There are have very high automobile population in Taiwan, and vehicle#s emission become major pollutant source in urban, therefore, Enhance audit used vehicle and conduct inspection annually are most important works to do by government recently. This project is for the purpose of keeping a well inspection quality to vehicle emission inspection station. Making sure all test results are under good accuracy and precision, and improve government#s public reliability. 1900 vehicle emission analyzers will be audited and calibrated during project period. The calibration items include flow check, leak test, ZERO/SPAN calibration, repeatability test and linear test. Besides of these jobs, comparing standard gas concentration used in stations and increasing the disqualification stations re-audit frequency are also very important jobs in this project. If audit deviation is over criteria, there will be re-audit in a week. After audit completed, there are some conclusions and suggestions to government for management these testing stations.

AUDIT,EMISSION ANALYZER,VEHICLE EMISSION TESTING STATION