The man they bring in to begin the shutdown at the nuclear power plant is named "Homer," a possible nod to Homer Simpson, who works at the Springfield Plant in The Simpsons (1989).
The female pilot's name is Amelia, which is a reference to Amelia Earhart, the first female pilot.
After Wilbur Grady is killed and the group are discussing what to do about the nuclear plant going critical, it is suggested Doc could do something - to which he replies 'I am a doctor, not a nuclear physicist' - a response made famous by Dr McCoy/Bones from Star Trek.