May 22 2000

The Press Release Concerning Receipt of a Confirmation Certificate for Off-Site Radioactive Waste Disposal, and the Result of Inspections and Measurements of Phase V Returned Vitrified Waste (2nd cask, 28 canisters)

Tokyo Electric Power Company Japan Nuclear Fuel Limited

The above parties announced that the electricity companies which own the vitrified waste received a confirmation certificate from the director of the Science and Technology Agency today, regarding an application dated June 10 1999, to confirm off-site disposal of radioactive waste. Inspections and measurements of 7 criteria were conducted by Japan Nuclear Fuel Limited. The results are stated in the accompanying attachment. The 28 canisters for which the confirmation certificate was received today are scheduled to be installed in JNFL storage pits in the afternoon today.

[Supplement]

Results of Phase V Returned Vitrified Radioactive Waste Inspection and Measurement (2nd cask, 28 canisters)

Japan Nuclear Fuels Limited conducted inspections and measurements of 28 canisters (for Tokyo Electric Power Company) out of a total of 104 canisters of Returned Vitrified Radioactive Waste received on February 23 2000, to confirm that the waste can be stored and managed safely at the JNFL Vitrified Waste Storage Centre. Seven inspection and measurement criteria were applied: (1) heat emission (2) appearance (3) size (4) weight (5) radioactive levels (6) surface cleanliness (7) confinement test Inspections and measurements were conducted from April 17 to May 16 2000. The results confirmed that the canister count was correct, and that the waste therein met all standards for the 7 criteria. In conclusion, 28 canisters out of the 104 canisters received were confirmed ready for safe storage and management at the Vitrified Waste Storage Centre.