This guideline stipulates the basic requirements for the formulation of standards for environmental monitoring analysis methods, the composition of the standards, and technical regulations. This guideline is applicable to the formulation of analytical method standards for environmental monitoring laboratories, but not applicable to the formulation of sampling method standards and online monitoring analysis method standards.
HJ/T 168-2004 history
2020HJ 168-2020 Technical guidelines for formulation of environmental monitoring analysis method standards
2010HJ 168-2010 Environmental monitoring-Technical guideline on drawing and revising analytical method standards