1 Application Scope
This standard specifies contents such as the provisions, implementation and supervision of classification of ambient air functional zones, standard grading, pollutant items, average time and concentration limit, monitoring method and the effectiveness of data statistics.
This standard is applicable to the assessment and control of ambient air quality.
2 Normative References
The following documents and the articles thereof are referenced in this standard. For undated normative documents, the latest edition of the normative document referred to applies.
1 Application Scope
2 Normative References
3 Terms and Definitions
4 Classification and Quality Requirement of Ambient Air Functional Zone
5 Monitoring
6 Provisions on Effectiveness of Data Statistics
7 Implementation and Supervision
Appendix A (Informative) Reference Limits for the Concentration of Cadmium, Mercury, Arsenium, Hexavalent Chrome and Fluoride in the Ambient Air
