# The Air Quality Limit Values Regulations 2001, Part IV: Reference method for the sampling and measurement of PM10


The reference method for the sampling and measurement of PM10 will be that described in EN 12341 ‘ Air Quality—Field Test Procedure to Demonstrate Reference Equivalence of Sampling Methods for the PM10 fraction of particulate matter ’. The measurement principle is based on the collection on a filter of the PM10 fraction of ambient particulate matter and the gravimetric mass determination.

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Source: https://www.legislation.gov.uk/uksi/2001/2315/schedule/6/part/IV (the official version)
Page: https://openlegislation.uk/air-quality-limit-values-regulations-2001/schedule-6/part-IV
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.