GB/T 18919-2002The reuse of urban recycling water--Classifiedstandard (English PDF)

Foreword

The serial standards, The Reuse of Urban Recycling Water, are drafted, in order to implement the policies of prevention and control of water pollution and development and utilization of water resources in China, improve the utilization efficiency of urban recycling water, improve the urban water conservation, utilize water resources rationally, fulfill the reuse of urban recycling water; lessen the pollution of recycling water to the environment and promote the sustainable development of urban construction and economic construction.

The serial standards, The Reuse of Urban Recycling Water, is currently to be divided into 5 items.

-- The Reuse of Urban Recycling Water - Classified Standard;

-- The Reuse of Urban Recycling Water - Water Quality Standard for Urban Miscellaneous Water Consumption;

-- The Reuse of Urban Recycling Water - Water Quality Standard for Scenic Environment Use;

-- The Reuse of Urban Recycling Water - Water Quality Standard for Recharge to Water Resources;

-- The Reuse of Urban Recycling Water - Water Quality Standard for Industrial Consumption. This Part is the first item. This Standard was drafted for the first time. Annex A of this Standard is normative.

1 Application Scope

This Standard specifies the classification principles, categories and scope of the reuse of urban recycling water.

This Standard applies to the planning of water resources utilization and the engineering design and management of the reuse of urban recycling water. This Standard provides a basis for the establishment of all kinds of water quality standards for the reuse of urban recycling water.

2 Normative References

The provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies.

GB/T 4754-2002, Industrial Classification for National Economic Activities

3 Terms and Definitions

For the purposes of this Standard, the following terms and definitions apply.