Bozlaker Ayse, Muezzinoglu Aysen, Odabasi Mustafa
Department of Environmental Engineering, Faculty of Engineering, Dokuz Eylul University, Kaynaklar Campus, Buca 35160, Izmir, Turkey.
J Hazard Mater. 2008 May 30;153(3):1093-102. doi: 10.1016/j.jhazmat.2007.09.064. Epub 2007 Sep 21.
Concurrent ambient air and dry deposition samples were collected during two sampling periods at the Aliaga industrial region in Izmir, Turkey. Sigma 15-PAH (particulate+gas) concentrations ranged between 7.3 and 44.8 ng m(-3) (average+/-S.D., 25.2+/-8.8 ng m(-3)) and 10.2-71.9 ng m(-3) (44.1+/-16.6 ng m(-3)) in summer and winter, respectively. Winter/summer individual ambient PAH concentration ratios ranged between 0.8 (acenaphthene) and 6.6 (benz[a]anthracene) indicating that wintertime concentrations were affected by residential heating emissions. In contrast to the ambient concentrations, summation operator(15)-PAH particle dry deposition fluxes were higher in summer (5792+/-3516 ng m(-2)day(-1), average+/-S.D.) than in winter (2650+/-1829 ng m(-2)day(-1)), probably due to large particles from enhanced re-suspension of polluted soil particles and road dust. Average overall dry deposition velocity of PAHs calculated using the dry deposition fluxes and particle-phase concentrations was 2.9+/-3.5 cm s(-1). summation operator(15)-PAH concentrations in soils taken from 50 points in the area ranged between 11 and 4628 microg kg(-1) in dry weight. The spatial distribution of these concentrations indicated that the urban Aliaga, steel plants, the petroleum refinery, and the petrochemical plant are the major Sigma 15-PAH sources in the area. Fugacity calculations in air and soil showed that the soil acts as a secondary source to the atmosphere for low molecular weight PAHs in summer and as a sink for the higher molecular weight ones in summer and winter.
在土耳其伊兹密尔的阿利亚加工业区的两个采样期内，同时采集了环境空气和干沉降样本。夏季和冬季的 Σ15 - 多环芳烃（颗粒态 + 气态）浓度分别在 7.3 至 44.8 ng m⁻³（平均值 ± 标准差，25.2 ± 8.8 ng m⁻³）和 10.2 至 71.9 ng m⁻³（44.1 ± 16.6 ng m⁻³）之间。冬季/夏季各环境多环芳烃浓度比值在 0.8（苊）至 6.6（苯并[a]蒽）之间，表明冬季浓度受居民供暖排放影响。与环境浓度相反，夏季的 Σ15 - 多环芳烃颗粒干沉降通量（5792 ± 3516 ng m⁻²·天⁻¹，平均值 ± 标准差）高于冬季（2650 ± 1829 ng m⁻²·天⁻¹），这可能是由于污染土壤颗粒和道路灰尘再悬浮增强产生的大颗粒所致。利用干沉降通量和颗粒相浓度计算得出的多环芳烃平均总干沉降速度为 2.9 ± 3.5 cm s⁻¹。该区域 50 个采样点土壤中的 Σ15 - 多环芳烃浓度干重范围在 11 至 4628 μg kg⁻¹ 之间。这些浓度的空间分布表明，阿利亚加市区、钢铁厂、炼油厂和石化厂是该区域主要的 Σ15 - 多环芳烃来源。空气和土壤中的逸度计算表明，夏季土壤是低分子量多环芳烃向大气的二次源，而在夏季和冬季土壤是高分子量多环芳烃的汇。
