(b)

sampling points shall in general be sited in such a way as to avoid measuring micro-environments in the immediate vicinity of the sampling point, which means that a sampling point shall, where feasible, be sited in such a way that the air sampled is representative of air quality for a street segment no less than 100 m in length at locations measuring the contribution of road traffic, at least 25 m × 25 m at locations measuring the contribution from domestic heating, and at least 250 m × 250 m at locations measuring the contribution from industrial sites or other sources such as ports or airports;

← (iii) · All articles · (c) →

Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.