June 10 1999

The Press Release Concerning Receipt of a Confirmation Certificate for Off-Site Radioactive Waste Disposal, and the Result of Inspections and Measurements of Phase IV Returned Vitrified Waste(1st cask, 20 canisters)

Chubu Electric Power Company Japan Atomic 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 3 and July 14 1998, 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 20 canisters for which the confirmation certificate was received today are scheduled to be installed in JNFL storage pits tomorrow.

[Supplement]

Results of Phase IV Returned Vitrified Radioactive Waste Inspection and measurement (1st cask, 20 canisters) Japan Nuclear Fuels Limited conducted inspections and measurements of 20 canisters(10 for Chubu Electric Power Company, and 10 for Japan Atomic Power Company) out of a total of 40 canisters of Returned Vitrified Radioactive Waste received on April 15 1999, 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 May 12 to June 2 1998. The results confirmed that the canister count was correct, and that the waste therein met all standards for the 7 criteria. In conclusion, 20 canisters out of 40 canisters received were confirmed ready for safe storage and management at the Vitrified Waste Storage Centre.