"The Interagency Sustainable Acquisition and Materials Management Practices Workgroup ('SAMM) helps to identify, characterize, and document markets and market opportunities associated with acquisition, materials management and recycling."@en . . "The Interagency Sustainable Acquisition and Materials Management Practices Workgroup ('SAMM) helps to identify, characterize, and document markets and market opportunities associated with acquisition, materials management and recycling."@en . . "Interagency Sustainable Acquisition and Materials Management Practices Workgroup"@en .