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' 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 sound. Initials: <br /> 1 <br /> Leak Test: Tank has been in service for five years. Visual inspection did not <br /> t show any evidence of tank leakage, weld cracks or significant corrosion. UT <br /> analysis shows the tank to be in as built condition. <br /> 1 9 <br /> Nif <br /> 4 <br /> 1 <br /> ' Figure 6, Picture of the Oil Tank Interstice <br /> ' Tracy Hyundai Waste Oil Tank <br /> Top Side <br /> Reading mm in mm in <br /> 1 3.3 0.13 3 0.12 <br /> 2 3.2 0.13 3.1 0.12 <br /> 3 3.2 0.13 3.1 0.12 <br /> ' 4 3.2 0.13 3.1 0.12 <br /> 5 29 0.11 3.2 0.13 <br /> 6 2.5 0.10 3.1 0.12 <br /> 7 2.6 0.10 3 0.12 <br /> 8 3 0.12 3.1 0.12 <br /> 9 2.8 0.10 3.1 0.12 <br /> ' 10 2.8 0.11 <br /> average 2.944444 0.115923 3.06 0.120472 <br /> standard deviation 0.308671 0.012152 0.107497 0.004232 <br /> ' Figure 7, UTG readings on tank shell and piping. Small Standard Deviation indicates little <br /> or no internal corrosion. <br /> ' Tracy Hyundai 9 Oil Tank <br />