This method is used for the determination of vinyl acetate. The sample is collected on a carbon molecular sieve tube, desorbed in 95:5 methylene chloride:methanol, and analyzed using GC/FID (flame ionization detector).
The working range of the method is 0.085 to 247 ppm (0.3 to 870 mg/m³) for a 10 L air sample. The method is sensitive enough for ceiling measurements.
NOTE: This method is adapted from OSHA Method 51 and replaces NIOSH Method P&CAM 278.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 30 days from sampling to analysis if samples kept at 5°C. |
| Preservatives: | Store samples at 5°C. |
| Required Preps: | Carbon molecular sieve (ORBO 92 or equivalent), 160 mg/180 mg |
| Collection Method: | The method recommends a 0.1 - 0.2 L/min. flow rate and a 0.085 - 24 L collection volume. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
1453
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Vinyl Acetate | C4H6O2 |
108-05-4 |
1 |
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.