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Unit conversions – How do I convert µg/m3 to ppbv?

April 26, 2017conversions convert M3

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Unit conversions – How do I convert µg/m3 to ppbv?

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A. µg/ m3 * 24.46 / molecular weight of compound = ppbv Example: Carbon Tetrachloride Molecular Weight = 154 1.0 µg/m3 * 24.46 / 154 = 0.16 ppbV 5.0 µg/m3 * 24.46 / 154 = 0.