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anx_IV__table__10

| 9. | At least every 5 years the selection criteria, network design and monitoring site locations, defined by the competent authorities in view of the requirements of this Annex, shall be reviewed to ensure they remain valid and optimal overtime. The review shall be supported at least by either modelling applications or indicative measurements. Where such a review finds that the network design and monitoring site locations are no longer valid, the competent authority shall update them as soon as possible.

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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.