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Carbon Cycle Greenhouse Gases

Standard Gases

U.S. Dept. of Commerce / NOAA / OAR / CMDL / CCGG

  • Preparation of Standards
    CCGG prepares and calibrates reference gas cylinders for CO2, CH4 and CO for scientists worldwide.
  • Absolute Calibration of CO2 Standards
    A high precision manometric system for absolute calibrations of CO2 standards.
  • Compressed Cylinder Pressure Regulator Guidelines.
    Instructions for the proper use of gas regulators on standard gas cylinders.

  • Reference Gas Calibration Results.
    You can get results of calibrations for a specific cylinder.
    Currently only CO2 calibrations are available.
    Enter the Reference gas Cylinder Serial Number:
CMDL Climate Monitoring & Diagnostics Laboratory
325 Broadway R/E/CG
Boulder, CO 80303
(303) 497-6074