Table 4.
Pesticide concentrations (μg/kg) in onion samples (on a wet weight basis) collected from CRV of Ethiopia
| Sampling area | Location name | Target Pesticide List | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profenofos | Metalaxyl | λ-Cyhalothrin | 4,4′-DDT | 4,4′-DDE | α-Endosulfan | α-Endosulfan β-endosulfan | |||||||||
| MRL in μg/kg | |||||||||||||||
| 50 | 500 | 20 | 3500 | 50 | |||||||||||
| The first (March) and second (May) sampling campaign of 2015 | |||||||||||||||
| March | May | March | May | March | May | March | May | March | May | March | May | March | May | ||
| Adamitulu Judo Kombolcha (AJK) | Edo Gojola | 11.0 | 0.2 | 19.0 | 31.0 | 0.4 | 15.0 | 1.7 | 1.8 | 1.0 | 0.3 | 1.5 | 0.6 | 3.1 | 0.5 |
| Abune Germama | 9.0 | 49.0 | 46.0 | 250 | 0.3 | 9.4 | 2.1 | ND | 3.7 | 0.7 | 0.6 | 4.9 | 0.8 | 15.0 | |
| Bocessa | 2.1 | 14.0 | 9.8 | 36.0 | 2.2 | 0.35* | 4.4 | 0.3 | 13.0 | 0.04 | 0.5 | 4.5 | 0.4 | 13.0 | |
| Doodicha | 1.6 | 0.22* | 14.0 | < 2.7 | 0.3 | 4.1 | 3.4 | 5.9 | 19.0 | < 0.4 | 1.5 | 0.2 | 1.9 | 0.2 | |
| Ilika Chelema | 27.0 | 7.1 | 120 | 33.0 | 4.5 | 5.0 | 6.1 | 14.0 | 11.0 | 1.6 | 0.7 | 0.3 | 1.2 | 0.2 | |
| Dugda Bora (DB) | Welda Mekedela | 7.1 | 0.8 | 33.0 | 15.0 | 5.0 | 6.0 | 15.0 | 9.4 | 1.6* | 3.7 | 0.2 | 0.5 | 0.3 | 1.0 |
| Welda Kelina | 30.0 | 3.3 | 340 | 110 | 130 | 8.0 | 160 | 6.9 | 6.7* | 4.2 | 13* | 0.3 | 26* | 0.3 | |
| Shubi Gamo | 0.09* | 0.05* | 5.9* | 19.0 | 5.8 | 9.9 | 9.3 | 5.8 | 0.24* | 6.8 | 0.3 | 0.3 | 0.2 | 0.2 | |
| Bekeli Girisa | 0.15* | 0.24* | 810 | < 5.1 | 11.0 | 7.9 | 21.0 | 11.0 | 33.0 | 10.0 | 0.5 | 0.2 | 0.6 | 0.2 | |
| Garba Korke Adi | 4.4 | 0.7 | 560 | 14.0 | 5.9 | 2.8 | 2.8 | 10.0 | 57.0 | 0.25* | 1.8 | 0.2 | 0.4 | 0.2 | |
| Arsi Negele (AN) | Shorba | 0.05* | < 0.07 | 1.6* | 5.0* | 4.4 | 7.6 | 4.8 | 14.0 | 1.0 | < 0.43 | 0.10 | 0.13 | 0.17 | 0.18 |
| Hargeda | 0.09* | < 0.06 | 4.9* | 4.6* | 3.7 | 2.4 | 5.2 | 7.1 | < 36 | < 0.39 | 0.12 | 0.18 | 0.16 | 0.16 | |
| Kerara | 0.08* | < 0.11 | < 1.9 | 7.3* | 6.9 | 3.5 | 18.0 | 13.0 | 5.3* | 12.0 | 0.15 | 0.16 | 0.17 | 0.20 | |
| Gedemso | 64 | < 0.07 | 540 | 3.7* | 3.0 | 3.9 | 3.4 | 11.0 | 0.29* | < 0.45 | 0.21 | 0.09 | 0.23 | 0.20 | |
| Turge | 0.17* | 0.08* | 6.6* | < 2.6 | 4.5 | 2.8 | 13.0 | 5.1 | 1.4* | < 0.44 | 0.14 | 0.14 | 0.24 | 0.18 | |
| Ziway Gugda (ZG) | Burka Lemefa | 0.1* | 0.07* | 52.0 | < 3.1 | 4.2 | 2.70 | 62.0 | 6.6 | 4.7 | 5.8 | 0.11 | 0.11 | 0.16 | 0.15 |
| Sengo | 0.2* | 0.19* | < 6.1 | < 8.1 | 5.4 | 3.8* | 31.0 | 9.0 | 4.2 | 11.0 | 0.08 | 0.15 | 0.16 | 0.32 | |
| Galbe | < 0.06 | 350 | 14.0 | ND | 6.5 | 470 | 14.0 | 130.0 | 2.6 | 160 | 0.14 | 17* | 0.22 | 58 | |
| Shenen Meja | 0.4 | 0.07* | 5.8* | 18.0 | 4.2 | 5.50 | 4.2 | 10.0 | 0.45* | 11.0 | 0.11 | 0.19 | 0.21 | 0.26 | |
| Burka Dalecha | 0.03* | 0.13* | 8.3 | 22.0 | 8.4 | 6.10 | 3.6 | 8.1 | 15.0 | 6.7 | 0.32 | 0.23 | 0.27 | 0.20 | |
*Value between LOD and LOQ. < X value less than LOD(X), ND not detected
Values were bolded just to show that they are significantly high results recorded among all the values obtained for the studied matrix