(9) In order to ensure that emissions of ultra fine particulate matter (PM) are controlled, the Commission should also give consideration to the adoption of a number based approach to emissions of PM, in addition to the mass based approach which is currently used.
(9) Lai nodrošinātu, ka tiek kontrolētas ļoti smalku cieto daļiņu (PM) emisijas, Komisijai arī jāapsver tas, ka līdzās noteiktajai daļiņu masai jānosaka daļiņu skaits.