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<p>Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity</p> <p><b>New page</b></p><div>== Summary ==<br /> Main sources of uncertainty in fire safety engineering calculations. Based on Notarianni (2002), pp. 5-41–5-46, and Nowlen et al. (2005b), pp. 15-3 and U-2–U-3.<br /> <br /> Original illustration for [[Uncertainty analysis]], level 4 Expert.<br /> <br /> * Source basis: Notarianni (2002), pp. 5-41 (sources), 5-42 (aleatory and epistemic), 5-45 (five groups of scientific uncertainty), 5-45–5-46 (human behaviour, values); Nowlen et al. (2005b), pp. 15-3 (modelling and data uncertainties) and U-2–U-3 (aleatory and epistemic)<br /> * Alt text: Tree diagram: uncertainty splits into scientific, human behaviour and values; scientific splits into five groups; each is aleatory or epistemic.<br /> <br /> == Licensing ==<br /> New drawing by Fire Safety Academy. © Fire Safety Academy.</div>

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