This standard specifies the quality classification, indices and limits, quality investigation and monitoring, quality evaluation of groundwater.
This standard is applicable to the quality investigation, monitoring, evaluation and management of groundwater.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 5749-2006 Standards for Drinking Water Quality
GB/T 27025-2008 General Requirements for the Competence of Testing and Calibration Laboratories
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
groundwater quality
general term for the physical, chemical, and biological properties of groundwater
3.2
regular indices
indices that reflect the basic conditions of groundwater quality, including sensory characteristics, general chemical indices, microbial indices, common toxicological indices and radioactive indices
3.3
non-regular indices
extension of regular indices of groundwater quanlity, which are determined according to regional and time differences or special circumstances, reflect the major quality problems in groundwater, including relatively rare inorganic and organic toxicology indices
3.4
human health risk
the probability that various components in groundwater will cause harm to human health
4 Classification and Indices of Groundwater Quality
4.1 Classification of groundwater quality
GB/T 14848-2017 The following standards are cited：
