Is Nuclear Power Safe?

The Kashiwazaki Kariwa nuclear power plant in Japanmechanical system to respond to dangerous events
discharged approximately 350 gallons of radioactivein an appropriate manner. Passive safety systems
water into the sea today after an earthquake shookrely on the laws of nature to ensure a reactor
the Japanese town, which is 160 miles northwest ofresponds in an appropriate manner during potentially
Tokyo.dangerous events. The laws of nature include for
Fortunately, the radioactive contamination levels fellinstance, incorporating the law of physics in
well below legal limits. The power plant is the oneengineered components of nuclear power plants
largest nuclear facility's in the world and just one ofwhereby a nuclear reaction would slow versus
fifty-five nuclear reactors in Japan. The incident, inaccelerate during potentially dangerous situations or
light of the recent swarm of headlines regardingevents.
alternative energy use and the possible re-emergenceNuclear power plants also possess structural safety
of nuclear power as a primary alternative energysystems. Surrounding a nuclear reactor are certain
source, leaves many to wonder, is nuclear powercontainment structures, such as the fuel ceramic,
safe?metal fuel cladding tubes and the reactor vessel and
Nuclear energy has both good and bad points. Itcoolant system. Finally, nuclear reactors are housed in
creates a huge amount of energy without usingcontainment buildings. Containment buildings, which are
valuable fossil fuels, but it also produces radioactivemade of steel or concrete, enclose nuclear reactors
materials that can be extremely harmful to theto contain the escape of radiation.
environment. Consequently, nuclear safety includesUltimately, human exposure to radiation, the primary
actions taken to prevent nuclear and radiationcontamination of concern at nuclear power plants, is
accidents or to limit their consequences.more likely to come from exposure natural
Workers at nuclear plants, and the largerbackground radiation and from some medical
environment, run a risk due to this radioactiveprocedures. In fact, studies exist finding no evidence
material. Nuclear power plants must be run veryof increased risk of exposure to radiation or
carefully to ensure that there are no mistakes, whichoccurrences of cancer in individuals living near nuclear
is why nuclear power plant operators promote afacilities. For instance, in 1990 a study by the National
safety culture. The term "safety culture" is a termCancer Institute (NCI) of the National Institutes of
introduced by the International Nuclear SafetyHealth, which surveyed over 900,000 cancer deaths
Advisory Group in a report published on thein counties near nuclear facilities, found no increased
Chernobyl disaster in 1986. The International Atomicincidence of cancer mortality in people living near 62
Energy Agency (IAEA) defines safety culture as "andifferent nuclear facilities in the United States.
assembly of characteristics and attitudes inRegardless of the safety systems in place, which
organizations and individuals, which establishes that, aspromote a culture of safety in nuclear power plant
an overriding priority, nuclear plant safety issuesoperations, no industrial activity is risk-free.
receive the attention warranted by their significance."Occurrences take place, which are completely outside
Safety culture is about improving safety attitudes inour control, as evidenced by the earthquake, which
people, but it is also about good safety managementimpacted the Kashiwazaki Kariwa nuclear power. Any
established by organizations with a holistic, wholemalfunction, accident or natural disaster at or near a
community, whole of life approach. A good safetynuclear power plant presents potentially devastating,
culture implies a constant assessment of the safetylong-term impacts to the surrounding community and
significance of events, such as earthquakes or otherenvironment.
natural disasters.About the Publisher: This report is published by
Additionally, nuclear power plants possess both activeEnergy Business Reports, an energy industry think
and passive safety systems. Active safety systemstank and leading source for energy industry
are systems activated by a human operator, aninformation and research products.
automatic computer driven system, or even a