EPA Method 3560

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EPA Method 3560:
SUPERCRITICAL FLUID EXTRACTION OF TOTAL RECOVERABLE PETROLEUM HYDROCARBONS

Summary:
A known amount of sample is transferred to the extraction vessel. The sample is then extracted in the dynamic mode for up to 30 min with supercritical carbon dioxide at 340 atm, 80EC and a gas flow rate of 500 - 1000 mL/min.

Scope:
Method 3560 describes the use of supercritical fluids for the extraction of total recoverable petroleum hydrocarbons (TRPHs) from soils, sediments, fly ash, solid-phase extraction media, and other solid materials which are amenable to extraction with conventional solvents. This method is suitable for use with any supercritical fluid extraction (SFE) system that allows extraction conditions (e.g., pressure, temperature, flow rate) to be adjusted to achieve separation of the TRPHs from the matrices of concern.

Report Number:
SW-846 Ch 4.2.1