Table 2.
Percent (%) recovery at 100 and 1000 ppm spike levels on method blanks.
| Percent (%) Recovery at Respective Spike Levels 1 | ||
|---|---|---|
| 100 ppm | 1000 ppm | |
| Acetic | 57.64 ± 2.89 | 54.24 ± 1.17 |
| Propionic | 87.60 ± 1.64 | 92.82 ± 1.43 |
| IsoButyric | N/A | N/A |
| Butyric | 100.71 ± 2.97 | 106.61 ± 1.54 |
| IsoValeric | 119.96 ± 4.10 | 127.83 ± 1.47 |
| Valeric | 121.41 ± 4.11 | 129.74 ± 1.88 |
| 4-methyl valeric | 107.80 ± 26.30 | 129.52 ± 3.34 |
| Hexanoic | 124.74 ± 4.94 | 129.57 ± 9.63 |
| Heptanoic | 128.97 ± 5.43 | 140.94 ± 2.10 |
1 Values are unadjusted means ± SD; N/A—not available.