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  1. hnewman

    building air exchange rate

    Thanks quark The building is currently a R&D lab with hoods in every roon. The actual exchange rate currently is 10/hour. I am getting called on the possibility that some time in the future the bldg may not be used for the same function and therefore have a lower exchange rate (this affects...
  2. hnewman

    X-ray room ventilation

    This is kind of late, but it does not matter that the room is an xray facility. Xrays don't make things radioactive. Filter the air as you would normally without consideration of the fact that it is an xray facility. Harry Newman
  3. hnewman

    building air exchange rate

    Can someone help me with a solid reference to usual and customary engineered air exchange rates for large buildings. I'm a health physicist trying to defend what I think is a reasonable exchange rate of 10/hour to a regulatory agency. This is the case for the building as now engineered. Is...

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