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IAQ testing credit substitution backwards from 4.1 to 4.0? NC-v4.1 EQc4: Indoor air quality assessment posted by Jeff Ross-Bain, PE, LEED Fellow, WELL AP* on Sep 30, 2024, 5:15 pm* U.S. and Canada Hi all, I have heard that some teams have done a credit substitution from a v4.1 (New Construction) project backwards to the v4.0 criteria. I am somewhat skeptical of being able to do this... Last reply: Jeff Ross-Bain, PE, LEED Fellow, WELL AP, Oct 9, 2024, 10:32 am	3	Jeff Ross-Bain, PE, LEED Fellow, WELL AP LEEDuser Premium Member President Ross-Bain Green Building Wed Oct 9, 2024, 10:32 am
Accredited Professional? NC-v4.1 EQc4: Indoor air quality assessment posted by Brian Salazar* on Mar 22, 2023, 9:06 am* Hello! We are considering... Last reply: Michelle Bombeck, Aug 21, 2024, 7:01 pm	2	Michelle Bombeck LEEDuser Premium Member Associate Principal O'Brien360 Wed Aug 21, 2024, 7:01 pm
IAQ Testing- When Does This Need to Occur? NC-v4.1 EQc4: Indoor air quality assessment posted by Theresa Lehman* on Nov 11, 2022, 1:21 pm* U.S. and Canada The LEED requirements state... Last reply: Lyla Clara, Jul 25, 2024, 5:05 am	2	Lyla Clara LEEDuser Basic Member Thu Jul 25, 2024, 5:05 am
Air Testing- Particulate Matter and Inorganic Gases- measurement time NC-v4.1 EQc4: Indoor air quality assessment posted by Dionisio Franca* on Jul 24, 2024, 9:46 pm* Hi! For WELL Performance Verification, each measurement point for PM, CO, and O3 must be measured for 1 hour, including 10 minutes of acclimation time. Do you know of any other guidelines...	0
Air Testing: Particulate Matter NC-v4.1 EQc4: Indoor air quality assessment posted by Daniel Smith* on Jun 1, 2020, 2:10 pm* Hi all, I'm having difficulty understanding what Concentration Limit to apply for Particulate Matter (PM10 and PM2.5) under V4.1 BD+C. For PM10, does an ISO 14644-1:2015 limit apply... Last reply: Collin Robinson, Jun 6, 2024, 2:31 pm	2	Collin Robinson LEEDuser Premium Member The Sheward Partnership Thu Jun 6, 2024, 2:31 pm
Direct Reading tools for TVOC, Ozone, CO2 and CO is acceptable? NC-v4.1 EQc4: Indoor air quality assessment posted by HONG MEE SONG* on Mar 9, 2021, 9:07 am* Maldives Is direct reading tools are acceptable for getting the parameters of... Last reply: Robert Cashins, May 2, 2024, 3:39 pm	5	Robert Cashins LEEDuser Basic Member Thu May 2, 2024, 3:39 pm
Air Test Sampling Point Location NC-v4.1 EQc4: Indoor air quality assessment posted by Noriko Nagazumi* on Jan 18, 2024, 11:48 pm* Hello, The reference guide states that the testing must include all occupied spaces.... Last reply: Dávid Jakab, Apr 5, 2024, 12:30 pm	1	Dávid Jakab LEEDuser Basic Member Realiscon Kft. Fri Apr 5, 2024, 12:30 pm
Chlorine Flush vs. IAQ Assessment NC-v4.1 EQc4: Indoor air quality assessment posted by Mike Bahr* on Dec 8, 2023, 9:59 am* Has anyone here done an... Last reply: Catalyst Partners, Jan 16, 2024, 3:47 pm	1	Catalyst Partners LEEDuser Premium Member Catalyst Partners Tue Jan 16, 2024, 3:47 pm
Mastic NC-v4.1 EQc4: Indoor air quality assessment posted by Michelle Lockert* on Jan 11, 2024, 2:04 pm* United States Can anyone tell me if it is okay to utilize mastic “outside” the building envelope? Thank you. Last reply: Gregor Braugman, Jan 13, 2024, 11:04 pm	2	Gregor Braugman LEEDuser Basic Member Sustainability Specialist Sat Jan 13, 2024, 11:04 pm
Flush-out of a Modular Building NC-v4.1 EQc4: Indoor air quality assessment posted by Neil Rosen* on Dec 19, 2023, 4:01 pm* If I am fabricating the building off-site in modules and assembling those modules on-site, can I perform the flush-out in the factory? Last reply: Dave Hubka, Dec 19, 2023, 5:47 pm	1	Dave Hubka LEEDuser Expert Practice Leader - Sustainability EUA Tue Dec 19, 2023, 5:47 pm