HJ 831-2022
Technical guide for deriving freshwater biological water quality benchmarks (English Version)

Standard No.

HJ 831-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Professional Standard - Environmental Protection

Latest

HJ 831-2022

Replace

HJ/T 831-2017

HJ 831-2022 history

• 2022 HJ 831-2022 Technical guide for deriving freshwater biological water quality benchmarks
• 2017 HJ 831-2017 Technical Guideline for Deriving Water Quality Criteria for the Protection of Freshwater Aquatic Organisms