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Brann Dn Tire, Claremont Ave. Waste Oil Tank Assess gent (2010) <br /> Seismic/Anchoring findings: The tank as designed and operated, and the <br /> containment area in which it is located are adequat anchored and are <br /> seismically sou d. Initials: <br /> Leak Test: <br /> The tank has bE en in service for 20 years. There is no evidence of tank failure by <br /> leaks, cracks or plastic deformation. The tank is a UL 142 listed tank. <br /> Brannon Tire -Claremont <br /> Waste Oil Tank UT Analysis <br /> _ Front Top <br /> Reading mm mm <br /> 1 1.9 2.9 <br /> 2 1.9 2.7 <br /> 3 1.9 2.6 <br /> 4 1.8 2.6 <br /> 5 1.9 2.7 <br /> 6 1.9 2.6 <br /> 7 1.9 2.7 <br /> 8 1.8 3.1 <br /> 9 1.9 2.6 <br /> 10 1.8 <br /> mm mm <br /> A\erage, mm 1.87 2.722222222 <br /> Standard De tion 0.048305 0.171593836 <br /> 4 sigma 0.193218 0.686375343 <br /> Maximum predicted pit depth 0.193218 0.686375343 <br /> Maximum allowable pit depth 0.6 1 1.452222222 <br /> Tank Wall is Okay <br /> Figure 15 <br /> UT Thickness Analysis <br /> Strandberg Associat s 1(866) 388-0404 (650) 329-8918 rwaterguyCcD_rwaterguy.com 17 <br />