This was the report of "Authorized Environmental Analysis Organization Management Services Project of year 2012" of Environment Analysis Laboratory, Environmental Protection Administration, Executive Yuan. The accreditation works of quality system and testing techniques of applied items for both new-setup and in-operation laboratories had arranged based on the "Management Regulations of Environmental Analysis Organization" and the "Management Regulations of the Motor Vehicle Emissions and Noise testing organizations". These auditing works included laboratory quality management system auditing, testing techniques auditing (in-lab instrumentation and in-field sampling), and performancy tests (in-lab and in-field). After these auditing works had been done, the Technical Assessment Committee evaluated the records of these auditing works and made the final decision of approval of the application of new-setup or/and in-operation laboratories. One auditing methodology conference for the auditing specialist and the members of Technical Assessment Committee and a conference for the authorized environmental analysis organization were held in this year. There were 210 cases of documentation evaluation, 74 cases of quality system auditing, 105 cases of performance testing (in-lab and in-field), 410 cases of testing techniques auditing(in-lab instrumentation and in-field sampling) and 381 cases of report signatory qualification had been evaluated within 13 Technical Assessment Committee meetings. In order to further improved the efficiency of the accreditation working processes, a modified management system had been announced. To finish all the application processes takes 110 to 180 days in the old management system, and only takes less than 60 days in the new management system. There were 4,060 performancy test samples sent to 103 laboratories this year, the satisfactory rate of performancy test was 96.4%.There were no significant differences in the statistic information of auditing reports and performancy test results after the new policy of management system.