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Clarification on Cradle to Cradle eligibility

NC-v4.1 MRc4: Material Ingredients
posted by Allan Robles on Aug 21, 2019, 1:34 pm

Hi LEEDuser community, 

I wanted to confirm my understanding of the distinction between the different option pathways for Cradle to Cradle certificates (bulleted below):

Option 1....

Last reply: Tommy Linstroth, Mar 5, 2021, 1:46 pm

International Compliance Path

NC-v4.1 MRc4: Material Ingredients
posted by Martha Lewis on Jan 8, 2020, 7:44 am

Very curious why both LEED 4 and 4.1 restrict the Candidate List to "the version in effect June 2013"? The wording appears to indicate that of the 3 lists, only the Candidate list is restricted...

Last reply: Tristan Roberts, Jun 11, 2020, 1:14 pm

Are C2C or C2C MHC automatically considered 3rd party verified?

NC-v4.1 MRc4: Material Ingredients
posted by Tommy Linstroth on Jan 21, 2020, 11:27 am

HPDs have a box to check for 3rd party verification. Does Cradle to Cradle in and of itself earn the 3rd party certification? Is it both for...

Last reply: Tristan Roberts, Jan 21, 2020, 1:19 pm

Post-consumer recycled content vs pre-consumer recycled content- LEED V3 excel datasheet

NC-v4.1 MRc4: Material Ingredients
posted by Mateus Souki on Oct 17, 2019, 11:31 am

I am working on a project where I must choose the materials for the MRc4 credit - LEED V3 (gold certification). However, as an architect responsible, I don't know if I should accept materials...

Last reply: Mateus Souki, Oct 21, 2019, 1:35 pm

LBC 3.0 Red list compliant

NC-v4.1 MRc4: Material Ingredients
posted by Allen Cornett on Sep 4, 2019, 11:23 am

I have 2 products that state they are LBC 3.0 Red list compliant.  If these products meet the requirements of the USGBC Declare Compliance Graphic can LBC 3.0 Red list compliant contribute to...

Last reply: Allen Cornett, Sep 5, 2019, 2:17 pm

REACH fulfillment to 1000 ppm / 100 ppm

NC-v4.1 MRc4: Material Ingredients
posted by Alex Parella on Jul 25, 2019, 6:52 am

European paints manufacturer only justifies the fulfillment of REACH to 100 ppm, arguing that 1000 ppm level of analysis only suits with gas products.

Is there any way to justify the...

Last reply: Tristan Roberts, Aug 7, 2019, 10:44 pm

Declare labels

NC-v4.1 MRc4: Material Ingredients
posted by Susan Di Giulio on Jul 17, 2019, 11:54 pm

The Reference Guides for both v4 and v4.1 state that: 

The Declare product label must meet the following requirements:
o Declare labels designated as Red List Free or Declared....

Last reply: Tristan Roberts, Aug 7, 2019, 10:39 pm