| 41. | Tritium is thus only hazardous if directly ingested or inhaled.
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| 42. | The Energy Department stopped making tritium eight years ago.
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| 43. | Under neutron bombardment, the rods would accumulate tritium.
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| 44. | Eucalyptus leaves contain 506, 000 picocuries of tritium.
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| 45. | The laboratory discovered increased levels of the contaminant, tritium, in 1994.
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| 46. | One of the recent samples indicated tritium levels were five times that standard.
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| 47. | Tritium, a hydrogen isotope, can be lethal in very high quantities.
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| 48. | An accelerator would make tritium by bombarding tungsten with sub-atomic particles.
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| 49. | The nuclear plants are expected to continue producing electricity while they make tritium.
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| 50. | That's when the tritium leak turned up.
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