It was still operating at only 43 percent of its 280-megawatt capacity when the liquid sodium used as a coolant began leaking from the secondary cooling system on the evening of Dec . 8.
32.
The " Valiant " s had long careers : " Warspite " was decommissioned in 1991, and " Valiant " in 1994, due to cracks being discovered in her primary to secondary cooling system.
33.
The 280, 000-kilowatt reactor at Tsuruga, 335 kilometers ( 210 miles ), west of Tokyo, was running at only 40 percent capacity when a secondary cooling system, far from the core, ruptured Friday night.
34.
We were very lucky this time, because the problem was in a secondary cooling system far from the reactor core, and the reactor is running at low power because it is in a testing stage,
35.
Tons of non-radioactive sodium spewed from a secondary cooling system at the plutonium-based Monju reactor in Tsuruga, 330 kilometers ( 205 miles ) west of Tokyo, on Dec . 8, forcing operators to shut down the plant.
36.
The latest accident follows one in December 1995 in which a sodium leak in a secondary cooling system forced an emergency shutdown at the fast-breeder reactor in Tsuruga, 350 kilometers ( 220 miles ) west of Tokyo.
37.
During an accident at the Monju plant west of Tokyo in December 1995, operators delayed 90 minutes before shutting down a damaged fast-breeder reactor, leading to a spill of tons of caustic sodium in a secondary cooling system.
38.
The Tokyo-based company received three letters from a man who used to work for a subcontractor in western Japan saying he had improperly welded steel plates used to support pumps in the secondary cooling system of nuclear power plants.
39.
No one was injured in that accident, a sodium leak in a secondary cooling system, and no radioactivity escaped, but Donen was found to have concealed videotape footage that showed the extensive damage to the reactor . ( js-jc-bks)
40.
No one was injured in that accident, a sodium leak in a secondary cooling system, and no radioactivity escaped, but Donen was found to have concealed videotape footage that showed the extensive damage to the reactor . ( bks)