Example Quality Assurance / Quality Control Plan

photomultiplier tube detects this light produced by the chemical reaction of O3 with NO2 and an output signal is sent to the data system. 3.2.3.2 Opacity. Describe the opacity monitor , for example: The COMS monitoring system consists of an opacity monitor (transceiver and retroreflector), control unit and a DAHS collection system. ................
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