Karen Silkwood was a chemical technician at the Kerr-McGee Nuclear Power Plant outside Crescent, OK, from 1973 to her death in November 1974. Her job was manufacturing plutonium pellets for nuclear reactor fuel rods. As soon as she began working at the plant she joined a labor union and became one of its chief speakers and strike organizers, complaining of numerous health code violations. In November 1974, a routine self-check found almost 400 times the legal limit for plutonium contamination.

Karen Silkwood was a chemical technician at the Kerr-McGee Nuclear Power Plant outside Crescent, OK, from 1973 to her death in November 1974. Her job was manufacturing plutonium pellets for nuclear reactor fuel rods. As soon as she began working at the plant she joined a labor union and became one of its chief speakers and strike organizers, complaining of numerous health code violations. In November 1974, a routine self-check found almost 400 times the legal limit for plutonium contamination.