Hava ve polen örneklerindeki organoklorlu pestisit (OCP) kalýntýlarý ve bu ortamlar arasýndaki kirletici geçiþlerinin belirlenmesi

Bu çalýþmada, kentsel ve yarý kentsel bölgelerdeki hava ve polen örneklerinde organoklorlu pestisit (OCP) konsantrasyonlarýnýn bölgesel ve zamansal deðiþimleri ile hava/polen arasýndaki daðýlýmlarýn belirlenmesi amaçlanmýþtýr. Örnekleme periyodu boyunca hava ve polen örneklerindeki toplam 10 OCP (∑10OCP) konsantrasyonlarý kentsel örnekleme noktasý için sýrasýyla 318.2±73.7 pg/m3 ve 21.7±5.1 ng/g, yarý-kentsel örnekleme noktasý için ise sýrasýyla 390.1±103.5 pg/m3 ve 20.0±3.3 ng/g olarak belirlenmiþtir. Ayrýca α-HCH ve endosülfan-ß bileþiklerinin hem polen hem de hava örneklerinde en baskýn OCP bileþikleri olduðu belirlenmiþtir. Her iki örnekleme noktasýnda genellikle yaz aylarýnda yüksek OCP konsantrasyonlarý ölçülmüþtür. Hava ve polen arasýndaki OCP geçiþlerinin belirlenmesi için polen/hava daðýlým katsayýsý (KPA) hesaplanmýþtýr. Elde edilen sonuçlara göre, hem kentsel hem de yarý-kentsel örnekleme noktasýnda genellikle polenden dýþ ortam havasýna OCP geçiþlerinin olduðu belirlenmiþtir.

Determination of organochlorine pesticide (OCP) residues in air and pollen samples and pollutant partition between these environments

In this study, it was aimed to determine the regional and temporal variations of organochlorine pesticide (OCP) concentrations in air and pollen samples in urban and semi-urban areas and the distribution between air/pollen. A total of 10 OCP (∑10OCP) concentrations in air and pollen samples during the sampling period were determined as 318.2±73.7 pg/m3 and 21.7±5.1 ng/g for the urban sampling point and 390.1±103.5 pg/m3 and 20.0±3.3 ng/g for the semi-urban point, respectively. In addition, it was determined that α-HCH and endosulfan-ß compounds were the most dominant OCP compounds in both pollen and air samples. High OCP concentrations were measured at both sampling points, usually during the summer months. Pollen/air partition coefficient (KPA) was calculated to determine OCP exchange between air and pollen. According to the results obtained, it has been determined that there are generally OCP transitions from pollen to ambient air at both urban and semi-urban sampling points.