1.   Vice Minister for Transport Masahiko Koga said yesterday the ministry will ask shipping companies to use double-hulled tankers as a protection against oil leakage.

2.   Critics say that this could lead to underground oil leakage and contaminate ground water.

3.   Henney said that containment booms like the ones in place around the Independence before the accident occurred are frequently placed around moored ships as a precaution against oil leakage.

4.   The tanker was not carrying any oil at the time of the accident, and no oil leakage has been found.

5.   Investigations are under way to find the cause of the oil leakage, the spokesman said, and it is still unknown when the plant will start up again.

6.   A Coastguard Marine Patrol Unit was surveying possible pollution damage and a surveillance aircraft was monitoring for oil leakage.

7.   Two cargo ships collided off western Japan Sunday, but no injuries or oil leakage were reported, the maritime safety agency said.

8.   The Coastguard Marine Patrol Unit was surveying possible pollution damage and a surveillance aircraft was monitoring for oil leakage.