Research Article
Cost Estimation and Efficiency Analysis of Korean CANDU Spent Fuel Disposal Alternatives in Consideration of Future Price Volatility
Table 3
Characteristics of the collected data.
| Cost driver | Price volatility | Collection period | Data types | 2000 (2004) | 2015 | Growth rate |
| Tunnel excavation USD/m3 | 22.74 | 54.18 | 138% | 2000–2015 | Half-yearly |
| Disposal hole USD/m3 | 561.45 | 1,337.62 | 138% | 2000–2015 | Half-yearly |
| Bentonite USD/ton] | 432.94 | 551.78 | 27% | 2004–2015 | Half-yearly |
| Canister USD/kg | Cast iron | 1.44 | 2.55 | 76% | 2000–2015 | Half-yearly | Copper plate | 3.48 | 7.31 | 110% | 2000–2015 | Half-yearly | Copper powder | 22.07 | 45.84 | 108% | 2000–2015 | Half-yearly |
| Backfilling USD/kg | 148.44 | 189.18 | 27% | 2004–2015 | Half-yearly |
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