About Book: This book present the work that the study of investigate pesticide residues in market fruit and vegetables. Pesticide residues were determined by Gas Chromatography- Mass Spectrometry (GC-MS) and Liquid Chromatography-Mass Spectrometry. A Multi-residue and PGR methods were described for simultaneous determination of pesticides commonly used in crop protection. This methods used to determine pesticide residues with a broad range of physicochemical properties in fresh fruits and vegetables related to Organophosphorus (OPP), Organochlorines (OCP), Pyrethroids, and Carbamates mainly...