Background


The
following documents is a COMMISSIONER ACTION memo, labeled SECY-79-235
from Harold R. Denton, Director Office of Nuclear Reactor Regulation,
dated April 2, 1979.


The purpose
of the action report is listed as:


To
advise the Commission of some decisions that will need to be made in the
immediate future regarding the application of the Price Anderson Act to the
Three Mile Island Unit 2 accident.


The Three
Mile Island Unit 2 (TMI-2) reactor, near Middletown, Pa., partially melted down
on March 28, 1979. This was the most serious accident in U.S. commercial
nuclear power plant operating history, although its small radioactive releases
had no detectable health effects on plant workers or the public. Its aftermath
brought about sweeping changes involving emergency response planning, reactor
operator training, human factors engineering, radiation protection, and many
other areas of nuclear power plant operations. It also caused the NRC to
tighten and heighten its regulatory oversight. All of these changes
significantly enhanced U.S. reactor safety.


A
combination of equipment malfunctions, design-related problems and worker
errors led to TMI-2’s partial meltdown and very small off-site releases of
radioactivity.


SECY-79-235



 SECY-79-235,
April 2, 1979, Possible Determination of an Extraordinary Nuclear Occurrence at
Three Mile Island Unit 2
[17 Pages, 0.7MB]

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