Table 5.
Summary of the concentrations of analysed pesticides in Irish soils within 24 h and one week after pesticide application (n = 13, that is, the number of sites where pesticides were recently applied).
| Pesticides (μg/kg) | Sampling | Min | Max | Me | Med | SD | CoV | Detection rates |
Relative detection (Sites Detected: Sites Applied) |
|---|---|---|---|---|---|---|---|---|---|
| (13 sites) (%) | |||||||||
| Acetamiprid | 24 h | n.d. | <LOQ | <LOQ | <LOQ | – | – | 31 | 4:0 |
| One week | n.d. | <LOQ | <LOQ | <LOQ | – | – | 62 | 8:0 | |
| Azoxystrobin | 24 h | n.d. | 2.523 | 0.319 | 1.323 | 0.757 | 80.51% | 23 | 2:2 |
| One week | n.d. | 2.071 | 0.159 | 1.03 | 0.574 | 0.00% | 8 | 1:2 | |
| Boscalid | 24 h | n.d. | 1.59 | 0.142 | 0.795 | 0.437 | 117.90% | 23 | 3:0 |
| One week | n.d. | 1.034 | 0.099 | 0.517 | 0.284 | 82.02% | 23 | 3:0 | |
| Clothianidin | 24 h | n.d. | <LOQ | <LOQ | <LOQ | – | – | 31 | 4:0 |
| One week | n.d. | 0.271 | 0.044 | 0.136 | 0.094 | 11.63% | 23 | 3:0 | |
| Fluroxypyr | 24 h | n.d. | <LOQ | <LOQ | <LOQ | – | – | 31 | 4:9 |
| One week | n.d. | <LOQ | <LOQ | <LOQ | – | – | 31 | 2:9 | |
| Imidacloprid | 24 h | n.d. | <LOQ | <LOQ | <LOQ | – | – | 23 | 3:0 |
| One week | n.d. | – | – | – | – | – | 0 | 0:0 | |
| Prothioconazole | 24 h | n.d. | 45.66 | 3.851 | 0.44 | 12.563 | 256.50% | 85 | 11:11 |
| One week | n.d. | 5.02 | 1.06 | 0.44 | 1.468 | 98.84% | 85 | 11:11 | |
| Thiacloprid | 24 h | n.d. | 0.24 | 0.086 | 0.08 | 0.051 | 72.74% | 92 | 12:0 |
| One week | 0.194 | 0.242 | 0.234 | 0.238 | 0.013 | 5.58% | 100 | 13:0 | |
| Thiamethoxam | 24 h | n.d. | 1.465 | 0.872 | 1.376 | 0.719 | 3.70% | 62 | 8:0 |
| One week | n.d. | 1.489 | 0.91 | 1.469 | 0.749 | 0.60% | 62 | 8:0 |
Notation. Min = minimum; Max = maximum; Me = mean; Med = median; SD = standard deviation; CoV = coefficient of variance; n.d. = not detected; and LOQ = Limit of Quantification.