News · July 31, 2026

Metrology Atlas resource library opens with the NIST GLP/SOP series

The Metrology Atlas document library is live. The opening collection carries the NIST Office of Weights and Measures Good Laboratory Practice and Standard Operating Procedure series — including GLP 1 (quality assurance of laboratory measurement results), SOP 1 (calibration certificate preparation), SOP 29 (assignment of uncertainty) and SOP 30 (process measurement assurance).

Every page of every document is indexed for full-text search: a query takes you not just to the right document but to the right page. All documents in the library are public-domain publications and free to download.

More collections are on the way — drop-in additions to the library are indexed automatically as they arrive.

Sources — reference chain

Every claim traces to an authoritative reference; Atlas standards entries link onward to the official publisher.

NIST OWM — Good Laboratory Practices (source listing) www.nist.gov EXTERNAL ↗ NIST OWM — Standard Operating Procedures (source listing) www.nist.gov EXTERNAL ↗ NIST IR 6969:2019 Selected Laboratory and Measurement Practices and Procedures to Support Basic Mass Calibrations (SOP series) — Atlas entry → official source at www.nist.gov ATLAS INDEX NIST Handbook 143:2019 State Weights and Measures Laboratories Program Handbook — Atlas entry → official source at www.nist.gov ATLAS INDEX

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