and instrumental
detection limits ranged from 0.001 to 0.01 mg/kg. Mean recoveries for vegetables spiked at three
fortification levels (0.001e2.5 mg/kg) ranged from 70.07 to 118.90%. Relative standard deviations ranged
from 0.15 to 8.58%, except: dicofol, pyridaben (acaricides), dichloran (fungicide), isofenphos, triasophos
(insecticides) where mean recoveries were above 120% (122.2e127%)