ISO Guide 30 Archives

Scientist writing RM documentation in lab.

The Difference Between RM Documents: Product Information Sheets vs RM Certificates

ByPatrick Selig, Senior Manager of Accreditation June 13, 2024May 21, 2025

Reference materials (RMs) and certified reference materials (CRMs) are produced by reference material producers (RMPs). A reference material producer is a “body (organization or company,…

Female scientist pouring chemical into beaker before preparing reference material and certified reference material.

ANAB | Laboratory

Reference Material (RM) vs Certified Reference Material (CRM)

ByPatrick Selig, Senior Manager of Accreditation July 29, 2022May 22, 2025

ISO/IEC 17025 accredited laboratories use Reference Materials, or RMs, and Certified Reference Materials, or CRMs, in a variety of ways. RMs and CRMs can be…