Methanol (pg/ml) | C18 Sep Pak (pg/ml) | Non-Extraction (pg/ml) | |
Sample 1 | 1357 | 822 | 1061 |
Sample 2 | 1458 | 769 | 865 |
Sample 3 | 1262 | 782 | 772 |
Sample 4 | 1260 | 649 | 811 |
Sample 5 | 1195 | 663 | 713 |
Sample 6 | 1112 | 829 | 1169 |