首页> 外文期刊>Journal of Environmental Science and Health. A >MONITORING DIOXINS AND FURANS NEAR AN OLD MUNICIPAL SOLID WASTE INCINERATOR: TEMPORAL VARIATION IN VEGETATION
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MONITORING DIOXINS AND FURANS NEAR AN OLD MUNICIPAL SOLID WASTE INCINERATOR: TEMPORAL VARIATION IN VEGETATION

机译:在旧的城市固体废物焚化炉附近监测二恶英和呋喃:植被的时间变化

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摘要

To determine the temporal variation in the levels of polychlorinated dibenzop-dioxins (PCDDs) and dibenzofurans (PCDFs) in vegetation grown near an old municipal solid waste incinerator (Montcada, Barcelona, Spain), 24 herbage samples were collected at the same sampling points in which samples has been taken one year before. While in the previous survey PCDD/F concentrations ranged from 1.07 to 3.05 ng I-TEQ/kg (dry matter) (median value: 1.88 ng I-TEQ/kg, mean value: 1.92 ng I-TEQ/kg), in the current samples PCDD/F levels ranged from 0.75 to 1.95 ng I-TEQ/kg (dry matter) median value: 1.27 ng I-TEQ/kg, mean value: 1.30 ng ITEQ/kg). An individual comparison between PCDD/F concentrations in samples collected in both studies shows a decrease in all the sampling points with an average reduction of 32.3/100. This reduction can be due to general abatement actions for PCDD/F emissions.
机译:为了确定在旧的城市固体废物焚化炉(蒙特卡达,巴塞罗那,西班牙)附近生长的植被中多氯二苯并二恶英(PCDDs)和二苯并呋喃(PCDFs)水平的时间变化,在西班牙的相同采样点收集了24个草本样品。哪一个样品是一年前采集的。在先前的调查中,PCDD / F的浓度范围为1.07至3.05 ng I-TEQ / kg(干物质)(中值:1.88 ng I-TEQ / kg,平均值:1.92 ng I-TEQ / kg),当前样品的PCDD / F水平范围为0.75至1.95 ng I-TEQ / kg(干物质),中值:1.27 ng I-TEQ / kg,平均值:1.30 ng I-TEQ / kg。在两项研究中收集的样品中PCDD / F浓度之间的单独比较显示,所有采样点均减少,平均减少32.3 / 100。这种减少可能归因于PCDD / F排放物的一般减排行动。

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