LC–MS/MS analysis was performed using an Agilent 1100 liquid
chromatography (Palo Alto, CA) coupled to a Q Trap MS (Applied
Biosystems/MDS Sciex, Concord, ON, Canada) which was equipped
with an electrospray ionisation (ESI) source. The eight cabamate
pesticides were separated by a Waters XTerra C18 column
(250 mm 4.6 mm, i.d. 5 lm). The mobile phase was a mixture
of water and acetonitrile