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Indoor Air Quality Assesment

NC-v4.1 EQc4: Indoor air quality assessment
posted by Gregory Bergmiller on Dec 9, 2020, 11:17 am

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...

Equipment

NC-v4.1 EQc4: Indoor air quality assessment
posted by Dionisio Franca on Dec 7, 2020, 6:43 pm

Does anyone have any good suggestions of measurement equipment that meet the LEED v4.1 requirements for particulate matter?

v4.1 Timing of VOC testing

NC-v4.1 EQc4: Indoor air quality assessment
posted by Timo Rintala on Aug 26, 2020, 8:26 am

The v4.1 standard...

Last reply: Dionisio Franca, Dec 7, 2020, 6:35 pm

Labs ramping up for v4.1?

NC-v4.1 EQc4: Indoor air quality assessment
posted by Erica Downs on Oct 22, 2020, 12:57 pm

I'm hearing from a potential EHS contractor that the testing labs are having a hard time ramping up to meet the testing requirements of v4.1, and the testing is going to be quite expensive.  It...

Last reply: Erica Downs, Oct 22, 2020, 2:41 pm

LEEDv4.1, EQ Cr – Indoor Air Quality Assessment, Option 2, Path 2 – Volatile Organic Compound

NC-v4.1 EQc4: Indoor air quality assessment
posted by Devendra Chaughule on Nov 14, 2019, 8:15 am

Hi All,

The credit mentions screening test for Total Volatile Organic Compounds (...

Last reply: Greg Chambliss, Sep 3, 2020, 6:04 pm

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: Agnieszka Szydlowska, Aug 7, 2020, 9:18 am

Ozone Sampling

NC-v4.1 EQc4: Indoor air quality assessment
posted by Greg Chambliss on Jul 17, 2020, 2:21 pm

In order to meet the Path 1 requirement for the Indoor Air Quality Assessment, does Ozone sampling need to be performed regardless if the facility is in an EPA Non-attainment zone or not?

Last reply: Russ Pellegrino, Jul 22, 2020, 8:24 am

Air Testing (Ozone test method)

NC-v4.1 EQc4: Indoor air quality assessment
posted by John Smith on May 19, 2020, 2:21 pm

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...

Hand held Devices for measuring TVOC

NC-v4.1 EQc4: Indoor air quality assessment
posted by frederick muscatello on Nov 27, 2019, 1:58 pm

Does anyone have any hand held meters for measuring...

Last reply: Samuel Sura, Dec 5, 2019, 4:35 pm