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anx_V__para__14

For the other cases, measurements are to be evenly distributed over the calendar year (or over the April to September period for indicative measurements of O3). In order to comply with those requirements and to ensure that any potential losses of data do not skew results, the minimum data coverage requirements shall be met for specific periods (quarter, month, weekday) of the whole year depending on the pollutant and measurement method or measurement frequency.

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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.