Standards

Certified, Sustainable Natural Stone

Certification to ANSI/NSC373 provides architects and owners stone sources for their buildings that are 3rd party verified as being produced in an economic, environmental and socially responsible manner. Project teams and consumers can now clearly recognize which natural stones support these important project goals.  Watch video

December 2014:
TexaStone Quarries in Garden City, Texas becomes first natural stone industry operator in the world to certify to the new stone standard – ANSI/NSC 373!  
Read Press Release.     
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January 2016:
Coldspring quarries earn Platinum level certification to ANSI/NSC373 for three US operations and Gold level certification at their Cold Spring, MN fabrication facility and corporate headquartersRead Press Release.

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Become Certified

To apply for certification to ANSI/NSC 373 Sustainable Production of Natural Dimension Stone, you must purchase the Standard document(s). Purchase individual documents or order a bundled package at discounted price.

Unsure whether an ANSI/NSC 373 certification is within reach? Click here for a summary of its criteria and an example of the criteria scorecard.

Other resources about certifying:

View a slide show presented by NSF International with comments from Brenda Edwards, TexaStone Quarries, for an overview on how the certification process works!
Hear the audio recording from the same presentation on December 9, 2014.

 

Are you are a member of a Natural Stone Council affiliate organization? Contact your association executive for a Coupon Code giving additional discounts.

ANSI/NSC 373 Sustainable Production of Natural Dimension Stone and Natural Stone Council Chain of Custody standards have been developed to document and improve the sustainability profile of natural dimension stone production.

The Chain of Custody Standard establishes the rules by which stone originating from a certified quarry and then processed in a certified processing facility is documented as it passes through the supply chain to its end user.   The goal is to insure that the end user who purchases certified stone for a project actually receives verified, certified stone.

The Guidance for Conformance document provides guidance on how ANSI/NSC373 is to be interpreted and gives examples that best provide evidence of criteria compliance by the quarries and processors seeking certification, as well as for the third party entities who will verify compliance.

Click here for more information on the standards.

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