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Sampling Approaches 英译汉
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3.11.1 Sampling Approaches Different sampling approaches may be utilized to demonstrate closure of HWMUs. According to OSWER Directive 9360.4-10, dated November 1991, Removal Program Representative Sampling Guidance, Volume 1: Soil, Interim Final , representative sampling approaches include: judgmental sampling, random sampling, stratified random sampling, systematic grid sampling, bias sampling, search sampling, and transect sampling. Each sampling approach has different assumptions and is appropriate for different situations depending on how much is known about possible distribution of contamination in the HWMU and in the area potentially impacted by the HWMU. It is up to the closure plan developer to establish and propose a sampling plan scheme which is the most appropriate for the regulated unit and to delineate the extent of potential contamination emanating from the unit. However, the sampling plan scheme must be sufficient in its scope, design, and detail to obtain the approval of the DEQ. Random sampling is the most common sampling approach used to demonstrate closure of HWMUs. |
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gx7568573(金币+35, 翻译EPI+1): 好 2011-11-20 22:42:41
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3.11.1抽样方法： 不同的抽样方法可被用于展示危险废物管理单元（HWMU）的关闭。 根据OSWER（固体废物与应急响应办公室 Office Of Solid Waste And Emergency Response？） 指令 9360.4-10，1991年11月，去除计划代表性取样指导，卷1：土壤，临时最终版，代表性取样方法包括：判断抽样，随机抽样，分层随机抽样，系统网格采样，偏倚采样，搜索抽样，截面抽样。 每种方法有不同假设条件，并且适用于不同情况，取决于对HWMU中污染物分布情况以及HWMU可能影响的区域的了解有多少。应由关闭计划制定者负责提出并建立抽样计划方案，这个计划方案应该是最适合被管制单元和最适用于描绘源于这个单元的潜在污染程度。但是，抽样计划方案在范围，设计，细节上足够充分以获取DEQ批准。 随机抽样是最常用于表明HWMU关闭的抽样方法。 |
2楼2011-11-20 17:49:37
