Project #27102 - quickwork 1

1. A new office building has synthetic carpet laid in all its offices.  Formaldehyde (HCHO) is released from the carpet at a rate of approximately 10 μg/hr in an office, and one worker in this 72 ft2 office with an 8-ft ceiling complains of feeling nauseous from the chemical.  Ambient air concentration of formaldehyde is 5 ppb.  What ventilation rate is needed in this office to decrease the formaldehyde concentration to 0.1 ppb, assuming a density of air at room temperature of approximately 1.2 Kg/m3 ? Assume there is no significant concentration o formaldehyde in the outside air, and no sink for it in the office.

 

Subject Science
Due By (Pacific Time) 04/09/2014 12:00 am
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