The Quality Assurance (QA) requirements for Continuous Emissions Monitoring Systems (CEMS), also known as Automated Measuring Systems (AMS), are specified in the CEN standard EN 14181 which defines three Quality Assurance Levels - QAL1 (certification), QAL2 (calibration) and QAL3 (control). Click to read more.
The recent introduction of EN 17255 has provided a much-needed guarantee of uniformity for the performance of continuous emissions monitoring systems. Click to read more.