CEMS Performance Audit (QA/QC)

Our company is a registered CEMS Tester with DOE which can conduct CEMS Performance Audits including Functional Test, QAL2-CVT, QAL3-OGPM, AST and submit report to DOE.

• Quality Assurance Level 2-Calibration Variability Test, QAL2-CVT is the calibration and verification against the appropriate standard reference methods (SRM) by a series of parallel measurement for the quality assurance of the CEMS conducted every three years.
• Quality Assurance Level 3-Ongoing Performance Monitoring, QAL3-OGPM is a series of regular zero and span checks which the results are input to control charts for monitoring the zero and span drifts. While CEMS ensure that air emission pollutants are within set limits and standards, it is the QAL2-CVT and QAL3-OGPM that ensures CEMS are producing accurate yet reliable readings conducted at manufacturer’s maintenance interval.
• Annual Surveillance Test (AST) is an annual check of the CEMS to confirm that the calibration
  function is still valid and it still meets the set uncertainty requirements.