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A sustainability standard for the professional services sector, NSF 391.1, is currently being developed by NSF International, in conjunction with the U.S. GSA and U.S. EPA. The standard will provide criteria for professional services providers to be evaluated based on environmental, social, economic and governance criteria. The panel includes representatives from the NSF 391.1 Joint Committee, who will discuss the American National Standards Institute (ANSI) process for developing the standard and the proposed criteria to be included within the standard.