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Select a step where Air Liquide intervenes in your value chain

Stack testing

Air Liquide offers ±1% Scott™ brand EPA protocol gases and CEM DAILY STANDARDS™ as calibration standards, as well as ALPHAGAZ™ brand pure gases engineered to help you accurately test and measure emissions monitoring analyzers. Our extensive inventory of gas handling and distribution equipment allows you to safely store, handle and deliver these gases to your applications.


Equipment for lab