Journals / Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji / 2016 / Cilt: 4 - Sayı: 4

LEVELS OF HALOGENATED PERSISTENT ORGANIC POLLUTANTS IN THE INDOOR ENVIRONMENT OF A UNIVERSITY CAMPUS

ÜNİVERSİTE İÇ ORTAMINDA ÖLÇÜLEN HALOJENLİ KALICI ORGANİK KİRLETİCİLERİN SEVİYELERİ

Pages
321–329
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The PBDEs/PCBs >1 indicated that the current buildings were constructed after the use of PCB ban

📌 3 Key Takeaways

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Objective & Hypothesis:Concentration of Polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs) were detected in indoor dust of four different microenvironments (laboratories and classrooms in environmental and mechatronics engineering departments, classrooms in the faculty of law and library) in a university campus.
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Key Findings & Data:The mean concentrations of Σ14PBDEs and Σ15PCBs in 2 chemical laboratories, 2 computer laboratories, 5 classrooms, 2 saloons of library were 88.47, 613.71, 281.9 and 152.79 ng g-1, and 82.81, 205.62, 27.64 and 67.94 ng g-1 for PBDEs and PCBs, respectively.
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Conclusion & Impact:The PBDEs/PCBs >1 indicated that the current buildings were constructed after the use of PCB ban
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Concentration of Polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs) were detected in indoor dust of four different microenvironments (laboratories and classrooms in environmental and mechatronics engineering departments, classrooms in the faculty of law and library) in a university campus. The mean concentrations of Σ14PBDEs and Σ15PCBs in 2 chemical laboratories, 2 computer laboratories, 5 classrooms, 2 saloons of library were 88.47, 613.71, 281.9 and 152.79 ng g-1, and 82.81, 205.62, 27.64 and 67.94 ng g-1 for PBDEs and PCBs, respectively. BDE 209 was the most dominated congener with a mean value of 173.56 ng g-1, followed by BDE 153 (mean:15.83 ng g-1) and BDE-183 (mean:15.30 ng g-1). The elevated concentrations of PBDEs and PCBs measured in computer laboratory indicated that the main sources of these congeners could be microprocessor packaging in computers, printed circuit boards and older computers cabinet treated with these pollutants. While the conducted chemical experiments and existince of chemicals stored in the chemical laboratory could be the source of PCBs, however, it is thought that they may not affect the levels of measured PBDEs in environmental laboratory. The PBDEs/PCBs >1 indicated that the current buildings were constructed after the use of PCB ban

Özet

Bir üniversite kampüsünde farklı özelliklere sahip mikroçevrelerde (çevre ve mekatronik mühendisliği bölümünde bulunan laboratuvar ve sınıflar, hukuk fakültesinde bulunan sınıflar ve kütüphane) toplanan iç ortam tozlarında Poliklorlu Bifenil (PCB)'ler ve Polibromlu Difenil Eter (PBDE)'lerin ölçümü yapılmıştır. 2 kimya laboratuvarı, 2 bilgisayar laboratuvarı, 5 sınıf ve 2 kütüphane salonunda ölçülen ortalama ?14PBDE ve ?15PCB değerleri sırasıyla: 88,47, 613,71, 281,9 ve 152,79 ng g-1 ve 82,81, 205,62, 27,64 ve 67,94 ng g-1'dır. En yüksek konsantrasyona sahip izomer BDE-209 (ortalama: 173,56 ng g-1), daha sonra BDE-153 (ortalama: 15,83 ng g-1) ve BDE183 (ortalama:15,30 ng g-1) olarak belirlenmiştir. Diğer mikroçevrelere göre bilgisayar laboratuvarında yüksek PBDE ölçülmesinin sebebi bu kirleticilerin ihtiva edildiği mikroişlemcilerin ve eski bilgisayar kasalarının laboratuvarda bulunması olarak düşünülmektedir. Çevre laboratuvar-1'de yapılan deneyler ve kimyasal deposunun bulunması PCB seviyelerinin kaynağı olabileceği ancak bu kaynakların PBDE seviyelerini etkilemediği tahmin edilmektedir. PBDE/PCB oranının birden büyük olması binaların yapımında PCB içerikli malzemelerin kullanılmadığını göstermektedir

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Cite This Article

CİVAN, M. Y. (2022). LEVELS OF HALOGENATED PERSISTENT ORGANIC POLLUTANTS IN THE INDOOR ENVIRONMENT OF A UNIVERSITY CAMPUS. Gazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknoloji, Cilt: 4 - Sayı: 4, 321–329. https://ajindex.com/articles/522243

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