This method for the determination of polynuclear aromatic hydrocarbons (PAH's). The sample is collected on a PTFE (Teflon) filter and a washed XAD-2 sorbent tube, extracted with acetonitrile, and analyzed by HPLC using fluorescence/UV detection.
This method is not applicable to samples that require a different extraction solvent or that contain large amounts of highly adsorptive particulate matter, e.g., fly ash or diesel soot. This method is also not applicable to asphalt fume samples.
NOTE: This method revises P&CAM 206 & 251. Method 5515 uses the same sampling technique, with GC measurement. Method 5800 uses same sampling technique and a flow injection method to determine total polycyclic aromatic compounds at two different sets of fluorescent wavelengths.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | None specified in the method. |
| Preservatives: | Protect samples from heat and UV light. |
| Required Preps: | 37mm, 2-µm pore size, PTFE membrane filter (SKC 225-1713) and a washed XAD-2 tube, 100mg/50mg (SKC 226-30-04) |
| Collection Method: | The method recommends a 2 L/min. flow rate and a 200 - 1000 L collection volume. |
| Analytical Methodology: | HPLC with fluorescence/UV detection |
| Documentation: | 
5506
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Anthracene | C14H10 |
120-12-7 |
0.09 |
µg |
| Pyrene | C16H10 |
129-00-0 |
0.3 |
µg |
| Benzo(g,h,i)perylene | C22H12 |
191-24-2 |
0.5 |
µg |
| Benzo[e]pyrene | C20H12 |
192-97-2 |
0.8 |
µg |
| Indeno(1,2,3-cd)pyrene | C22H12 |
193-39-5 |
0.2 |
µg |
| Benzo[b]fluoranthene | C20H12 |
205-99-2 |
0.2 |
µg |
| Fluoranthene | C16H10 |
206-44-0 |
0.09 |
µg |
| Benzo[k]fluoranthene | C20H12 |
207-08-9 |
0.04 |
µg |
| Acenaphthylene | C12H8 |
208-96-8 |
2 |
µg |
| Chrysene | C18H12 |
218-01-9 |
0.2 |
µg |
| Benzo[a]pyrene | C20H12 |
50-32-8 |
0.1 |
µg |
| Dibenz[a,h]anthracene | C22H14 |
53-70-3 |
0.6 |
µg |
| Benzo(a)anthracene | C18H12 |
56-55-3 |
0.09 |
µg |
| Acenaphthene | C12H10 |
83-32-9 |
5 |
µg |
| Phenanthrene | C14H10 |
85-01-8 |
0.06 |
µg |
| Fluorene | C13H10 |
86-73-7 |
0.3 |
µg |
| Naphthalene | C10H8 |
91-20-3 |
0.8 |
µg |
* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.