EPA Method 25A


EPA Method 25A does not directly match ALS - Columbia's list of currently available methods. Please call for availability.

ALS - Columbia offers the following EPA Method 25 variations:

EPA Method 25C testing is available at the Simi Valley Laboratory.

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EPA Method 25A:
DETERMINATION OF TOTAL GASEOUS ORGANIC CONCENTRATION USING A FLAME IONIZATION ANALYZER

Summary:
A gas sample is extracted from the source through a heated sample line and glass fiber filter to a flame ionization analyzer (FIA). Results are reported as volume concentration equivalents of the calibration gas or as carbon equivalents.

Scope:
This method is applicable for the determination of total gaseous organic concentration of vapors consisting primarily of alkanes, alkenes, and/or arenes (aromatic hydrocarbons). The concentration is expressed in terms of propane (or other appropriate organic calibration gas) or in terms of carbon.

Date Issued:
11/8/1994

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Examples:  8260
TO-15

Examples:  Dioxin
Mercury
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