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Product meeting multiple MRc4 methodologies

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Van Jomel Garcia on Jun 13, 2021, 9:41 pm

Hi! Has anyone encountered a product that complies with more than one compliant MRc4 Methodologies? We've purchased a product that has a Declare (3rd party reviewed) certificate and a Cradle-to-...

Last reply: Bipin Karki, Jun 15, 2021, 8:05 am

Material Ingredients Reporting Option 2- HPD V2.2

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Daniel Chung on Apr 20, 2021, 8:18 pm

Hi LEED user,

I am reviweing an HPD V2.2 for a suspended ceiling system and it is declared only at 100ppm threshold level for Basic Method reporting format. Everything else is checked at...

Last reply: Tristan Roberts, Apr 23, 2021, 2:40 pm

Fire Alarm System components and other facility services subgroups systems

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Aaron McEwin on Feb 22, 2021, 9:09 am

Previous versions of LEED stipulated the Material and Resource Credits only applied to Divisions 2-10 products. 

Under LEEDv4, do CSI Divisions 21 – Fire Suppression, 22 – Plumbing, 23 –...

Last reply: Jennifer Kruse, Feb 22, 2021, 9:57 am

Green Guard Gold

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Jennifer Kruse on Apr 1, 2020, 12:40 pm

Is GreenGuard Gold considered an "approved USGBC program"? or is GreenGuard Gold compliant with GreenScreen?

Last reply: Paula Melton, Apr 1, 2020, 1:50 pm

REACH compliance

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Charline SEYTIER on Dec 21, 2017, 7:01 am

referenced by Charline is not sufficient at only 1,000 ppm. Please search the LEEDuser forum for more on this. I think this question may have been a duplicate which was answered previously. Log in or register...

Last reply: Saad Al Haj, Feb 12, 2020, 1:41 am

LEED guidlines for contractors

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Jade Jenkins on Nov 20, 2019, 2:40 pm

Hello everyone, I am a project manager and we are going out with an ITT soon. The building is aiming for a LEED silver rating and we would like to inform the contractors that they should keep...

Last reply: Jade Jenkins, Nov 26, 2019, 1:10 pm

CAS Number

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Samantha Lee on Nov 11, 2019, 2:17 pm

I have two questions about MRc4- Material Ingredients. Is a CASRN the same thing as CAS Number? Also, has anyone used the CAS number from a SDS as credit compliance for this credit?

Last reply: Tristan Roberts, Nov 12, 2019, 10:32 am

REACH registration number

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Francesco Passerini on Jul 8, 2019, 5:53 am

In safety data sheets the calcium diformat is labeled with REACH registration number 01-2119486476-24-xxxx

Therefore I would think that it is included in the REACH lists but in the REACH...

Last reply: Natalia Kopocinska, Jul 15, 2019, 7:07 am

CASRN Numbers Not Specific Enough

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Nathan Gauthier on Jun 17, 2019, 2:42 pm

We've gotten a response from reviewers that HPDs we've submitted "do not include compliant lists of materials ingredients" and then they call out CASRN 65997-19-5, which is steel in our USG...

Last reply: Tristan Roberts, Jun 17, 2019, 5:16 pm

Barriers in implementing material transparency in LEED v4 projects

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by SUSAN THOMAS on Apr 16, 2019, 1:30 pm

I am a master's student at State University of New York College of Environmental Science and Forestry doing my thesis in Barriers in implementing material transparency in LEED v4 projects.

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