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<br />EXCEEDENCE INTERVAL IN YRS.
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<br />III
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<br />99,99
<br />nil
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<br />99,9 99,8
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<br />10
<br />9
<br />8
<br />
<br />7
<br />
<br />99
<br />
<br />98
<br />
<br />95
<br />
<br />90
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<br />80
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<br />0.5
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<br />70
<br />
<br />60
<br />I
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<br />50
<br />I
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<br />40
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<br />30
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<br />20
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<br />5
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<br />10
<br />
<br />2
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<br />0,2 0,1 0,05
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<br />0,01
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<br />
<br />FIGURE
<br />
<br />70
<br />
<br />80
<br />
<br />90
<br />
<br />95
<br />
<br />98
<br />
<br />99
<br />
<br />99.8 99.9
<br />
<br />99.99
<br />
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