Piping Material of Construction: polyethylene <br /> Piping Diameter- '/2" <br /> Pump location(s): Withing 10 feet of drum, within secondary containment <br /> Pump type(s)/capacities: AODP, 2 gpm <br /> Overfill protection: Drum is filled offsite by the chemical supplier. <br /> Material Storage: <br /> Material and characteristics: Sulfuric Acid reagent 36 percent, corrosive . <br /> liquid <br /> Specific Gravity'. 1.27 <br /> Tank Capacity: 55 gallons <br /> s <br />