ISO 5667-14:1998 pdf download – Water quality -Sampling一Part 14: Guidance on quality assurance of environmental water sampling and handling

ISO 5667-14:1998 pdf download – Water quality -Sampling一Part 14: Guidance on quality assurance of environmental water sampling and handling. 5 Sampling quality control techniques 5.1 General Sampling is defined in ISO 5667-2 as the process of removing a portion, intended...