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NC-2009 IEQc3.1:Construction IAQ Management Plan—During Construction

µg not µm?

Reference guide Addenda allows to use filtration media with a minimum dust spot efficiency of 30% or higher and greater than 90% arrestance on a particle size of 3–10 "µg". I suppose it is "µm" not "µg", but I'm not very familiar with the filter standards and I cannot judge it. Does anyone knows well about this?

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Fri, 01/22/2016 - 14:45

I would assume you are right and that the units should be size and not mass. However, I am not a filter expert either.

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