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/m^3		22.74	54.18	138%	2000–2015	Half-yearly
Disposal hole; USD/m^3		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