(a)

Sampling points directed at the protection of human health shall be sited in such a way as to provide reliable data on all of the following: concentration levels at air pollution hotspots within the zones; concentration levels in other areas within the zones which are representative of the exposure of the general population, both in urban background locations and rural background locations; for arsenic, cadmium, lead, mercury, nickel and polycyclic aromatic hydrocarbons, the deposition rates representing the indirect exposure of the population through the food chain;

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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.