Organochlorine Pesticide Residues in Aquatic Organisms from Koeyceiz Lagoon System, Turkey

This study had been carried out between October 1992 and February 1994 in Koeyceiz Lagoon System (KLS) which is aspecially protected area (SPA). Residues of organochlorine pesticides (OC) in Callinectes sapidus (blue crab) and infish (Capoeta capoeta, Oreochromis mossambica, Lizaramada, Chelon labrosus and Anguilla anguilla) from KLSwere analysed by gas chromatography. Residues of 5 OC pesticides(a-HCH (hexachlorocyclohexane); 0.48 kg kg super(-1),b-HCH; 0.58 kg kg super(-1), g-HCH; 2.60 kg kg super(-1), aldrin; 0.42 kg kg super(-1), and endrin; 1.80 kg kg super(-1)) were foundin crab samples, while 7 OC (Total DDT, dieldrin, a-HCH,b-HCH, g-HCH, aldrin and endrin) were observed infish samples. One of them, a-HCH was found in all fishspecies' muscle tissues. The average of results were 6.75 kg kg super(-1) for C. capoeta; 35.90 kg kg super(-1) for O. mossambica; 26.30 kg kg super(-1) for L. ramada; 5.33 kg kg super(-1) for kg kg super(-1) for C. labrosus; 5.00 kg kg super(-1) for A. anguilla.