We have a project that contains a recycle bin storage area within a corridor.  Do the exhaust calculations have to include the entire corridor space or can we designate an area around the recycle bins for the exhaust rate?  As well, the project has a staff break room that contains lockers.  Do we have to include the full break room square footage to calculate the exhaust air flow or can we show a boundary around the locker area just for determining this exhaust air flow.  We want to make sure that our calculations meet the intent for this credit.

Thanks for any help that can be provided on this.