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How is chain reaction controlled in a nuclear power plant? Chain reaction is controlled through using neutron absorbing materials as reactor control rods (of high neutron absorbing material), boron, and/or cadmium.
An accident could result in dangerous levels of radiation that could affect the health and safety of the public living near the nuclear power plant. Nuclear power plants operate in most states in the country and produce about 20 percent of the nationâs power. Nearly 3 million Americans live within 10 miles of an operating nuclear power plant. Before a Nuclear Power Plant Emergency. The following are things you can do to protect yourself, your family and your property from the effects of a nuclear power plant emergency: 1  Build an Emergency Supply Kit with the addition of plastic sheeting, duct tape and scissors. 2  Make a Family Emergency Plan.