The Natural Stone Council is a collaboration of businesses and trade associations that have joined forces to promote the use of natural stone in commercial, residential, government, institutional, educational and all types of applications interior and exterior. The NSC has recently published ANSI/NSC 373 Sustainable Production of Natural Dimension Stone and Natural Stone Council, NSC 373 Chain of Custody standards. These standards have been developed to document and improve the sustainability profile of natural dimension stone production. ANSI/NSC 373, NSC 373 Chain of Custody and NSC 373 Guidance for Conformance documents may now be purchased from the Natural Stone Council

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