Table 3.
Analyte | Detection frequency (%) | Median (μg/L) | Range (μg/L) |
---|---|---|---|
Acetamiprid | 2 | <LOD | <LOD–0.14 |
N-Desmethyl-acetamiprid | 90 | 0.17 | <LOD–2.2 |
Clothianidin | 37 | <LOD | <LOD–2.2 |
DCBA | 95 | 4.0 | <LOD–433 |
Imidacloprid | 30 | <LOD | <LOD–0.98 |
ECBA | 83 | 0.92 | <LOD–142 |
5-Hydroxy-imidacloprid | 42 | <LOD | <LOD–9.2 |
Thiacloprid | 0 | NA | NA |
Limit of detection (LOD) in μg/L: acetamiprid and clothianidin = 0.1; N-desmethyl-acetamiprid and 5-hydroxyimidacloprid= 0.03; imidacloprid and ECBA = 0.05; DCBA = 0.06; and thiacloprid = 0.01 NA, not applicable