| 41. | The station crew had been periodically igniting lithium perchlorate candles to produce breathing oxygen.
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| 42. | The issues include perchlorate pollution, preferential service extensions and possible conflict of interest.
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| 43. | At high doses, perchlorate can inhibit production of thyroid hormones, research shows.
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| 44. | Perchlorate can also cause cancer at high levels.
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| 45. | California has also issued guidance regarding perchlorate use.
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| 46. | Several US states have enacted drinking water standard for perchlorate including Massachusetts in 2006.
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| 47. | Most pyrotechnic applications that formerly used chlorates now use the more stable perchlorates instead.
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| 48. | Curiously, perchlorate can be produced by lightning discharges in the presence of chloride.
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| 49. | Less clear are the effects of perchlorate on fetuses, newborns, and children.
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| 50. | Historically, the core contained a perchlorate, sulfur, and antimony sulfide mixture.
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