Nuclear Waste Disposal

Nuclear waste is currently reported as being keptexplosion.
in 126 temporary facilities scattered across 39Plutonium is highly radioactive and has a half-life of
states, in cooling ponds and in storage buildings25,000 years (Bullen and McCormick). This means
near nuclear reactors. Some of this waste sits onthat plutonium takes approximately 25,000 years
sites near rivers or on top of water tables, andto decay to half of its original potency. That
some 160 to 170 million Americans live within 75means that after 24,000 years half of the
miles of one of these sites.radioactivity contained in the plutonium will have
Nuclear power stations and reprocessing plantsdecayed.
release small quantities of radioactive gases (e.g,There is no doubt about it. Nuclear waste needs
krypton-85 and xenon-133) and trace amounts ofto be very carefully disposed of for storage and
iodine-131 to the atmosphere. However, theythere is a primary need to keep the material out
have short half-lives, and the radioactivity in theof harms' way for an extremely long while.
emissions is diminished by delaying their release.There is one body which has been doing
Nuclear waste from NORM is not usually highlyradioactive material burial research, for the last 30
radioactive, and might be safe to hold, although ityears, and it is known as the Swedish Nuclear
may produce dangerous levels of radioactiveFuel and Waste Management Company. It has
radon gas.being conducting research and development to
Radioactive medical waste tends to contain betafind a method for safe final disposal of spent
particle and gamma ray emitters. It can be dividednuclear fuel that will provide long-term protection
into two main classes. Radioactive gases are alsofor man and the environment.
contained in the spent fuel rods. Newly withdrawnThey have now reported that their method,
spent fuel assemblies are stored in large pools ofwhich is now ready for licensing, involves
water adjacent to the reactors to keep themdepositing the nuclear fuel in copper canisters at a
from overheating and to protect workers fromdepth of about 400-700 metres underground.
radiation.Two Swedish municipalities, Osthammar
Nuclear Regulatory Commission, for example,(Forsmark) and Oskarshamn, are prepared to
licenses many of the facilities that produceaccept the repository. The view is that the
low-level waste, including nuclear power plants. Itbedrock in these municipalities meets all the
also regulates low-level waste disposal. Nuclearrequirements for safe final disposal.
waste is the radioactive waste left over fromEven if development of the final disposal method
nuclear reactors, nuclear research projects, andfor Sweden's spent nuclear fuel, currently
nuclear bomb production. Nuclear waste is dividedamounting to about 5000 tonnes, is in principle
into low, medium, and high-level waste by thecomplete, it will be at least ten years before a
amount of radioactivity the waste produces.repository can be operational.
Electronics like computers and cell phones containGetting nuclear waste disposal right is important,
a lot of different toxins. For example, cathode raybut vastly more waste is generated every day in
tubes (CRTs) in computers contain heavy metals,construction, in fact construction waste production
such as lead, barium and cadmium, which can beis huge. However, it has been proven that careful
very harmful to health if they enter the waterplanning to reduce construction waste not only
system.results in construction contracts being completed
Plutonium, a waste product of burning uranium in awithout producing as much waste, the savings are
nuclear reactor, is especially dangerous if it getsso large that overall the production of a Site
into the body.Waste Management Plan saves the Contractor
Plutonium is also dangerous in its own rightmoney.
because it can be used to produce a nuclear