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TANK ASSESSMENT Covey Auto Express Inc. 1444 EI Pinal Dr.,Stockton,CA 95205 <br /> Waste Oil Holding Tank Inspection 29 Aug 2012, D.K. Barber PE C 21,210, exp.9130115 <br /> Est.Tank Age: 7 years Certified Steel Tank Institute, Level II, AST AC18709 <br /> Est.Tank Life of Service: 30 years <br /> 480 GA double wall steel AST,Waste Oil Storage, Mfg.: Containment Solutions Inc., <br /> Bakersfield, CA 3/2007 22CCR§66265. <br /> Shape: Rectangular UL182 Double Wall "Eco Lube Cube" <br /> Orientation: Horizontal Reference Sketch in Calculations & Photo 192(k)(1) <br /> Height 36 IN, Length 105 IN, Width 37 IN <br /> Location: Above ground on reinforced Portland cement concrete shop floor 192(k)(2)(A) <br /> Thickness & method of determination: Secondary Exterior NDT Systems TG110-DL Ultrasound <br /> Mfg. data per Indoor Sales Rep-Elaine (666) 399-9556 192(k)(2)(B) <br /> Primary Shell 12 gauge steel (0.105 in) is fabricated to UL 142 standard, <br /> Secondary Shell 12 gauge steel (0.105 in) <br /> Lining material &thickness: None <br /> Corrosion Protection Equipment: None, exterior protective coating in good condition 192(k)(5) <br /> Structural Support: 3 @ Flat 2 IN Steel Channels Non-bolted Anchorage <br /> AST elevated approximately 1 IN above Portland cement concrete foundation pad <br /> Other identifying features: UL No. P794796, white enamel color finish <br /> Chemical compatibility findings:The materials noted In the material;storage section described above am <br /> compatible with the material of construction or lining material noted in the tank construction section above. <br /> Init els: <br /> Piping &Ancillary Equipment (pumps) 192(k)(2)(C&D) <br /> Piping Material of Construction: hydraulic hose <br /> Piping Size: 314 IN, not double wall but readily visible <br /> Pump Location: Inside shop, eastside bulk oil ASTs <br /> Pump type/Capacity: Allemite Pneumatic Diaphragm 12 GPM estimated capacity <br /> No Overfill by-pass w/auditable whistle but, pop up float actuated visual indicator is <br /> in primary tank <br /> Material Storage <br /> Material & Characteristics:Waste Oil-Used Engine, ATF, Hydr.Oil, Gear Oil 192(k)(8) <br /> Non-RCRA Hazardous Waste, Class III combustible liquid <br /> Specific Gravity: SpG 0.85 - 0.91 assume 0.91 <br /> Operating Capacity : Gross 480 GA Limit to 90% or 430 GA for Operating Capacity <br /> Visual Inspection 192(k)(9) <br /> Tank parameters at time of inspection: Partially full of waste oil <br /> Acute visual evidence of leaks: None <br /> Condition of interior surfaces: Interstitial void was dry, but minor deposit in bottom <br /> Condition of exterior surfaces: Paint Good condition <br /> Condition of nozzles, flanges, fittings at tank: Good condition, all topside <br /> Condition of piping: Good condition, no leaks <br /> Visual Inspection findings:A visual inspection of the tank and its affiliated pumps,pumping and ancillary <br /> equipment did not reveal signs of leaks,corrosion,weld cracks or breaks,or scrapes in the protective coating <br /> which may contribute to the likelihood of a release occurring from the tank system. A des tion of all <br /> discrepancies noted during the visual Inspection is included with this report. initials! ..f pt <br />