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Normal background concentrations of contaminants in the soils of England : results of the data exploration for Cd, Cu, Hg and Ni

机译:英格兰土壤中正常背景污染物浓度:Cd,Cu,Hg和Ni的数据勘探结果

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摘要

The British Geological Survey (BGS) has been commissioned by the Department for Environment, Food and Rural Affairs (Defra) to give guidance on what are normal levels of contaminants in English soils in support of the Part 2A Contaminated Land Statutory Guidance. This has initially been done by studying the distribution of four contaminants – arsenic (As), lead (Pb), benzo[a]pyrene (BaP) and asbestos – in topsoils from England. The work was extended further to include cadmium (Cd), copper (Cu), nickel (Ni) and mercury (Hg) enabling methodologies developed by the project to be tested on a larger range of contaminants.udThis report serves to record the information collected on the additional four contaminants (Cd, Cu, Ni and Hg) that was undertaken in order to define their Normal Background Concentrations (NBCs). Other earlier Project reports should be consulted for the full background to methods used to analyse these data, in particular Work package 1&2, and Work package 3 reports. The Technical Guidance Sheets, and Technical Guidance Sheet Supplementary Information for each of these additional contaminants provide the final synthesis of this exploratory data analysis, and should be considered as the definitive resource for the Normal Background Concentrations.
机译:环境,食品和农村事务部(Defra)委托英国地质调查局(BGS)提供有关英国土壤中污染物的正常含量的指导,以支持第2A部分受污染土地法规指南。最初,这是通过研究四种污染物在英国表层土壤中的分布来完成的,这些污染物包括砷(As),铅(Pb),苯并[a] py(BaP)和石棉。该工作进一步扩展到包括镉(Cd),铜(Cu),镍(Ni)和汞(Hg),使该项目开发的方法论能够在更大范围的污染物上进行测试。 ud本报告旨在记录信息。收集其他四种污染物(镉,铜,镍和汞)以定义其正常背景浓度(NBC)。应查阅其他早期项目报告,以获取用于分析这些数据的方法的完整背景,尤其是工作包1&2和工作包3报告。有关每种其他污染物的技术指导表和技术指导表补充信息提供了此探索性数据分析的最终综合信息,应被视为正常背景浓度的权威资源。

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