Raw buffalo milk samples from the agroindustrial zone in upper Egypt were ana-lyzed for the presence of organochlorine and organophosphorus pesticides using gaschromatography–mass spectroscopy. Five organochlorine pesticides namely, alachlor, dield-rin, hexachlorobenzene, lindane and methoxychlor and three organophosphorus pesticideschlorpyrifos, malathion, and parathion-methyl were detected in the milk samples. In 44%of the samples, the concentrations of lindane and malathion residues exceeded tolerancelevels ... Read more