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GB/T 25173-2010: Code of practice for computation on allowable permitted assimilative capacity of water bodies
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GB/T 25173-2010: Code of practice for computation on allowable permitted assimilative capacity of water bodies

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Code of practice for computation on allowable permitted assimilative capacity of water bodies ICS 13.020 Z05 National Standards of People's Republic of China Water Environment Capacity Calculating procedures Issued on. 2010-09-26 2011-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Basic Program 2 5 in rivers mathematical model calculation 3 6 Lake (library) assimilative capacity of the mathematical model calculation 4 7 assimilative capacity of water pollution load calculation method 6 8 rational analysis and inspection 7 Appendix A (informative) Mathematical Models and Parameters 9

Foreword

Appendix A of this standard is an informative annex. This standard is proposed and administered by the People's Republic of China Ministry of Water Resources. This standard is mainly drafted by. Yangtze River Basin Water Resources Protection Bureau. The main drafters of this standard. Hong Yiping, Xiao-Bing, Yuan Hong Ren, stone autumn pool, Muhong Qiang, Liu Ping, Aoliang Gui, Wu Guoping. Water Environment Capacity Calculating procedures

1 Scope

This standard specifies the technical requirements of the Water Environment Capacity Calculating basic procedures, methods and the results of analysis and test of reasonableness. Assimilative capacity gauge This standard applies to rivers, lakes, reservoirs, canals, irrigation channels and other water features have been delineated area of \u200b\u200borganic pollutants in surface waters Operators. Not delineated water function area waters may refer to.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. SL219-1998 water environment monitoring standards SL278-2002 Water Resources and Hydropower Engineering hydrology calculation specifications SL395-2007 surface water quality evaluation of technical regulations

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Water Ribbon waterfunctionzone To meet the rational development of water resources, utilization, conservation and protection needs, according to the status of natural conditions and the development and utilization of water resources, in accordance with the flow Domain integrated planning, water resources protection plan requirements of economic and social development, according to their dominant function delineated and perform the appropriate environmental water quality standards Waters. Note. use a water functional areas, divisions twenty-two hierarchical classification system. A water feature is divided into protected areas, reserves, development and utilization of the buffer zone and four. Water is divided into two functional areas of drinking water source areas, industrial water, agricultural water district, fishery water areas, scenery and recreation water, transition zone in the exploitation area And sewage control area seven categories. 3.2 Water function area water quality objectives waterqualitytargetofwaterfunctionzone According to the status function area water quality, sewage situation, the characteristics of different functional areas of water, water resources allocation of water function area of \u200b\u200btechnical requirements and Economic conditions, water quality protection goals under current conditions and water planning conditions of the proposed functional areas. 3.3 Waters assimilative capacity permissiblepolutionbearingcapacityofwaterbodies In the design of hydrological conditions to meet when calculating the maximum number of water quality objectives and requirements of the waters, the waters can accommodate some pollutants. 3.4 Quality target concentration value targetconcentrationofwaterquality And water function area water quality objectives corresponding to a pollutant concentration limits, expressed by Cs. 3.5 The initial concentration initialconcentration Ribbon water or calculated concentration of a contaminant reach the starting cross-section, represented by C0. ...