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Global Jihad: temi, piste di diffusione e il fenomeno del reducismo ...

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effectiveness of these efforts. As long as there are safe havens for the conduct of<br />

organised crime, terrorists w<strong>il</strong>l have easy access to many of their required resources.<br />

1.2.5 Ava<strong>il</strong>ab<strong>il</strong>ity of ra<strong>di</strong>ological sources<br />

There are seven main sources of ra<strong>di</strong>ological materials:<br />

(i) Nuclear weapons;<br />

(ii) Commercial sources;<br />

(iii) Orphan sources;<br />

(iv) Nuclear power reactors;<br />

(v) Research reactors;<br />

(vi) Nuclear fuel processing plants; and<br />

(vii) Ra<strong>di</strong>oactive waste products.<br />

Despite the <strong>di</strong>fferences between these types of sources, there are two principles<br />

which appear universal: firstly, that small and insignificant (from their potential to be<br />

used in a malign manner) sources greatly out-number larger and more hazardous<br />

sources; and secondly, that fiss<strong>il</strong>e material (either in the form of nuclear weapons or<br />

nuclear power related materials) are under tighter controls at a much smaller<br />

number of sites than ra<strong>di</strong>ological sources. 158 The ava<strong>il</strong>ab<strong>il</strong>ity of nuclear weapons and<br />

materials, the vulnerab<strong>il</strong>ity and widespread numbers of nuclear power plants,<br />

research reactors, nuclear fuel processing plants and ra<strong>di</strong>oactive waste products have<br />

158 Mullen, E., Van Tuyle, G., & York, R.L., “Potential Ra<strong>di</strong>ological Dispersal Device (RDD) Threats and Associated<br />

Technology”, ANS Winter Meeting, Washington D.C., November 18-20, 2002 [online]<br />

http://eed.llnl.gov/ans/2002/mullen/mullen_ans_2002.pdf [last accessed 07.04.05]<br />

233

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