Could you kindly confirm than only the net (excluding wall surfaces, shafts, etc.) and not gross area of a building needs to be considered for flush-out?

Hi all,

is it acceptable to perform flush-out with door and windows open for a period of time, rather than using mechanical equipment's (exhaust/ HVAC system)?

Hello,

Does anyone know if the air testing protocol for the Living Building Challenge Healthy Interior Performance is acceptable to meet LEED Air Testing requirements? I am hoping to avoid...

We are pursing this credit under LEEDv4.1 Option 2: Air Testing, "Path 1: Particulate Matter and Inorganic Gases" and "Path 2: Volatile Organic Compounds".

Upon completion of work and...

I am currently working on a LEEDv4.1 NC Office project that is looking to conduct a flush-out pre-occupancy. Would we need to perform the flush-out duration per each zone (e.g. office, lunch room...

Greetings all.

According to the guide, the allowed test methods for ozone are:

- Monitoring device with accuracy greater than 5 ppb or reading and resolution (5 min average...

The BD+C v4.1 guide states that "Exemplary performance is available for projects that test for the additional target volatile organic
compounds specified in CDPH Standard Method v1.2-2017,...

Indoor Air Quality Assesment: Were are using path 2 During occupancy and we had 1 day were the outdoor humidity exceeded 60% RH. we continued to flush the building and added in addition hours of...

Taking measurements in a building located in a city that is considered to be in attainment for PM2.5. This is a healthcare building so the limit would be 12 micrograms/m3.  The actual outdoor...

Hello! A question about approaching the v4.1 Option 1 credit requirements. In v4 the credit language states "Ventilation fans without supplemental cooling or heating, or temporary, supplemental...