Calgaz

About Calgaz

Manufacturer of certified calibration gas standards and specialty gas mixtures for industrial gas detection, continuous emissions monitoring, and breathalyzer calibration. Operating as a division of Airgas USA (Air Liquide subsidiary), founded in the 1960s. Primary manufacturing at Cambridge, MD; second plant in Oldsmar, FL; distribution worldwide. Products include four-gas mixtures (H2S, CO, CH4, O2), zero air, span gases, breath alcohol (BrAC) dry gas standards, reactive binary mixtures (Cl2, NH3, SO2), and precision flow regulators. Cylinders range from 10L to 875L in aluminum and steel. ISO 9001, ISO/IEC 17025:2017, and ISO 17034 certified; NIST weight-traceable. Serves oil & gas, safety monitoring, environmental (EPA CEMS), marine, industrial, and law enforcement (breathalyzer) markets in 120+ countries.

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