Procedure 3 QA/QC Requirements for Continuous Opacity Monitoring Systems (COMS)

NCASI held this webcast to review the QA/QC requirements of Procedure 3 for Continuous Opacity Monitoring Systems. The presentation included a summary and explanation of the daily, quarterly, and annual requirements. In addition, representatives from two COMS manufacturers participated, lending their expertise and providing guidance and recommendations on Procedure 3 with a focus on the annual zero alignment requirements.