Influence of roofing materials and lead flashing on rainwater tank contamination by metals

MI Magyar; AR Ladson; C Diaper; VG Mitchell

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Influence of roofing materials and lead flashing on rainwater tank contamination by metals

机译：屋顶材料和铅闪对雨水箱中金属污染的影响

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The quality of rainwater collected in polyvinyl chloride (PVC) tanks from six trial roofs (glazed tile, pre-painted steel and aluminium-zinc coated steel, each with and without uncoated lead flashing) was monitored for nine months. Samples of water and sediment were collected at three monthly intervals and analysed for concentrations of metals (Al, Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn), in order to determine the influence of roof materials and uncoated lead (Pb) flashing upon metal contamination within the tanks. Lead concentration in tank water exceeded Australian Drinking Water Guidelines for all roof types where there was lead flashing. Lead flashing also contributed to contamination of tank sediments. In all cases, pH was low which contributed to a large proportion of lead being in the dissolved form.

机译：监测了六个月试验屋顶（釉面砖，预涂钢和铝锌涂层钢，每个都有和没有未涂层的铅闪）收集在聚氯乙烯（PVC）水箱中的雨水的质量，为期9个月。每三个月收集一次水和沉积物样本，并分析金属（Al，Cd，Cr，Cu，Fe，Mn，Ni，Pb和Zn）的浓度，以确定屋顶材料和未镀铅的影响（ Pb）罐内金属污染时闪动。对于所有有铅闪现的屋顶类型，储罐中铅的浓度均超过了澳大利亚饮用水准则。铅闪也造成了坦克沉淀物的污染。在所有情况下，pH都较低，这导致大部分铅以溶解形式存在。

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来源
《Australian journal of water resources》 |2014年第1期|71-83|共13页
作者
MI Magyar; AR Ladson; C Diaper; VG Mitchell;
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作者单位

Monash University, Department of Civil Engineering, Melbourne, Victoria, Australia;

Monash University, Department of Civil Engineering, Melbourne, Victoria, Australia;

Cranfield University, UK;

Bureau of Meteorology, Docklands, Victoria, Australia;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Rainwater harvesting; sediment quality; heavy metals; lead flashing; lead contamination;

机译：雨水收集;沉积物质量重金属;铅闪烁;铅污染;

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机译：MI Magyar，AR Ladson，C Daiper和VG Mitchell讨论了“屋顶材料和铅闪光对雨水箱被金属污染的影响”
2. Environmental Lead and Nickel Contamination of Tank Rainwater in Esperance, Western Australia: An Evaluation of the Cleaning Program [J] . Jane S HEYWORTH, Narelle MULLAN Journal of Water Resource and Protection . 2009,第1期

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Influence of roofing materials and lead flashing on rainwater tank contamination by metals

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