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  Contents   1.  PURPOSE...................................................................................................................................................3   2.  SCOPE .......................................................................................................................................................3   3.  DEFINITIONS .............................................................................................................................................3   4.    WHOLE-‐BUILDING  VENTILATION  SYSTEMS .............................................................................................6   4.1    Ventilation  Flow  Rate ........................................................................................................................6   4.1.1    Fan  Flow  Rate .............................................................................................................................6   4.4    Delivered  Ventilation.........................................................................................................................7   5.    LOCAL  EXHAUST  SYSTEMS .......................................................................................................................7   5.1    Local  Mechanical  Exhaust..................................................................................................................7   5.1.1    Kitchen  Exhaust ..........................................................................................................................8   5.1.2      Bathroom  and  Toilet  Room  Exhaust ..........................................................................................8   5.2    Multibranch  Exhaust  Ducting ............................................................................................................8   5.3    Airflow  Measurement........................................................................................................................8   6.    OTHER  REQUIREMENTS...........................................................................................................................8   6.1    Adjacent  Spaces.................................................................................................................................8   6.1.1    Multifamily  Buildings ..................................................................................................................9   6.2    Instructions  and  Labeling...................................................................................................................9   6.3    Clothes  Dryers ...................................................................................................................................9   6.4    Combustion  and  Solid-‐Fuel  Burning  Appliances ................................................................................9   6.5    Airtightness/Separation  Requirements .............................................................................................9   6.5.1    Garages.......................................................................................................................................9   6.5.2    Space-‐Conditioning  System  Ducts ..............................................................................................9   6.6    Minimum  Filtration..........................................................................................................................10   6.7    Ventilation  System  Air  Intakes.........................................................................................................10   6.8    Duct  Insulation ................................................................................................................................10   6.8.1    Duct  Insulation  for  Whole-‐building  Ventilation  Systems..........................................................10   6.8.2    Duct  Insulation  for  Local  Exhaust  Systems ...............................................................................10   6.9  Building  Enclosure ............................................................................................................................10  

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