Question 1

Who is the ANSI/NSI 373 Sustainable Stone certification best suited for?

Accepted Answer

Best suited for natural stone quarries, fabricators, and distributors seeking to demonstrate environmental and social responsibility in their operations. Ideal for companies supplying stone to green building projects, LEED-certified developments, or clients with sustainability procurement requirements.

Question 2

What are the renewal requirements for the ANSI/NSI 373 Sustainable Stone?

Accepted Answer

Certified companies must undergo periodic re-audits to maintain certification. Ongoing compliance with the ANSI/NSI 373 standard is required, including updated documentation of environmental and social performance metrics. Specific renewal intervals and fees are determined by the certifying body.

Question 3

What continuing education is required for the ANSI/NSI 373 Sustainable Stone?

Accepted Answer

No formal CPE/CEU requirements are associated with the ANSI/NSI 373 product certification. The Natural Stone Institute offers separate CEU programs for design and building professionals through AIA, ASLA, and GBCI.

Question 4

What evidence is required for the ANSI/NSI 373 Sustainable Stone?

Accepted Answer

Applicants must submit documentation demonstrating compliance with the ANSI/NSI 373 standard across environmental, social, and economic criteria. This includes records related to energy use, water conservation, waste management, worker health and safety, and human rights practices. A third-party audit of quarrying and/or fabrication operations is required to verify claims.

Question 5

Who should NOT pursue the ANSI/NSI 373 Sustainable Stone?

Accepted Answer

Companies not directly involved in stone quarrying, fabrication, or distribution will find limited applicability. Organizations seeking a broad sustainability framework not specific to the stone industry should consider more general certifications.

Question 6

What are alternatives to the ANSI/NSI 373 Sustainable Stone?

Accepted Answer

Alternative certifications include: Cradle to Cradle Certified, Environmental Product Declaration (EPD) for Stone, ISO 14001 Environmental Management Systems, Declare Label (Living Future Institute).

ANSI/NSI 373 Sustainable Stone

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