| 1. | The regulation does not apply to the 100 commercial reactors now operating.
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| 2. | Maintaining and decommissioning a commercial reactor may thus be difficult and expensive.
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| 3. | But in most commercial reactors, uranium is enriched to 3 to 5 percent.
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| 4. | The waste at commercial reactors is growing by 2, 000 tons a year.
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| 5. | The waste is building up at commercial reactors around the country.
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| 6. | It was later decided that commercial reactors could produce the isotope more cheaply.
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| 7. | And the country's 103 commercial reactors gave no sign of trouble.
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| 8. | Of 108 commercial reactors in this country, for now, only Watts Bar qualifies.
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| 9. | Critics of the program say it's a mistake to use plutonium in commercial reactors.
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| 10. | France currently operates a half-dozen commercial reactors with plutonium recycled from spent nuclear fuel.
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