Consumer Watchdog and others filed a lawsuit in
The groups argue that the state shipped low-level radioactive waste to landfills that were not licensed to take it. They want a temporary restraining order to stop the demolition of a plutonium fuel fabrication building.
State officials rejected the allegations, saying that the debris sent to facilities did not pose a threat to human health or environment.
Santa Susana was once home to nuclear research and rocket engine tests. In 1959, one of the reactors suffered a partial meltdown.