Short description
This document specifies a continuous measurement method for the determination of the concentration of ozone in ambient air based on the ultraviolet photometric measuring principle. This document describes the performance characteristics and sets the relevant minimum criteria required to select an appropriate ultraviolet photemtric analyser by means of type approval tests. It also includes the evaluation of the suitabilty of an analyser for use in a specific fixed site so as to meet the Directives data quality requirements and requirements during sampling, calibration and quality assurance.