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Gas Sampling - Instrumental

Heated 2 Inch Filter AssemblyThe US EPA specifies IRM Reference Methods are used to substantiate the accuracy and precision of the CEMS. A Continuous Emission Monitoring System (CEMS) is the equipment that is used for the determination of a gas or particulate matter concentration or emission rate using pollutant analyzer measurements, conversion equations, graphs, or computer programs to produce results in units of the applicable emission limitation or standard. CEMS are required under some of US EPA regulations for either continual compliance or when one is exceeding the standards.

Method 3A Determination of Oxygen and Carbon Dioxide  Concentrations in Emissions from Stationary Sources
Method 6C Determination of Sulfur Dioxide Emissions from Stationary Sources
Method 7E Determination of Nitrogen Oxide Emissions from Stationary Sources
Method 10 Determination of Carbon Monoxide Emissions  from Stationary Sources
Method 25A Determination of Total Gaseous Organic Concentration using a Flame Ionization Analyze