Seasonal Variation of Atmospheric PCB Concentrations in İnegöl

Yıl 2024, Cilt: 5 Sayı: 2, 115 - 127, 31.12.2024

Burak Çalışkan , S. Sıddık Cindoruk , Mustafa Odabaşı

Öz

This study investigated the seasonal variations and regional differences in atmospheric PCB concentrations in the İnegöl district. The results showed that PCB concentrations were 1.56 times higher in summer compared to winter. During the summer sampling campaign, the average total ∑41 PCB concentration was determined as 256.37±136.6 pg/m³, whereas it was measured as 161.62±89.84 pg/m³ in winter. The dominant homolog group in summer was 5-chlorinated PCBs (5-Cl), while in winter, 3-chlorinated PCBs (3-Cl) were predominant. The data revealed the impact of industries, urban areas, and treatment facilities on PCB concentrations. For example, in the summer period, the highest average PCB concentration was measured in urban areas (309.63±108.12 pg/m³), whereas in winter, concentrations were highest near treatment facilities (290.53±116.10 pg/m³). The study demonstrated that the seasonal distribution of PCB types varied depending on regional sources. Compared to previous literature, the obtained concentrations exhibited both lower and higher values. These differences were attributed to sampling periods, meteorological conditions, and changes in regional industrial activities.

Anahtar Kelimeler

PCB, Passive Air Sampler, Seasonal Comparison

İnegöl'de Mevsimsel Atmosferik PCB Konsantrasyonlarının Belirlenmesi

Öz

Kalıcı organik kirleticiler (KOK'lar), doğada uzun süre kalabilen ve insan sağlığı ile ekosistemler üzerinde ciddi riskler oluşturan kimyasal bilesşiklerdir. Bu çalışma, Bursa'nın İnegöl ilçesinde atmosferik poliklorlu bifenil (PCB) konsantrasyonlarını belirlemek ve mevsimsel farklılıklarını ortaya koymak amacıyla gerçekleştirilmiştir. Yaz (29 Haziran - 28 Ağustos 2020) ve kış (17 Aralık 2020 - 18 Şubat 2021) dönemlerinde dokuz farklı noktada pasif hava örnekleyiciler kullanılarak örnekleme yapılmış ve toplam 41 PCB türü analiz edilmiştir. Yaz aylarında ortalama toplam PCB konsantrasyonu 256.37±136.6 pg/m3, kış aylarında ise 161.62±89.84 pg/m3 olarak bulunmuştur. Yaz döneminde kış dönemine göre 1.56 kat daha yüksek konsantrasyonlar kaydedilmiştir. İnegöl'ün endüstriyel yapısı ve atmosferik dinamikleri, çevresel PCB konsantrasyonlarına önemli ölçülerde katkı sağlamıştır. Bulgular, uluslararası literatür ile karşılaştırılmış ve sektörel farklılıkların etkileri tartışılmıştır.

Anahtar Kelimeler

PCB, Pasif Hava Örnekleyici, Mevsimsel Karşılaştırma

Kaynakça

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