T/CECRPA 005-2023 Active

Scope: This standard specifies the basic principles and working procedures for formulating ozone air quality benchmark documents, literature screening and quality evaluation, analysis of the characteristics and laws of ozone pollution, identification of ozone hazards, derivation of ozone benchmark values, uncertainty analysis, and other requirements. This standard is applicable to guiding the preparation of benchmark documents for ozone in ambient air. Main technical content: This study reviewed foreign ozone air quality benchmark documents, analyzed the framework of foreign benchmark documents, and investigated the methods for preparing ozone air quality benchmarks, which mainly include data collection methods and requirements, screening methods, evaluation methods, parameter determination methods, derivation and review methods of benchmark values, etc. It establishes the technical methods for preparing ozone air quality benchmark documents in China.