This method describes the sample collection and analysis of Coal Tar Pitch Volatiles (CTPV), Coke Oven Emissions (COE), and Selected Polynuclear Aromatic Hydrocarbons (PAHs). Air samples are collected by drawing known amounts of air through cassettes containing glass fiber filters (GFF). The filters are analyzed by extracting with benzene and gravimetrically determining the benzene-soluble fraction (BSF). If the BSF exceeds the appropriate PEL, then the sample is analyzed by high performance liquid chromatography (HPLC) with a fluorescence (µL) or ultraviolet (UV) detector to determine the presence of selected polynuclear aromatic hydrocarbons (PAHs).
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Recovery remained between 89.4 to 99.9% after 15 days of storage at ambient temperature (22°C) or refrigeration at -20°C. |
| Preservatives: | Keep refrigerated or at ambient temperature. |
| Required Preps: | A two-piece cassette containing a glass fiber filter is the sampling device. |
| Collection Method: | Glass fiber filter: 960L @ 2.0L/min |
| Analytical Methodology: | HPLC-UV or Fluorescence detector. |
| Documentation: | 
058
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Anthracene | C14H10 |
120-12-7 |
0.027 |
µg |
| Pyrene | C16H10 |
129-00-0 |
0.25 |
µg |
| Chrysene | C18H12 |
218-01-9 |
0.07 |
µg |
| Benzo[a]pyrene | C20H12 |
50-32-8 |
0.043 |
µg |
| Phenanthrene | C14H10 |
85-01-8 |
0.41 |
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.