Table 3.
Recoveries and relative standard deviation (RSD) of the sum of pyrethrins in leaf lettuce
| Matrix | Fortified Level (mg/kg) | Fortified Recovery (%) | RSD (%) |
|---|---|---|---|
| leaf lettuce | 0.05 | 104.0 ± 3.3 | 3.1 |
| 0.1 | 103.4 ± 1.0 | 0.9 | |
| 1 | 99.4 ± 2.8 | 2.9 |
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