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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.

...

Chemical Inventory for material other than chemical....

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by PAWAN DAHIWAL on Mar 19, 2019, 9:25 am

How does material which don't have any chemical content OR no chemical used during its manufacturing but is a permanent building material, comply with credit? For example Granite OR marble, these...

Last reply: Tristan Roberts, Apr 2, 2019, 7:45 pm

How to tell if the chemical inventory of a product is disclosed to 0.1% (1000ppm)

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Ashley Hu on Jun 19, 2018, 7:51 pm

Hello there,

Option 1 accepts the following as documentation: 

  • Document to demonstrate the chemical inventory of the product to at least 0.1% (1000ppm).
  • ...

Last reply: Magdalena Magaña, Feb 11, 2019, 6:52 pm

Double counting Material Ingredients reporting

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Vandita Mudgal on Jan 11, 2019, 2:12 pm

I think I know the answer, but worth checking with the group.

We have a bunch of product/materials on our project that have more than one material ingredient document (HPD, Declare,...

Last reply: Tristan Roberts, Jan 12, 2019, 4:16 pm

Greenscreen

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Bill Freeman on Dec 18, 2017, 4:02 pm

Can you tell me how many ingredients in building products have completed the Greenscreen analysis process and where a list of these reports can be found which would include the Benchmark assigned...

Last reply: Tristan Roberts, Jan 7, 2019, 8:36 am

social equity within the supply chain

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Dennis Daniel on Oct 25, 2018, 2:17 pm

Tristan Roberts Technical Director The Laurentia Project, HPDC LEEDuser Expert 11455 thumbs up October 26, 2018- 11:42 am Dennis, I would recommend reviewing the guidance here, and posting questions to that forum: https://leeduser.buildinggreen.com/credit/Pilot-Credits/IPpc91 cheers.:) Log in or register to post comments ...

Last reply: Tristan Roberts, Oct 26, 2018, 11:42 am

HPD with GHS SDS

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Vandita Mudgal on Sep 12, 2018, 1:26 pm

Question about HPDs with Content Inventory marked as GHS SDS.

LEEDv4 Reference guide mentions Globally Harmonized Systems of Classification and lableing of Chemical rev.6 (2015)(GHS) as an...

Last reply: Vandita Mudgal, Sep 21, 2018, 4:08 pm