EPA Method 8100

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EPA Method 8100:
Polynuclear Aromatic Hydrocarbons

Summary:
Samples are extracted and cleaned up (according to sample matrix) and then are directly injected into a gas chromatograph using the solvent flush technique and are detected by a flame ionization detector.

Scope:
This method determines the concentration of polynuclear aromatic hydrocarbons (PAHs) in water and solid samples using gas chromatography and flame ionization detection.

Citation:
SW-846 Online: Test Methods for Evaluating Solid Waste, Physical/Chemical Methods

Interferences:
(A) Method interferences: Contaminants in solvents, reagents, glassware, and other sample processing hardware may lead to elevated baselines and/or other interferences in the gas chromatograms. Routine analysis of reagent blanks should be performed as a check for method interferences. Proper selection of reagents and purification of solvents by distillation in all-glass systems may be required.(B) Matrix interferences: Unique samples may require additional cleanup.(C) Refer to Methods 3500, 3600, and 8000.

QC Requirements:
Refer to Chapter One and Methods 8000, 3500, and 3600 for specific QC procedures. Procedures include: validation of extraction and clean up techniques, analysis of quality control check samples, method blanks, matrix spikes, and surrogates. In addition, refer to Method 8000, Section 8.6 for procedures to check the GC system operation.

Maximum Holding Time:
Aqueous samples - 7 days (sample), 40 days (extract). Solid samples - 14 days (sample), 40 (extract). Also, see SW-846 Chapter Four for information.

Media:
VARIOUS

Subcategory:
Organic

Concentration:
Not Available.

Sample Prep:
Methods 3510, 3520, 3540, or 3550

Precision:
Precision and accuracy values were calculated using regression equations from EPA Method 610 (reproduced in Method 8100).

Detection:
None.

Revision Number:
Revision 0, September 1986

Test Description:
Polynuclear Aromatic

Report Number:
SW-846 Ch 4.3.1