This publication is the second of three VGB research projects on verifying flue gas flow rate calculation, in this case by means of stack testing and data evaluation, to EN-ISO 16911:2013.

It provides further guidance and practical evidence on the choice of SRM and the evaluation of test results. Proposals for the ongoing quality assurance of flue gas calculation approaches are also presented, and in this case field trials at both CCGT and coal plants were carried out.

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