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| two-step, odor-cued grab sample into the m-FEP bag followed by extraction of the bagged air with sorbent tubes | ratio of MS detector response to naphthalene (odorant)/chloroform (tracer) |
|---|---|
| sample #1 | 0.84 |
| sample #2 | 0.98 |
| sample #3 | 0.96 |
| sample #4 | 0.95 |
| sample #5 | 1.07 |
| mean | 0.96 |
| St. Dev. | 0.082 |
| RSD | 8.56% |
The ratio of MS detector response to naphthalene (odorant)/chloroform (tracer) showed sufficient precision.
