EPA Method 204B


EPA Method 204B does not directly match ALS - Columbia's list of currently available methods. Please call for availability.


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EPA Method 204B:
VOLATILE ORGANIC COMPOUNDS EMISSIONS IN CAPTURED STREAM

Summary:
A gas sample is extracted from the source though a heated sample line and, if necessary, a glass fiber filter to a flame ionization analyzer (FIA).

Scope:
This procedure is applicable for determining the volatile organic compounds (VOC) content of captured gas streams. It is intended to be used in the development of a gas/gas protocol for determining VOC capture efficiency (CE) for surface coating and printing operations. The procedure may not be acceptable in certain site-specific situations [e.g., when: (1) direct-fired heaters or other circumstances affect the quantity of VOC at the control device inlet; and (2) particulate organic aerosols are formed in the process and are present in the captured emissions].

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Examples:  8260
TO-15

Examples:  Dioxin
Mercury
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