EPA Method 3500C


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EPA Method 3500C:
ORGANIC EXTRACTION AND SAMPLE PREPARATION

Summary:
A sample of a known volume or weight is extracted with solvent or diluted with solvent. Method choices for aqueous samples include liquid-liquid extraction by separatory funnel or by continuous extractor and solid-phase extraction (SPE). Method choices for soil/sediment and solid waste samples include standard solvent extraction methods utilizing either Soxhlet, automated Soxhlet, or ultrasonic extraction. Solids may also be extracted using pressurized extraction techniques such as supercritical fluid extraction, pressurized fluid extraction, or microwave extraction.

Scope:
This method provides general guidance on the selection of methods used in the quantitative extraction (or dilution) of samples for analysis by one of the semivolatile or nonvolatile determinative methods.

Report Number:
SW-846 www

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Examples:  8260
TO-15

Examples:  Dioxin
Mercury
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