Research Article
Determination of Levels of Organochlorine, Organophosphorus, and Pyrethroid Pesticide Residues in Vegetables from Markets in Dar es Salaam by GC-MS
Table 3
Mean concentrations (±SD) of pesticide residues in spinach samples (mg/kg).
| Site | Sample | p,p′-DDD | o,p′-DDD | α-Endosulfan | β-Endosulfan | Chlorpyrifos | Cypermethrin |
| Kko | S1 | () × 10−3 | ND | ND | ND | ND | ND | S2 | () × 10−3 | ND | () × 10−1 | () × 10−2 | | () × 10−2 | S3 | ND | ND | ND | ND | ND | ND |
| Bgn | S4 | () × 10−1 | () × 10−2 | ND | ND | ND | ND | S5 | () × 10−3 | ND | ND | ND | ND | ND | S6 | () × 10−3 | ND | () × 10−1 | () × 10−2 | | () × 10−2 |
| Mny | S7 | () × 10−3 | () × 10−4 | () × 10−1 | () × 10−2 | | ND | S8 | () × 10−3 | ND | ND | ND | ND | ND | S9 | ND | ND | ND | ND | ND | ND |
| Tmk | S10 | () × 10−2 | ND | ND | ND | | () × 10−2 | S11 | () × 10−2 | ND | () × 10−1 | () × 10−2 | | () × 10−2 | S12 | ND | ND | ND | ND | ND | ND |
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ND = not detected.
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