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NSF/ANSI 391.1:2026

Current

Current

The latest, up-to-date edition.

General Sustainability Assessment Criteria for Professional Services

Available format(s)

PDF

Language(s)

English

Published date

08-08-2026

€195.88
Excluding VAT

The standard is one of the first to focus on the service industry subsectors described as “professional services.”

DocumentType
Standard
Pages
46
PublisherName
NSF International
Status
Current
Supersedes

€195.88
Excluding VAT