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Air Emission Measurement Center (EMC)

Method 3A - Oxygen and Carbon Dioxide Concentrations - Instrumental

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Method and FAQ

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Method 3A Determination of Oxygen and Carbon Dioxide Concentrations in Emissions From Stationary Sources (Instrumental Analyzer Procedure) 8-3-2017 (PDF)(4 pp, 371 K)
CFR Promulgated Test Method 3A - Determination of Oxygen and Carbon Dioxide Concentrations in Emissions From Stationary Sources (Instrumental Analyzer Procedure).
Frequently Asked Questions (FAQs) for Method 3A (PDF)(1 pg, 89 K, August 2016)