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Gas Metrology Portal

Programs and Projects
Global Warming and Greenhouse Gases

The Gas Metrology Group has undertaken a major climate change program that involves collaborations with key stakeholders in the United States and … more

Traceable Calibration Gases: SRMs, NTRMS, and Protocol Gases

The Gas Metrology Group in the Chemical Sciences Division is tasked with providing traceability in gas analysis for the U.S. This group works with … more

CCQM Activities in the Gas Analysis Working Group

NIST's Chemical Sciences Division Gas Metrology group has participated in over 20 Consultative Committee for Amount of Substance-Metrology in … more

International Comparisons

Because of NIST's role as the National Metrology Institute (NMI) in the U.S., the Chemical Sciences Division's measurement capabilities must be … more

NIST Traceable Reference Material Program for Gas Standards

Two NIST programs provide calibration gas standards with NIST analyses and concentration value assignment: the Standard Reference Material (SRM) … more

New Gas Standard Reference Materials to Support the Automotive Industry

The American Industry/Government Emissions Research (AIGER) Consortium is working to facilitate the automobile industry meeting more stringent … more

Standard Reference Photometer

The Standard Reference Photometer (SRP) Program began in the early 1980s as collaboration between NIST and the U.S. Environmental Protection … more



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