ANNEX VI U.K. Reference methods for assessment of concentrations of sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter (PM₁₀ and PM_2,5), lead, benzene, carbon monoxide, and ozone

B. Demonstration of equivalence U.K.

2. The Commission may require the Member States to prepare and submit a report on the demonstration of equivalence in accordance with paragraph 1. U.K.