31.   However, Pittermann emphasized that the problems were not related to the nuclear part of the plant and no radioactive leaks occurred.

32.   Investigators said the leak occurred after workers began removing an old pipe before it was entirely purged of gas.

33.   It added that no explanation was offered as to how the leak occurred.

34.   Investigators also said the local utilities board failed to provide appropriate emergency response when the gas leak occurred.

35.   It was not revealed where the leak occurred or how it was caused, although Shell says it believes it was the result of sabotage.

36.   JCO, in fact, has no idea what will be done with the nondescript, concrete building where the leak occurred.

37.   KBS, quoting police, had said that the gas leak occurred hours after the U.S. insurance company received an anonymous call threatening to blow up the building.

38.   Local officials protested they were not informed until an hour after the leak occurred.

39.   Nelson said there was evidence several gasoline leaks had occurred over an extended period of time under the deck, where there also was evidence of recent electrical short-circuiting.

40.   Officials said the leak occurred in a vent line outside the shuttle, at the base of the launch platform.