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View Actual EPA Method 3820 (PDF File)
EPA Method 3820:HEXADECANE EXTRACTION AND SCREENING OF PURGEABLE ORGANICS
Summary:An aliquot of sample is extracted with hexadecane and then analyzed by GC/FID. The results of this analysis will indicate whether the sample requires dilution or methanolic extraction prior to purge-and-trap GC or GC/MS analysis.
Scope:This method is a screening procedure for use with purge-and-trap GC or GC/MS. The results of this analysis are purely qualitative and should not be used as an alternative to more detailed and accurate quantitation methods.
Report Number:SW-846 Ch 4.5