The reactor, called the High Flux Beam Reactor, opened in 1965 and is used by physicists, materials scientists, medical researchers and others.

In 1986, the laboratory did not respond to the discovery of elevated levels of tritium in a well immediately south of Brookhaven's High Flux Beam Reactor.

Dr. Ozaki denied any connection between the delay involving the collider and last week's decision by Energy Secretary Bill Richardson to close the laboratory's High Flux Beam Reactor.

Site of two nuclear reactors, a High Flux Beam Reactor currently operating at about 30 megawatts thermal and a smaller medical research reactor.

She has also been involved in anti-nuclear activities and campaigned against the restarting of the High Flux Beam Reactor (HFBR) located at the Brookhaven National Laboratory.

The work is to include installing groundwater treatment systems, treating contaminated soil and decommissioning the lab's High Flux Beam Reactor.

He took office after a highly publicized scandal in which tritium leaked from the lab's High Flux Beam Reactor, leading to calls by activists to shut down the lab.

The director of scientific programs for the High Flux Beam Reactor, Dr. John Axe, said 200 researchers a year used the reactor.

The new manager also faces a potentially bruising fight over the fate of the main research tool, the High Flux Beam Reactor, which has been closed since December.

The coalition accused the lab of trying to circumvent a review of whether to reopen the High Flux Beam Reactor, which produces streams of neutrons for research projects.