HJ 915.3-2024Technical specifications for operation and maintenance of surface water quality automated monitoring station (Conventional five parameters, CODMn, NH3-N, TP, TN) (English PDF)

HJ 915.3-2024 is the English-translated version of 地表水水质自动监测站（常规五参数、 CODMn、NH3-N、TP、TN）运行维护技术规范.

HJ 915.3-2024 — This standard specifies the technical requirements for inspection and maintenance, quality control, abnormal situation handling and operation records of automatic surface water quality monitoring stations (hereinafter referred to as water stations).

This standard applies to the inspection, maintenance, quality assurance and quality control of water stations.

It is applicable to automatic water quality monitoring instruments such as the conventional five parameters (water temperature, pH, dissolved oxygen, conductivity, turbidity), permanganate index (CODMn), ammonia nitrogen (NH3?N), total phosphorus (TP), and total nitrogen (TN).

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

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