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GreenArc Sustainable Building & Architecture
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WSP
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You might want to check out the criteria for EQp1. Building's with HVAC systems physically capable of meeting 62.1-2007 OA rates must demonstrate they are doing so during the performance period. Assessing compliance against an older version of the standard would not be allowed, though some building's that can't meet ASHRAE 62.1-2007 can use the other compliance path to show at least 10 CFM / person.