BS EN 12341:2014

Ambient air. Standard gravimetric measurement method for the determination of the PM$d1$d0 or PM$d2$d,$d5 mass concentration of suspended particulate matter (British Standard)

For air quality across the European Union to be assessed on a consistent basis, Member States need to employ standard measurement techniques and procedures. The aim of this European Standard is to present a harmonized methodology for monitoring the 10 m and 2,5 m mass concentrations of suspended particulate matter (PM10, respectively PM2,5) in ambient air, following Directive 2008/50/EC on ambient air quality and cleaner air for Europe, which sets the parameters specific to the assessment of ambient concentration levels of particulate matter. EN 12341 contains - a description of a manual gravimetric standard measurement method for PM10 or PM2,.5 using sequential samplers or single-filter samplers; - a summary of performance requirements of the method; - requirements for suitability testing of facilities and equipment on initial application of the method; - requirements for ongoing quality assurance / quality control when applying the method in the field; - the assessment of measurement uncertainty of the results; - criteria and test methods for the evaluation of the suitability of filters for application using this method.