International Journal of Analytical Chemistry

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).
SiteSamplep,p′-DDDo,p′-DDDα-Endosulfanβ-EndosulfanChlorpyrifos Cypermethrin
KkoS1() × 10−3NDNDNDNDND
S2() × 10−3ND() × 10−1() × 10−2() × 10−2
S3NDNDNDNDNDND
BgnS4() × 10−1() × 10−2NDNDNDND
S5() × 10−3NDNDNDNDND
S6() × 10−3ND() × 10−1() × 10−2() × 10−2
MnyS7() × 10−3() × 10−4() × 10−1() × 10−2ND
S8() × 10−3NDNDNDNDND
S9NDNDNDNDNDND
TmkS10() × 10−2NDNDND() × 10−2
S11() × 10−2ND() × 10−1() × 10−2() × 10−2
S12NDNDNDNDNDND
ND = not detected.