preamble_94
Council Directive 82/884/EEC of 3 December 1982 on a limit value for lead in the air · European Union
The aspiration flow rate of sampling must remain constant to within ± 5 % of the nominal value throughout a sampling period.
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Source: EUR-Lex (Cellar) · retrieved 2026-11-07 · Text as adopted (Official Journal); later amendments are not incorporated in this text.