This method is for the collection and analysis of toluene. Adsorbent tube samples are collected by drawing workplace air through either coconut shell charcoal or Anasorb® 747 tubes with personal sampling pumps. Diffusive samples are collected by exposing either 3M Organic Vapor Monitors (OVMs) or Passive Samplers to workplace air. Samples are desorbed with 60/40 (v/v) N,N-dimethylformamide/carbon disulfide and analyzed by gas chromatography using a flame ionization detector.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 15 days. |
| Preservatives: | Store at room temperature. |
| Required Preps: | Anasorb 747 tube (140mg/70mg) or coconut shell charcoal solid sorbent tube: 100mg/50mg, 7cm x 6mmOD x 4mmID. |
| Collection Method: | Anasorb 747 tube or coconut shell charcoal tube: < 240 min @ 50mL/min (TWA) or > 10 min @ 50mL/min (celing samples). |
| Analytical Methodology: | GC/FID |
| Documentation: | 
111
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Toluene | C7H8 |
108-88-3 |
344 |
ng |
* 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.