ASHRAE=American Society of Heating Refrigeration and Air-Conditioning Engineers if I remember correctly. They also have a really cool handbook if you join them. HVAC was a fun class for me.
Oops don't know the ANSI number for ventilation but I know that 10% is about the minimum amount of air exchange you want for a building.
Oops don't know the ANSI number for ventilation but I know that 10% is about the minimum amount of air exchange you want for a building.