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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: Megan Bodin, Jan 24, 2024, 5:21 pm

TVOC ranges

NC-v4.1 EQc2: Low-emitting materials
posted by Karim Farah on Jan 24, 2024, 4:46 pm


I am seeking clarification on a specific requirement mentioned in LEED V4.1 EQ Credit: Low Emitting Materials, specifically on page 235. The document mentions that...

Last reply: Denise Bevilaqua, Jan 24, 2024, 6:39 pm

Chemical inventory of the product, HPD.

NC-v4.1 MRc4: Material Ingredients
posted by T Ros on Jan 25, 2024, 10:05 am

If an HPD inventory includes the following information: "Substances representing 95% of the product weight are reported at 100/1000 ppm threshold and substances representing 5% of the product...

Last reply: Tommy Linstroth, Jan 25, 2024, 10:16 am

Purchasing Policy Prerequisite

EBOM-v4.1 MRp1: Purchasing Policy
posted by Sean Smith on Jan 25, 2024, 10:32 am

I'm working on a project where the property manager told us the only on-going purchases for the buliding are cleaning supplies (brooms, garbage bags, gloves) and all other purchases are tenant...

Submetering the pool and dialysis

NC-v4 WEc4: Water metering
posted by Eslam Elshorbagy on Jan 25, 2024, 11:56 am


We have a building that is half a fitness facility and the other half a medical clinic. We intend to submeter the pool in the fitness facility and the dialysis equipment in the...

Home Office Projects

Pilot-Credits INpc136: Safety First: Re-Enter Your Workspace
posted by Mayela Saucedo on Jan 25, 2024, 2:13 pm

To meet the requirements of the 'Re-Enter Your Workspace' credit, daily surveys are mandatory, covering aspects such as social distancing. However, some projects post-pandemic have adopted hybrid...

Cool Walls

NC-v4 INc1: Innovation
posted by Juan Carlos Valenzuela on Jan 25, 2024, 11:33 am

We are working on Cool Walls and...

Last reply: Juan Carlos Valenzuela , Jan 25, 2024, 2:39 pm

Social Equity Within The Supply Chain

Pilot-Credits IPpc144: Social equity within the supply chain
posted by Atlas Turner on Feb 28, 2023, 3:53 pm

The updated Social Equity within the Supply Chain appears to be more achievable.

The original required permanently installed products from 10 different manufacturers meeting options 1 or...

Last reply: Hoda Ibrahim, Jan 25, 2024, 4:49 pm

How to report High COP values for Chillers

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jan 25, 2024, 4:05 pm

Hi I am working on a Data Center in Chicago, and we have Chillers which have a high COP when the ambient temperature is low outside, so The energy modeling software that I am using can ony get as...

Indoor Water Use Reduction- Core and Shell: Binding tenant agreement only for a part of the building

CS-v4 WEp2: Indoor water use reduction
posted by Michaël Briffaz on Jan 24, 2024, 3:45 am


In a Core Shell buidling (offices and retail), the owner would like to earn point with the credit Indoor Water Use Reduction but the fixtures are not in his scope of work, it will be...

Last reply: emily reese moody, Jan 25, 2024, 9:47 pm