This method is used for the collection and analysis of vinyl chloride. The sample is collected on a two charcoal tubes in series. After sampling, separate the primary and backup tubes and cap each for shipment to the lab. Each tube is desorbed with 1mL of carbon disulfide and analyzed by GC/FID (flame ionization detector).
The working range of the method is 0.4 to 40 mg/m³ (0.16 to 16 ppm) for a 5 L air sample.
Note: This method is a revision of P&CAM 178.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | 10 days from sampling to analysis if samples are kept at 25°C. |
| Preservatives: | Store samples at 25°C. |
| Required Preps: | Coconut charcoal tubes, 150 mg (SKC 226-01) |
| Collection Method: | The method recommends a flow rate of 0.05 L/min. with a sample collection volume of 0.7 - 5L. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
1007
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Vinyl chloride | C2H3Cl |
75-01-4 |
0.04 |
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.