Consideration and standardization of any matters within the scope of ISO/TC 146 which are not exclusively within the scope of SC 1, SC 2, SC 3, SC 5 or SC 6 and of common interest. The basic responsibilities include terminology, planning of air quality measurements, definition of performance characteristics of air quality measuring methods, statistical analysis of air quality data, determination measurement uncertainty of air quality data, assessment of performance of air quality measuring methods, definition of formats for the international exchange of air quality data, quality assurance, conflicts of interest between other subcommittees, maintenance of existing standards.