Organochlorines are synthetic organic compounds with at least one chlore atom and used as solvant, pesticide, insecticide, fongicide or refrigerant ou molecules in chemistry and pharmacy.The best known are pesticides (DDT, aldrin, kepone, dieldrin, chlordane, heptachlor, endrin, mirex, PCBs, toxaphene, lindane, etc.), PCBs and dioxins. Most of thoes are not targets or lignad of A\/B hydrolases