EPA Method 3810


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EPA Method 3810:
HEADSPACE

Summary:
The sample is collected in sealed glass containers and allowed to equilibrate at 90EC. A sample of the headspace gas is withdrawn with a gas-tight syringe for screening analysis using the conditions specified in one of the GC or GC/MS determinative methods (8010, 8015, 8020, 8030, or 8240).

Scope:
Method 3810 is a static headspace technique for extracting volatile organic compounds from samples. It is a simple method that allows large numbers of samples to be screened in a relatively short period of time. It is ideal for screening samples prior to using the purge-and-trap method. Detection limits for this method may vary widely among samples because of the large variability and complicated matrices of waste samples. The method works best for compounds with boiling points of less than 125EC. The sensitivity of this method will depend on the equilibria of the various compounds between the vapor and dissolved phases.

Report Number:
SW-846 Ch 4.5

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Examples:  8260
TO-15

Examples:  Dioxin
Mercury
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