| 11. | A chief component of that air would be radioactive carbon 14, which is released as the waste decays.
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| 12. | In the United States, there is already an equivalent carbon 14 method under the standard method ASTM D6866.
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| 13. | Archaeologists are able to accurately date once-living materials by measuring the amount of radioactive carbon 14 in them.
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| 14. | Carbon 14 dating of the almonds points to a date of 288 BC ( plus or minus 62 years ).
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| 15. | A technical review ( CEN / TR 15591 : 2007 ) outlining the carbon 14 method was published in 2007.
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| 16. | Carbon 14 dating can determine with precision the biomass fraction of waste, and also determine the biomass calorific value.
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| 17. | Carbon 14 dating of the ship's planks gives a date of 389 BC ( plus or minus 44 years ).
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| 18. | A preview of the song " Carbon 14 " off this new album were played at the 2006 NEARFest to garner publicity.
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| 19. | Carbon 14-labeled pesticides do enable mass balances, but investigations with radioactively tagged substrates cannot be conducted in the field.
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| 20. | Several containers with between five and six kilograms of Iodine 131 and Carbon 14 were found near an old railway in downtown Sofia,
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