EPA Method 25D

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EPA Method 25D:
DETERMINATION OF THE VOLATILE ORGANIC CONCENTRATION OF WASTE SAMPLES

Summary:
A sample of waste is obtained at a point which is most representative of the unexposed waste (where the waste has had minimum opportunity to volatilize to the atmosphere). The sample is suspended in an organic/aqueous matrix, then heated and purged with nitrogen for 30 min in order to separate certain organic compounds. Part of the sample is analyzed for carbon concentration, as methane, with an FID, and part of the sample is analyzed for chlorine concentration, as chloride, with an ELCD. The VO concentration is the sum of the carbon and chlorine content of the sample.

Scope:
This method is applicable for determining the volatile organic (VO) concentration of a waste sample.

Date Issued:
9/25/1996