T/CSES 34-2021 Active Group standards

T/CSES 34-2021 Guidelines for Establishing Emission Standards Limitations Based on Water Quality Objectives in River Basins (Trial)

Publish Date: 2021-09-30 Implement Date: 2021-09-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSES 34-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Environmental protection

ICS Name: Pollution, pollution control, and protection

Publish Date: 2021-09-30

Implement Date: 2021-09-30

Scope

Scope: This document is applicable to the formulation of emission standards for chemical oxygen demand (COD), biochemical oxygen demand (BOD), ammonia nitrogen, total phosphorus, and total nitrogen, etc. in various river basins based on water quality objectives. Other characteristic pollutants can be referenced for implementation or use. The emission standard limits set in this document for outlet discharge into rivers do not distinguish between industries. Main technical content: In view of the important issues such as the lack of standardized procedures for the formulation of emission standards in river basins in China, the high technical barriers and high costs in setting standard limits, and based on the characteristics of river basin management in China, this document provides normative content around key technical aspects such as the identification of needs for the formulation of emission standards in river basins, the determination of methods for setting emission standard limits in river basins, and the determination of discharge limits for outlets into rivers and corresponding point sources, etc. It provides normative, scientific, and cost-effective guidance for the formulation of emission standards in river basins or water functional zones with water quality improvement needs, and promotes pollution reduction and improvement of water quality through standards. Specific technical content includes: (1) Scope; (2) Normative reference documents; (3) Terms and definitions; (4) General principles and requirements; (5) Investigation of the status of catchment units; (6) Determination of emission limits; (7) Informative appendices.