This auditing was designed for data quality of air pollutant analysis from April 2022 to December 2022. The contents of project include integrating the procurement and item ordering of the environmental sample opening contract, auditing laboratory analysis methods and reports, performance test of blind samples and study and analyze the data, application and supporting measures of measurement uncertainty and detection method error value. Total of 147 opening contracts were integrated. 50 laboratory or sampling site analysis were audited individually. 134 performance tests of analysis method of NIEA A411, A413, A416 and A417 were also conducted by giving blind samples. Conference of members of Technical Assessment Committee was also accommodated to fulfill the goals of this project. Procedures of supervising project plans and suggestions for the future quality management are given for policy management of administrative authority.

Quality management system evaluation, Test sample performance, Measurement uncertainty