Has the pressure differential requirement of at least 5 pascals for LEED v2009 IEQc5 Indoor and Chemical Source Pollutant Control been eliminated from the requirement of this credit?
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Trista Brown
Project DirectorWSP USA
456 thumbs up
August 17, 2015 - 6:04 pm
Yes, the pressure differential has been eliminated in v4. See the "Changes from LEED 2009" section in the reference guide for some additional info.