On cover: Engineering Materials; Food & Agriculture; Health & Clinical; Forensics; Environmental; High Purity Materials; Industrial Materials; Physical Properties; Radioactivity; and Industrial Hygiene. Lists over 1300 individual reference materials produced and sold by NIST, each with carefully assigned values for chemical composition and physical properties.

This handbook was prepared with the objective of improving the understanding of the basis for the use of Standard Reference Materials (SRMs). While written from the viewpoint of a chemist, the basic concepts described are believed to be applicable to most areas of metrology. The handbook is arranged by section in a logical progression, starting with the basic concepts of precision & accuracy, followed by discussions of the calibration & quality assurance of the measurement process, the use of SRMs to evaluate various kinds of measurements, & the reporting of data with evaluated limits of uncertainty. Charts & tables.