ASTM D6452-1999(2012)e1 标准详情
- 标准号:ASTM D6452-1999(2012)e1
- 中文标题:地下水质检测井清洁方法的标准指南
- 英文标题:Standard Guide for Purging Methods for Wells Used for Groundwater Quality Investigations
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1999
4. Significance and UseTop Bottom 4.1 Wells used in groundwater quality investigations or monitoring programs are generally purged prior to sampling (Note 1). Purging is done to minimize the bias associated with stagnant water in the well, which
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