The DL/T 1029-2022 standard specifies the basic requirements for laboratory mass management of water quality analytical instruments in power plants, and is applicable to the establishment and implementation of laboratory mass management systems and quality control. This standard refers to relevant standards such as GB/T 19022 (Requirements for measurement processes and measurement equipment for measurement management systems) and GB/T 27025 (General requirements for testing and calibrating laboratory capabilities) to ensure that laboratories achieve internationally recognized levels of calibrating, quality control and data accuracy for water quality analytical instruments. The standard also defines terms such as water quality analytical instruments, inter-laboratory comparison and calibrate to ensure conformity and traceability in the various analytical instrument use environments. In addition, the standard also emphasizes the establishment and maintenance of a laboratory mass management system to improve the Reliability and accuracy of water quality analysis data to support water quality management in power plants.