14.

Methods for the sampling and measurement of volatile organic compounds that are ozone precursor substances, methane, UFP, BC, size distribution of ultrafine particles, ammonia, particulate and gaseous divalent mercury, nitric acid, levoglucosan and oxidative potential of particulate matter In the absence of an EN standard method for sampling and measuring volatile organic compounds that are ozone precursor substances, methane, UFP, BC, size distribution of ultrafine particles, ammonia, particulate and gaseous divalent mercury, nitric acid, levoglucosan and oxidative potential of particulate matter, Member States may choose the sampling and measuring methods they use, in accordance with Annex V and taking into account the measurement objectives, including those set out in Section 3, Point A, and Section 4, Point A, of Annex VII, as applicable. Where international, EN or national standard reference measurement methods or CEN technical specifications are available, these may be used.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.