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Reference method for the sampling and measurement of arsenic, cadmium, lead and nickel in ambient air The reference method for the sampling of arsenic, cadmium, lead and nickel in ambient air is that described in EN 12341:2023 ‘Ambient Air – Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter’. The reference method for the measurement of arsenic, cadmium, lead and nickel in ambient air is that described in EN 14902:2005 ‘Ambient air quality – Standard method for measurement of Pb, Cd, As and Ni in the PM10 fraction of suspended particulate matter’.

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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.