| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| NB/T 20489-2018 | English | RFQ | ASK | Days<=3 | (Nuclear power plant event root cause analysis method) | NB/T 20489-2018 | Valid | NB/T 20489-2018 |