1.   But the urgency is driven more by a possibility of dangerous leaks than by a fear of terrorist assaults.

2.   Foley of the Pacific Northwest Laboratory, who is a hydrologist, said the injection sites had to be studied carefully to assess their potential for dangerous leaks.

3.   The state had also charged the utility with allowing dangerous leaks and spills throughout its large network of high-voltage cables, most underground.

4.   Officials have cut gas service for fear of causing dangerous leaks of highly flammable natural gas.

5.   The United States has not detected any dangerous leaks after the latest French nuclear tests in the south Pacific, a US official said Wednesday.