| 11. | The federal limit for occupational exposure is 40 micrograms per deciliter.
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| 12. | On average, humans ingest about 600 micrograms of tellurium daily.
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| 13. | Humans typically consume less than 100 micrograms of iodine per day.
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| 14. | Typically the beetles contain approx . 80 microgram of the compound.
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| 15. | Currently that is 5 micrograms per deciliter of lead in blood.
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| 16. | State standards are stiffer, at 30 micrograms per year.
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| 17. | About 400 micrograms of folate a day is recommended for older people.
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| 18. | 1 ounce Post Grape Nuts cereal : 1.51 micrograms
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| 19. | In obstetrics, doctors are using 25 to 50 micrograms.
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| 20. | One child had a reading of 80 micrograms per deciliter.
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