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View Actual EPA Method 308 (PDF File)
EPA Method 308:Procedure for Determination of Methanol Emission from Stationary Sources
Summary:A gas sample is extracted from the sampling point in the stack. The methanol is collected in deionized distilled water and adsorbed on silica gel. The sample is returned to the laboratory where the methanol in the water fraction is separated from other organic compounds with a gas chromatograph (GC) and is then measured by a flame ionization detector (FID). The fraction adsorbed on silica gel is extracted with an aqueous solution of n-propanol and is then separated and measured by GC/FID.
Scope:This method applies to the measurement of methanol emissions from specified stationary sources.
Test Description:Methanol Emissions